content
string
quality_label
int64
meta
string
all-MiniLM-L6-v2_embedding
list
doc_id
int64
unique_id
string
Dr. Rhett Herman-homework RU Links Radford University Department of Physics RU Planetarium RUSMART pages (weather) Spring 2014 Classes & Info PHYS 308 PHYS 309 PHYS 450 My daily schedule My C.V. Summer jobs/internships NSF REU Program (list of REU sites) Other links The Nucleus (resources for physics/astronomy undergra...
4
[ -0.01611328125, 0.030517578125, 0.0205078125, -0.008544921875, 0.06982421875, -0.0240478515625, 0.0478515625, 0.007232666015625, -0.0157470703125, 0.0106201171875, 0.033447265625, -0.0203857421875, -0.0294189453125, 0.0228271484375, 0.0693359375, -0.00933837890625, -0.115234375, -0...
27,900
27900
valuation ring, discrete valuation November 18th 2008, 07:47 PM #1 Junior Member Joined Nov 2008 Posts 25 valuation ring, discrete valuation Background: Let $K$ be a field. A discrete valuation on $K$ is a function $u$ on $K$ is a function $u$$: K^* \rightarrow \mathbb{Z}$ such that (i) $u(ab)=u(a)+u...
4
[ 0.0252685546875, 0.1318359375, -0.07470703125, -0.0732421875, -0.06494140625, 0.0230712890625, 0.142578125, -0.059326171875, -0.03369140625, -0.04296875, -0.052001953125, -0.0732421875, 0.0478515625, -0.01177978515625, -0.007171630859375, 0.05908203125, 0.056884765625, -0.021240234...
27,901
27901
A ring becomes a division ring? December 17th 2012, 10:36 PM #1 Junior Member Joined Nov 2012 From Taiwan Posts 41 A ring becomes a division ring? I got one problem from the textbook: Prove that a finite ring with more than one element and no zero divisors is a division ring. It's obvious th...
5
[ -0.0712890625, 0.03173828125, -0.05322265625, 0.06884765625, -0.0006866455078125, -0.1259765625, 0.05810546875, -0.012451171875, 0.06298828125, -0.06982421875, -0.0654296875, -0.0208740234375, 0.11083984375, 0.040771484375, -0.006561279296875, -0.01495361328125, -0.032958984375, 0....
27,902
27902
Arithmetic Sequences June 14th 2008, 04:41 PM damaster Arithmetic Sequences This is a question I really don't get. I've tried all the things i can think of, and the only clue i have is: Arithmetic Sequences (this is a topic I'm horrible at). The problem is Find the sum of all positive integers not grea...
4
[ -0.07763671875, 0.018798828125, -0.031982421875, -0.11083984375, 0.01312255859375, 0.07666015625, 0.0108642578125, 0.01153564453125, -0.01251220703125, -0.044189453125, -0.0260009765625, 0.0252685546875, -0.01953125, -0.028564453125, -0.033935546875, -0.06689453125, 0.000139236450195...
27,903
27903
Turning a circle into a line • /r/math all 24 comments [–]Splanky222Applied Math0 points1 point2 points sorry, this has been archived and can no longer be voted on What about this way? We'll view the circle as an ellipse with equal length axes, and call it [; E_0 ;] Now squish the circle, so that the semi-minor axis...
4
[ -0.0225830078125, 0.04931640625, -0.12255859375, -0.030029296875, 0.038330078125, -0.08837890625, -0.0113525390625, 0.031494140625, -0.0201416015625, -0.054443359375, -0.003265380859375, -0.0130615234375, -0.014404296875, 0.00738525390625, 0.045166015625, 0.09619140625, -0.0522460937...
27,904
27904
prove part (b) of this integration inequality September 9th 2010, 12:42 AM #1 Senior Member Joined Feb 2008 Posts 410 prove part (b) of this integration inequality (a) Suppose that $u(t)$ is a continuous solution of $u(t)\leq f(t)+\int_{t_0}^t h(s)u(s)ds$, $t\geq t_0$, where $f,h$ are continuou...
4
[ -0.037353515625, 0.01373291015625, 0.0556640625, -0.050537109375, 0.0400390625, 0.06884765625, 0.0390625, 0.09765625, -0.091796875, 0.04638671875, -0.0400390625, 0.052490234375, 0.07177734375, -0.05517578125, -0.007598876953125, 0.034912109375, 0.06640625, -0.01953125, -0.0332031...
27,905
27905
The Transmission Disequilibrium/Heterogeneity Test with Parental-Genotype Reconstruction for Refined Genetic Mapping of Complex Diseases Journal of Probability and Statistics Volume 2012 (2012), Article ID 256574, 14 pages http://dx.doi.org/10.1155/2012/256574 Research Article The Transmission Disequilibrium/Heteroge...
4
[ -0.004425048828125, 0.01177978515625, 0.0169677734375, 0.01434326171875, -0.0205078125, -0.053466796875, -0.032958984375, 0.05224609375, -0.00946044921875, 0.00592041015625, 0.0751953125, -0.016845703125, 0.0147705078125, 0.07177734375, -0.10400390625, -0.04052734375, -0.0732421875, ...
27,906
27906
X^3 + 2x^3 - 5x - 6 = (x-2)(x+3)(x-k), find k. January 3rd 2012, 11:22 AM #1 Junior Member Joined Dec 2011 Posts 28 X^3 + 2x^3 - 5x - 6 = (x-2)(x+3)(x-k), find k. X^3 + 2x^3 - 5x - 6 = (x-2)(x+3)(x-k), i have to find the value of k, can you please help me with starting the question, i am completely...
4
[ -0.0302734375, 0.05859375, -0.0269775390625, 0.09326171875, -0.0152587890625, -0.0096435546875, 0.0751953125, -0.091796875, 0.029296875, 0.06005859375, 0.0206298828125, -0.07470703125, 0.051513671875, -0.018310546875, 0.062255859375, 0.060546875, -0.0830078125, 0.045166015625, -0...
27,907
27907
Poisson distribution. July 6th 2011, 01:00 PM SLJSWW Poisson distribution. An insurance company receives on average 3 claims per month from a certain town.Assuming that the number of claims follows a Poisson distribution, find the probability a) it receives less than 3 claims in a given month; b) it rece...
4
[ 0.02001953125, -0.004547119140625, -0.031494140625, -0.083984375, -0.034912109375, -0.06982421875, 0.06298828125, -0.06689453125, 0.06591796875, 0.059814453125, 0.115234375, -0.1298828125, 0.0274658203125, -0.055419921875, 0.138671875, 0.0140380859375, -0.000400543212890625, -0.062...
27,908
27908
Is there always a parallelogram cross-section of parallelepiped contained in the smallest box up vote 1 down vote favorite Let $M$ be a centered parallelepiped, the intersection of $M$ and any plane $P$ that passes through the origin is a parallelogram or hexagon. Each parallelogram or hexagon has a cubic box that is...
5
[ 0.06982421875, -0.0223388671875, -0.1171875, -0.052490234375, -0.025146484375, 0.0634765625, 0.014404296875, -0.024658203125, 0.01361083984375, 0.061767578125, -0.029052734375, -0.0015869140625, -0.03173828125, 0.00537109375, 0.00836181640625, -0.0240478515625, -0.036376953125, 0.0...
27,909
27909
The Generalization of Prime Modules Algebra Volume 2013 (2013), Article ID 581023, 4 pages http://dx.doi.org/10.1155/2013/581023 Research Article The Generalization of Prime Modules Department of Mathematical Sciences, Isfahan University of Technology, Isfahan 84156-83111, Iran Received 29 December 2012; Accepted 1...
4
[ -0.078125, 0.06787109375, -0.07080078125, 0.005828857421875, 0.01251220703125, 0.0029144287109375, 0.061279296875, 0.07080078125, -0.01531982421875, -0.062255859375, 0.0014495849609375, 0.049072265625, 0.0390625, -0.0159912109375, 0.0654296875, 0.049560546875, -0.01275634765625, 0....
27,910
27910
derivative logarithm November 24th 2012, 08:04 AM chg derivative logarithm Hi guys, I'm stuck :( can someone please help me understand this: f(x) = e^(2x) log(x^2) we are given the answer which should be : f(x)' = ( e^(2x) / ln(10) ) * (ln(x^2) + 1) this is where I'm stuck (I'm not even sure...
5
[ 0.0191650390625, -0.0022430419921875, 0.068359375, -0.047119140625, 0.07958984375, -0.00958251953125, 0.037841796875, 0.04833984375, 0.006683349609375, 0.06591796875, 0.1337890625, -0.03369140625, 0.021728515625, 0.01519775390625, 0.00104522705078125, 0.04541015625, -0.1025390625, ...
27,911
27911
Trigonometric Identities April 10th 2012, 06:06 PM #1 Junior Member Joined Mar 2012 From San Francisco Posts 32 Show that: sin^2(angle) = [tan^2(angle)]/[1+tan^2(angle)] fir all (angles) except odd multiples of pi/2. (This is coming straight from my homework) -Thank you! Re: Trig...
4
[ 0.00579833984375, 0.05126953125, 0.1259765625, 0.08837890625, 0.0303955078125, 0.051025390625, 0.04736328125, -0.02587890625, 0.016357421875, -0.0009613037109375, 0.0751953125, -0.036865234375, -0.064453125, 0.045166015625, -0.00738525390625, 0.003173828125, 0.07861328125, 0.045898...
27,912
27912
-Derivations in BCI-Algebras Discrete Dynamics in Nature and Society Volume 2012 (2012), Article ID 403209, 11 pages http://dx.doi.org/10.1155/2012/403209 Research Article On -Derivations in BCI-Algebras Department of Mathematics, University of Tabuk, P. O. Box 741, Tabuk 71491, Saudi Arabia Received 15 September 2...
5
[ -0.11376953125, 0.0791015625, 0.062255859375, 0.00128173828125, -0.064453125, 0.0306396484375, 0.087890625, -0.023681640625, 0.0791015625, -0.0284423828125, 0.01312255859375, -0.078125, 0.054443359375, -0.00372314453125, -0.03759765625, -0.04248046875, -0.06396484375, 0.06884765625...
27,913
27913
Nonlocal Problem for Fractional Evolution Equations of Mixed Type with the Measure of Noncompactness Abstract and Applied Analysis Volume 2013 (2013), Article ID 784816, 12 pages http://dx.doi.org/10.1155/2013/784816 Research Article Nonlocal Problem for Fractional Evolution Equations of Mixed Type with the Measure o...
5
[ -0.06494140625, -0.0189208984375, 0.0869140625, 0.0732421875, 0.037353515625, 0.07568359375, -0.01361083984375, -0.0537109375, 0.017333984375, -0.0272216796875, 0.0703125, -0.10986328125, -0.051025390625, 0.031982421875, -0.03955078125, 0.01019287109375, -0.0123291015625, -0.058837...
27,914
27914
Inverse function Find the inverse of the function: f(t) = (10^t - 10^(-t))/(10^t + 10 ^ (-t)) Thanks, Anshu $f(t)=y=\dfrac{10^t-\dfrac1{10^t}}{10^t+\dfrac1{10^t}} = \dfrac{10^{2t}-1}{10^{2t}+1}$ Solve the equation for t: $y= \dfrac{10^{2t}-1}{10^{2t}+1}$ Substitute $a = 10^{2t}$ $y= \dfrac{a-1}{a+1}~\ implies~a=\dfrac...
5
[ -0.08642578125, 0.039306640625, 0.0091552734375, -0.03466796875, 0.0390625, -0.0576171875, -0.00013828277587890625, 0.07568359375, -0.03173828125, 0.0732421875, 0.09228515625, -0.017822265625, 0.00390625, 0.1171875, -0.0130615234375, 0.038330078125, -0.06396484375, -0.0169677734375...
27,915
27915
Integrals: Total Distance November 29th 2007, 06:48 PM angel.white Integrals: Total Distance he velocity function v(t) (in meters per second) is given for a particle moving along a line. $v(t)=3t-7, 0\leq t\leq 3$ a) Find the displacement d1 traveled by the particle during the time interval given above...
5
[ -0.046142578125, -0.0152587890625, 0.0537109375, -0.047607421875, 0.00130462646484375, -0.004241943359375, -0.02001953125, 0.10009765625, -0.041015625, 0.01507568359375, -0.010986328125, -0.0390625, -0.0400390625, 0.07421875, -0.055908203125, -0.03955078125, 0.041259765625, 0.00379...
27,916
27916
integral question January 5th 2010, 05:27 PM #1 integral question Hi I am working on a integral involving u substiution and inverse trig forms. $<br /> Evaluate:~~\int\frac{2}{(2x+3)\sqrt{4x^2+12x+5}}dx =<br />$ $<br /> \int\frac{2}{(2x+3)\sqrt{\frac{x^2+3x+\frac{5}{4}} {\frac{1}{4}}}}dx<br /> =$ C...
5
[ 0.0277099609375, -0.058349609375, 0.07763671875, 0.00958251953125, 0.006500244140625, -0.00616455078125, -0.10595703125, -0.00057220458984375, 0.050048828125, -0.0191650390625, 0.0174560546875, 0.01458740234375, -0.0244140625, -0.0196533203125, -0.056884765625, -0.00072479248046875, ...
27,917
27917
Need algebra to simplify/solve an equation August 28th 2011, 03:14 PM #1 Newbie Joined Aug 2011 Posts 2 Need algebra to simplify/solve an equation the equation that i need to simplify first is ((x^2-1)^1/2 -(x^2-1)^-1/2 (2-x^2)) / (x^2-1)= 0 after i move the negative power, im not exactly sure what ...
4
[ -0.01129150390625, -0.058837890625, 0.02099609375, 0.0927734375, -0.01141357421875, -0.099609375, -0.1083984375, 0.030029296875, 0.03955078125, 0.000362396240234375, 0.0034332275390625, -0.04638671875, 0.028564453125, 0.0947265625, -0.040771484375, 0.0498046875, 0.051513671875, -0....
27,918
27918
[SI-LIST] : Placement of series termination Howard Johnson (howiej@sigcon.com) Sun, 11 Jan 1998 20:51:35 -0800 I recently became interested in finding a simple expression for the effectiveness of a series termination, as a function of placement. We all know that a series termination is=20 supposed to be located "near...
5
[ -0.0181884765625, 0.0194091796875, 0.03173828125, -0.0179443359375, -0.0576171875, -0.05029296875, -0.0986328125, 0.06005859375, 0.025146484375, -0.000522613525390625, -0.012451171875, 0.107421875, 0.046142578125, 0.00604248046875, -0.05712890625, -0.0167236328125, 0.033203125, -0....
27,919
27919
Help finding an ax+by=c equation's integer solution June 16th 2011, 12:11 PM #1 Hello All, I have just begun a course on number theory and proofs, and I need help with the process of solving Diophantine equations. I am not sure how to employ the Euclidean algorithm to solve the following equation or how t...
5
[ -0.0301513671875, 0.058837890625, -0.053955078125, -0.049560546875, 0.06201171875, -0.00262451171875, 0.07666015625, 0.00653076171875, -0.09375, 0.040283203125, 0.007476806640625, -0.00775146484375, 0.02490234375, 0.045166015625, -0.0228271484375, 0.007080078125, -0.06298828125, -0...
27,920
27920
Basic Integration question December 11th 2012, 09:22 AM #1 Senior Member Joined Nov 2012 From Hawaii Posts 260 Thanks 2 Basic Integration question Heres what i got so far.... I got = u^2(u^3 + 2)^1/2 = (u^5 + 2u^2)^1/2 (DID I DO IT RIGHT?) Re: Basic Integration question No - not...
5
[ -0.0147705078125, -0.0203857421875, 0.00799560546875, 0.107421875, 0.03759765625, -0.06591796875, -0.060546875, -0.04736328125, -0.003631591796875, -0.032470703125, 0.08203125, -0.019287109375, -0.07421875, 0.07177734375, -0.05029296875, 0.031494140625, -0.007080078125, 0.032714843...
27,921
27921
formula for future value of immediate annuity September 22nd 2011, 05:12 AM #1 Member Joined Sep 2011 From india Posts 106 Thanks 2 How to find rate of interest in the formula for future value of immediate annuity, if future value, number of periods and amount of annuity (i-e fixed amount payable ...
5
[ -0.017333984375, 0.0830078125, -0.012939453125, 0.01611328125, -0.0306396484375, 0.0028533935546875, 0.01080322265625, 0.08984375, 0.0244140625, 0.0537109375, 0.00083160400390625, -0.043701171875, -0.01025390625, 0.056884765625, 0.01043701171875, 0.044189453125, -0.09130859375, 0.0...
27,922
27922
Check if everything is OK in the way I have solved this problem? February 15th 2013, 07:37 AM Yoodle15 Check if everything is OK in the way I have solved this problem? Can you please just look this over like peer review? I think I am fairly confident about my general procedure, but I am scared that I have commit...
5
[ -0.043701171875, -0.0341796875, -0.041259765625, -0.0869140625, 0.030029296875, 0.052001953125, 0.03076171875, 0.013916015625, -0.041259765625, -0.0123291015625, 0.0291748046875, -0.001312255859375, -0.0133056640625, 0.01220703125, -0.000072479248046875, 0.11474609375, -0.06103515625...
27,923
27923
Spans and vectors September 9th 2010, 08:56 PM #1 Senior Member Joined Feb 2008 Posts 297 Spans and vectors If a question asks, Is the vector $\mathbf{b}=\begin{pmatrix}-2\\ -6\\ -4\end{pmatrix}\in \mbox{span}(\mathbf{v_1, v_2, v_3, v_4})$ where: $\mathbf{v_1}=\begin{pmatrix}1\\ 3\\ 0\end{...
4
[ -0.024169921875, -0.05517578125, -0.04296875, -0.05078125, 0.059814453125, -0.0037689208984375, -0.03271484375, -0.06787109375, -0.044921875, 0.00787353515625, -0.01409912109375, -0.00946044921875, -0.040283203125, -0.01141357421875, -0.040771484375, 0.021240234375, -0.0810546875, ...
27,924
27924
New Iterative Manner Involving Sunny Nonexpansive Retractions for Pseudocontractive Mappings Abstract and Applied Analysis Volume 2012 (2012), Article ID 207896, 9 pages http://dx.doi.org/10.1155/2012/207896 Research Article New Iterative Manner Involving Sunny Nonexpansive Retractions for Pseudocontractive Mappings ...
5
[ -0.040771484375, 0.02294921875, 0.0074462890625, 0.037841796875, -0.027099609375, -0.0157470703125, -0.0020599365234375, -0.0240478515625, -0.015380859375, 0.0419921875, 0.05419921875, 0.01904296875, 0.021240234375, -0.03955078125, -0.0274658203125, -0.033203125, -0.052001953125, 0...
27,925
27925
A Finite Element Variational Multiscale Method Based on Two Local Gauss Integrations for Stationary Conduction-Convection Problems Mathematical Problems in Engineering Volume 2012 (2012), Article ID 747391, 14 pages http://dx.doi.org/10.1155/2012/747391 Research Article A Finite Element Variational Multiscale Method ...
5
[ 0.006805419921875, 0.076171875, 0.11328125, 0.051025390625, 0.009033203125, -0.083984375, -0.010009765625, -0.0242919921875, -0.08642578125, -0.025634765625, -0.0048828125, -0.048828125, 0.0654296875, -0.031494140625, -0.012451171875, -0.0311279296875, -0.056884765625, -0.030517578...
27,926
27926
Partial Fraction Decomposition April 17th 2008, 10:06 AM #1 Newbie Joined Apr 2008 Posts 2 Partial Fraction Decomposition Hi, I'm stuck on a problem that requires partial fraction decomposition: 2 / [(x2 + 1)( x2 + 4)] I can't figure out what to do about the x-squared form in the denominat...
5
[ -0.0206298828125, 0.068359375, 0.054931640625, 0.07666015625, 0.0238037109375, 0.02001953125, -0.1240234375, -0.019775390625, 0.02783203125, -0.046630859375, -0.0341796875, -0.0986328125, -0.047607421875, 0.040283203125, -0.0123291015625, 0.06640625, 0.08740234375, 0.08203125, -0...
27,927
27927
intervals using 1st derivative test?? August 13th 2008, 08:50 PM #1 Newbie Joined Aug 2008 Posts 5 intervals using 1st derivative test?? Find the intervals of inc and dec & local max and min of h(x)=x^3/2-256x? using 1st derivative test.? thanks...this one is really getting me!!! sorry i gues...
4
[ 0.041259765625, -0.03271484375, -0.01806640625, 0.01513671875, -0.032470703125, -0.053466796875, -0.00750732421875, 0.058837890625, 0.003143310546875, -0.03369140625, 0.03857421875, -0.058349609375, 0.0986328125, -0.038818359375, 0.00830078125, -0.05224609375, -0.042724609375, -0.0...
27,928
27928
Design and Implementation of a Hardware Module for MIMO Decoding in a 4G Wireless Receiver VLSI Design Volume 2008 (2008), Article ID 312614, 8 pages http://dx.doi.org/10.1155/2008/312614 Research Article Design and Implementation of a Hardware Module for MIMO Decoding in a 4G Wireless Receiver ^1Departamento de Señ...
4
[ 0.00067138671875, 0.06884765625, -0.038330078125, -0.0296630859375, -0.0223388671875, -0.09716796875, -0.0218505859375, 0.007781982421875, -0.01190185546875, -0.0079345703125, 0.02783203125, 0.04638671875, 0.049072265625, -0.02197265625, -0.034912109375, 0.0306396484375, 0.0076293945...
27,929
27929
Prime/Maximal Ideals April 7th 2011, 03:54 PM #1 Junior Member Joined Nov 2010 Posts 37 Prime/Maximal Ideals I'm working on prime an maximal ideals. My partner and I are studying for our final exam and got conflicting answers. The question was to find all of the prime and maximal ideals of $\mathbb ...
5
[ -0.016845703125, -0.031494140625, 0.014404296875, -0.0576171875, 0.06982421875, -0.1650390625, 0.034912109375, 0.04443359375, -0.047119140625, 0.0296630859375, -0.11083984375, 0.06591796875, 0.10498046875, -0.030029296875, -0.038818359375, 0.0174560546875, -0.001617431640625, -0.00...
27,930
27930
Show that sys. of eq. has no integer solutions August 6th 2012, 01:41 AM #1 Junior Member Joined Jul 2012 From Earth Posts 56 Show that sys. of eq. has no integer solutions I'm to show that the system of equations below has no integer solutions. $\begin{cases} 11x - 5y = 7 \: & (\text {I})\\9x +...
4
[ -0.091796875, -0.002593994140625, 0.04296875, -0.01953125, 0.115234375, 0.02294921875, 0.12255859375, 0.0213623046875, -0.09326171875, -0.0224609375, 0.0004367828369140625, -0.0390625, 0.04248046875, 0.06884765625, 0.0079345703125, -0.04736328125, -0.0281982421875, -0.058837890625,...
27,931
27931
Algebra help June 15th 2009, 02:14 PM greghunter Algebra help Solve the equation: $\frac {7}{(x-4)(x+3)} - \frac {4}{(x+3)(x-1)} = \frac {-3}{2}$ The answers are 2,3 but I can't work out a method. Could really do with some help. Thanks June 15th 2009, 02:25 PM yeongil Quote: Multip...
4
[ -0.05712890625, -0.0016021728515625, 0.0208740234375, 0.0654296875, -0.05615234375, 0.01239013671875, -0.06982421875, 0.0213623046875, -0.0000782012939453125, -0.023193359375, 0.0439453125, -0.12451171875, 0.0537109375, -0.02099609375, -0.0291748046875, 0.056884765625, -0.03759765625...
27,932
27932
Evaluating Limits January 16th 2011, 06:04 AM #1 Junior Member Joined Jan 2008 Posts 50 Evaluating Limits Evaluate the following limits: a). I cant seem to figure out how to evaluate this and what the answer is, I thought it would be infinite or does not exist but thats not correct. Any help? ...
4
[ -0.048583984375, 0.068359375, -0.0927734375, 0.09619140625, 0.0216064453125, -0.0107421875, 0.00421142578125, -0.091796875, 0.0390625, -0.037353515625, 0.004791259765625, -0.08203125, 0.0303955078125, 0.09716796875, 0.0380859375, 0.0517578125, -0.033203125, -0.0164794921875, -0.0...
27,933
27933
Euler's Formula Euler's Formula, Proof 9: Spherical Angles The proof by sums of angles works more cleanly in terms of spherical triangulations, largely because in this formulation there is no distinguished "outside face" to cause complications in the proof. We need the following basic fact from spherical trigonome...
4
[ 0.01611328125, 0.09423828125, 0.055908203125, -0.044921875, 0.039794921875, 0.01513671875, 0.035400390625, 0.037841796875, 0.043701171875, 0.1220703125, -0.0751953125, -0.07373046875, -0.0322265625, 0.006256103515625, 0.06005859375, -0.1025390625, 0.0218505859375, 0.00732421875, ...
27,934
27934
Algebra question where the "x" appears twice June 5th 2011, 08:58 PM #1 Junior Member Joined Aug 2008 Posts 26 Algebra question where the "x" appears twice Not sure what this kind of question is called, but here it is: x10 + (1-x)11 = 10.8 find x. --- I know x = 0.2 but the only way I...
4
[ -0.0703125, 0.0869140625, 0.055908203125, -0.02099609375, 0.0181884765625, -0.0296630859375, 0.0615234375, 0.013916015625, -0.08056640625, 0.0174560546875, 0.064453125, -0.031982421875, 0.049072265625, 0.0703125, -0.01226806640625, -0.005859375, -0.04736328125, 0.0022430419921875, ...
27,935
27935
Traveling Wave Solutions of Some Coupled Nonlinear Evolution Equations ISRN Mathematical Physics Volume 2013 (2013), Article ID 685736, 8 pages http://dx.doi.org/10.1155/2013/685736 Research Article Traveling Wave Solutions of Some Coupled Nonlinear Evolution Equations ^1Department of Mathematics, Pabna University o...
5
[ -0.099609375, 0.0002899169921875, 0.033447265625, 0.07958984375, -0.031494140625, 0.03662109375, -0.0263671875, 0.0086669921875, -0.0634765625, -0.037841796875, 0.1083984375, -0.0296630859375, -0.0654296875, -0.041015625, -0.002838134765625, 0.05078125, -0.083984375, -0.07080078125...
27,936
27936
February 20 Fig 1. FFT transformed time series (EBAY) reconstructed with first three and twenty harmonics, respectively. I see quite a few traders interested in advanced signal processing techniques. It is often instructive to see why they may or may not be useful. The concept behind fourier analysis is that any p...
4
[ -0.056396484375, 0.02685546875, -0.0267333984375, 0.0108642578125, -0.01031494140625, 0.05078125, -0.07666015625, -0.00177764892578125, 0.07373046875, -0.0216064453125, -0.05419921875, 0.01300048828125, -0.0986328125, 0.01239013671875, 0.00714111328125, -0.1416015625, -0.040283203125...
27,937
27937
Hovey's unit axiom in monoidal model categories up vote 8 down vote favorite 2 Let $\mathcal{C}$ be a monoidal model category in the sense of Hovey's book. He assumes the following unit axiom not considered in other references (e.g. Schwede-Shipley): given a cofibrant replacement of the monoidal unit $q\colon QI\stack...
4
[ -0.030517578125, -0.0118408203125, -0.0108642578125, -0.030029296875, -0.07666015625, 0.049072265625, 0.01300048828125, -0.00830078125, 0.0240478515625, -0.03466796875, 0.00146484375, -0.0751953125, 0.0299072265625, 0.05322265625, 0.087890625, 0.031982421875, 0.07763671875, 0.03540...
27,938
27938
Determining slope and y-intercept. September 19th 2009, 11:00 AM #1 Member Joined Sep 2009 Posts 80 Determining slope and y-intercept. So, the equation that I'm given is this: 7y + 12x -2 = 0 and I'm told to determine the y-intercept and the slope of this line, but I'm not entirely sure how to ...
4
[ -0.060546875, -0.01519775390625, -0.020751953125, 0.049072265625, 0.01904296875, 0.0576171875, -0.017822265625, 0.0159912109375, -0.05517578125, 0.0625, 0.023681640625, -0.048095703125, -0.00162506103515625, 0.035400390625, 0.00110626220703125, 0.08251953125, -0.10205078125, 0.0061...
27,939
27939
Probabilistic dominated convergence theorem December 13th 2009, 04:48 AM #1 Senior Member Joined Jan 2009 Posts 404 Probabilistic dominated convergence theorem Dominated convergence theorem: Suppose Xn->X almost surely and |Xn| ≤ W for all n, where E(W)<∞. Then E(Xn)->E(X). 1) Suppose Xn->X in proba...
5
[ -0.0009765625, -0.0181884765625, 0.0625, 0.013671875, 0.04345703125, 0.04150390625, 0.08935546875, 0.06884765625, -0.0089111328125, -0.06103515625, 0.048095703125, 0.0810546875, 0.054443359375, -0.0167236328125, -0.091796875, 0.020751953125, 0.02734375, -0.1025390625, -0.05004882...
27,940
27940
Complex Variables April 25th 2009, 12:56 PM #1 Complex Variables Let $f : D \rightarrow \mathbb C$ be holomorphic, let $z_0 \in D$ and let $r > 0$ be such that the disk $|w-z_0| \leq r \in D$ then $f'(z) = \frac{i}{\pi r} \oint\limits_0^{\pi} Im\left(f(z+re^{i \theta})e^{-i\theta}\right)d\theta$. I starte...
5
[ -0.021484375, 0.0703125, 0.0120849609375, 0.029541015625, 0.043212890625, 0.00518798828125, 0.026123046875, 0.10546875, -0.049560546875, 0.076171875, 0.01397705078125, 0.0211181640625, 0.03564453125, 0.02294921875, -0.0732421875, -0.03271484375, -0.076171875, -0.06787109375, -0.0...
27,941
27941
Simplify boolean expression. February 27th 2011, 10:30 PM #1 Newbie Joined Feb 2011 Posts 9 i'm having difficulty solving these few problems 1. solve (BC ' + A ' D) ( A B ' + C D ') 2. Simplify the Boolean expression A C ' + B ' D + A ' C D + A B C D i got to the first part or what i t...
5
[ -0.029296875, 0.06787109375, 0.07470703125, -0.06884765625, -0.03857421875, 0.0380859375, 0.016845703125, -0.042724609375, -0.0703125, 0.10107421875, -0.002593994140625, -0.06689453125, 0.051025390625, -0.025634765625, -0.0101318359375, 0.051025390625, -0.07470703125, 0.08056640625...
27,942
27942
Stability and Bifurcation Analysis of a Delayed Leslie-Gower Predator-Prey System with Nonmonotonic Functional Response Abstract and Applied Analysis Volume 2013 (2013), Article ID 152459, 19 pages http://dx.doi.org/10.1155/2013/152459 Research Article Stability and Bifurcation Analysis of a Delayed Leslie-Gower Pred...
5
[ 0.01470947265625, -0.034912109375, 0.0050048828125, 0.017333984375, -0.0301513671875, 0.0390625, -0.001556396484375, -0.060791015625, 0.0751953125, 0.01470947265625, 0.10400390625, -0.00244140625, 0.00836181640625, 0.06494140625, -0.024169921875, 0.057861328125, 0.01904296875, -0.0...
27,943
27943
Matrix is invertible - proof. Tikhonov regularization and least squares problem. April 7th 2013, 10:15 PM #1 Newbie Joined Apr 2013 From Poland Posts 1 Matrix is invertible - proof. Tikhonov regularization and least squares problem. Hello, I have a big problem with proofing, that : $A^TA+\la...
4
[ -0.05908203125, 0.000102996826171875, 0.01025390625, 0.0005035400390625, 0.045166015625, -0.02099609375, 0.054931640625, -0.0478515625, 0.0030670166015625, 0.1064453125, 0.07666015625, 0.01031494140625, 0.038330078125, -0.004852294921875, -0.030517578125, 0.049560546875, 0.0517578125...
27,944
27944
[Finite Maths] Derivative Problems November 29th 2009, 12:45 AM #1 Newbie Joined Nov 2009 Posts 6 [Finite Maths] Derivative Problems Hey guys. I'm a newbie here and if this thread is in the wrong place please forgive me. I didn't know where to post derivative questions, so I figured this place would be t...
5
[ -0.059326171875, -0.01129150390625, 0.08349609375, -0.03564453125, -0.0098876953125, -0.0478515625, 0.0308837890625, -0.049072265625, -0.01513671875, 0.068359375, 0.08203125, -0.09228515625, 0.0245361328125, -0.0380859375, 0.0216064453125, 0.00311279296875, -0.053466796875, 0.00793...
27,945
27945
Robust Optimal Sliding-Mode Tracking Control for a Class of Uncertain Nonlinear MIMO Systems Journal of Applied Mathematics Volume 2013 (2013), Article ID 863168, 9 pages http://dx.doi.org/10.1155/2013/863168 Research Article Robust Optimal Sliding-Mode Tracking Control for a Class of Uncertain Nonlinear MIMO Systems...
4
[ -0.0252685546875, -0.01312255859375, -0.052001953125, 0.041259765625, 0.003387451171875, -0.0030364990234375, 0.06982421875, 0.058837890625, 0.00762939453125, 0.022705078125, 0.10693359375, 0.06787109375, 0.09814453125, -0.0167236328125, -0.0986328125, 0.1328125, 0.009521484375, 0....
27,946
27946
math homework that i just can't solve. May 3rd 2010, 07:28 PM #1 Newbie Joined May 2010 Posts 2 math homework that i just can't solve. Yes so i have some math assighments i need to solve and i am almost done (yes it is for a grade) but i just have problems with it. I need answers for these 2 problems: ...
5
[ 0.0380859375, 0.03759765625, -0.0299072265625, -0.1064453125, -0.0250244140625, 0.0517578125, -0.05078125, 0.051513671875, -0.08447265625, 0.09326171875, -0.012451171875, -0.0238037109375, 0.0712890625, 0.0242919921875, -0.0283203125, 0.1435546875, -0.0732421875, -0.048095703125, ...
27,947
27947
Pullback Attractors for Nonautonomous 2D-Navier-Stokes Models with Variable Delays Abstract and Applied Analysis Volume 2013 (2013), Article ID 425031, 10 pages http://dx.doi.org/10.1155/2013/425031 Research Article Pullback Attractors for Nonautonomous 2D-Navier-Stokes Models with Variable Delays School of Mathemat...
4
[ -0.09033203125, -0.10205078125, 0.03076171875, 0.022216796875, 0.045166015625, 0.13671875, -0.0206298828125, -0.060546875, 0.08349609375, -0.038330078125, 0.05810546875, -0.0238037109375, 0.024169921875, -0.0150146484375, -0.030029296875, 0.0137939453125, -0.057861328125, -0.049072...
27,948
27948
Let Continuous Outcome Variables Remain Continuous Computational and Mathematical Methods in Medicine Volume 2012 (2012), Article ID 639124, 13 pages http://dx.doi.org/10.1155/2012/639124 Research Article Let Continuous Outcome Variables Remain Continuous ^1Department of Statistics and Computer, University of Social...
4
[ 0.048583984375, 0.0101318359375, 0.0023651123046875, 0.0888671875, -0.039306640625, 0.05126953125, -0.03271484375, 0.02978515625, 0.064453125, -0.0223388671875, -0.00885009765625, 0.07958984375, -0.0028533935546875, 0.126953125, -0.0272216796875, -0.00537109375, 0.015625, -0.062255...
27,949
27949
Summation of complex numbers November 1st 2009, 07:37 PM #1 Summation of complex numbers Given that $w_n=3^{-n}cos2n\theta$ for $n=1,2,3$... use De Moivre's Theorem to show that $1+w_1+w_2+w_3+...+w_{N-1}=\frac{9-3cos2\theta+3^{-N+1}cos2(N-1)\theta-3^{N+2}cos2N\theta}{10-6cos2\theta}$ I am really hopele...
4
[ -0.1513671875, -0.038330078125, -0.05615234375, 0.05126953125, 0.03662109375, 0.007598876953125, -0.004119873046875, 0.0791015625, 0.045654296875, -0.0196533203125, 0.0101318359375, -0.052734375, -0.0133056640625, -0.03662109375, -0.0986328125, -0.039306640625, -0.032958984375, -0....
27,950
27950
simple question September 16th 2013, 11:06 AM Matt512 simple question The scale of a map is 1:25 000 The distance between two villages is 10cm on the map. Find the actual distance, in kilometres , between the villages. September 16th 2013, 05:17 PM chiro Re: simple question Hey Matt512. Hint...
4
[ 0.0030059814453125, 0.01336669921875, -0.052001953125, -0.0162353515625, -0.0162353515625, -0.068359375, -0.1044921875, -0.0125732421875, -0.042724609375, -0.01904296875, 0.125, -0.1318359375, 0.0213623046875, 0.04736328125, -0.057861328125, -0.00164031982421875, 0.017333984375, 0....
27,951
27951
Help with radians, arcs and areas please? January 31st 2013, 12:48 PM #1 Newbie Joined Jan 2013 From uk Posts 15 Help with radians, arcs and areas please? A badge is made of a circle centre O, with radius 5cm and a chord AB of length 6cm creating a blue minor segment at the bottom. Give all your answ...
4
[ 0.0031585693359375, 0.035400390625, -0.0189208984375, 0.017578125, 0.02880859375, -0.0576171875, 0.021484375, 0.035888671875, 0.001922607421875, -0.00148773193359375, 0.0341796875, -0.038818359375, 0.0137939453125, 0.03662109375, 0.005767822265625, 0.07470703125, -0.0419921875, -0....
27,952
27952
Nid help please August 26th 2006, 05:32 PM ^_^Engineer_Adam^_^ Nid help please Prove the identities: 1.) cot (A + B) = (cotAcotB - 1) / (cotB + cotA) 2.) cot (A - B) = (cotAcotB + 1) / (cotB - cotA) 3.) sec (A + B) = (secAsecB) / (1 - tanAtanB) 4.) csc (A + B) = (cscAcscB) / (cotB + cotA) August...
4
[ -0.11328125, 0.08642578125, 0.0162353515625, 0.008544921875, 0.039306640625, 0.0673828125, 0.04296875, -0.04248046875, 0.04833984375, -0.000797271728515625, 0.0118408203125, -0.11376953125, -0.029052734375, 0.026123046875, 0.036865234375, 0.01123046875, -0.06103515625, 0.0634765625...
27,953
27953
Positive semidefinite matrices May 4th 2010, 04:40 PM math8 Positive semidefinite matrices Let P and Q be Hermitian positive definite matrices. We prove that for all $x \in \textbf{C}^{n}$ , $x^{*}Px \leq x^{*}Qx$ if and only if $x^{*}Q^{-1}x \leq x^{*}P^{-1}x$. I suppose we need to show that $(Q-P)$ is...
4
[ -0.016845703125, -0.004547119140625, 0.015869140625, 0.00799560546875, -0.10205078125, 0.024658203125, -0.03759765625, -0.00799560546875, 0.01708984375, 0.03564453125, 0.01312255859375, 0.06640625, 0.0294189453125, 0.068359375, -0.031494140625, 0.076171875, 0.0123291015625, -0.0510...
27,954
27954
If the Area of a Triangle ABC is given by the formula Author Message TAGS: If the Area of a Triangle ABC is given by the formula [#permalink] 14 Oct 2012, 20:45 ...
4
[ 0.0625, 0.10400390625, 0.00592041015625, -0.01312255859375, -0.03662109375, 0.006561279296875, -0.049072265625, 0.09912109375, -0.009033203125, 0.02294921875, 0.01708984375, -0.042724609375, -0.018310546875, 0.060302734375, 0.053955078125, 0.0634765625, 0.0012664794921875, -0.09375...
27,955
27955
Dynamic Vehicle Routing Using an Improved Variable Neighborhood Search Algorithm Journal of Applied Mathematics Volume 2013 (2013), Article ID 672078, 12 pages http://dx.doi.org/10.1155/2013/672078 Research Article Dynamic Vehicle Routing Using an Improved Variable Neighborhood Search Algorithm ^1Branch of Quality M...
4
[ 0.06494140625, 0.0517578125, 0.0277099609375, 0.04833984375, -0.05908203125, -0.02294921875, -0.00701904296875, 0.02001953125, -0.0654296875, -0.0050048828125, 0.007415771484375, 0.0869140625, 0.0576171875, 0.042724609375, -0.10693359375, 0.072265625, 0.006683349609375, -0.01696777...
27,956
27956
Assistance sought on how to go about solving graphing problem. January 10th 2013, 01:54 PM #1 Junior Member Joined Nov 2012 From Michigan Posts 27 Thanks 1 Assistance sought on how to go about solving graphing problem. The text asks: Find the possible slopes of a line that passes through (4,3) so...
4
[ -0.037109375, 0.0018310546875, -0.049072265625, -0.05322265625, -0.037841796875, -0.056396484375, -0.00909423828125, 0.05419921875, -0.06201171875, 0.03076171875, 0.0174560546875, -0.0986328125, -0.01904296875, 0.060302734375, 0.08642578125, 0.1396484375, -0.04052734375, -0.1660156...
27,957
27957
orthonormal basis April 6th 2010, 02:26 PM #1 Member Joined Feb 2010 Posts 133 orthonormal basis Hey, I would like to show that the sequence $\{ \delta_{k} \}_{k=1}^{\infty}=(0,0,0,\ldots,1,0,0,\ldots)$ (the k'th entry is 1) is an orthonormal basis for the space $l^{2}(\mathbb{N})=\Big\{\{x_{k}...
5
[ -0.0067138671875, 0.0045166015625, 0.01708984375, -0.049560546875, 0.0157470703125, 0.08642578125, 0.06640625, -0.037353515625, -0.01434326171875, -0.043212890625, 0.049560546875, 0.015869140625, -0.02197265625, -0.08203125, -0.059814453125, -0.0157470703125, -0.0030517578125, -0.0...
27,958
27958
Quantification of Scenario Distance within Generic WINNER Channel Model International Journal of Antennas and Propagation Volume 2013 (2013), Article ID 176704, 17 pages http://dx.doi.org/10.1155/2013/176704 Research Article Quantification of Scenario Distance within Generic WINNER Channel Model ^1Department for Pow...
4
[ -0.0004787445068359375, 0.0303955078125, -0.0294189453125, -0.0224609375, 0.0201416015625, -0.060302734375, -0.09033203125, 0.0693359375, 0.060546875, 0.0059814453125, -0.018798828125, 0.0155029296875, 0.0654296875, -0.018798828125, 0.0133056640625, -0.06494140625, 0.07861328125, -...
27,959
27959
A Class of Fuzzy Variational Inequality Based on Monotonicity of Fuzzy Mappings Abstract and Applied Analysis Volume 2013 (2013), Article ID 854751, 17 pages http://dx.doi.org/10.1155/2013/854751 Research Article A Class of Fuzzy Variational Inequality Based on Monotonicity of Fuzzy Mappings ^1College of Mathematics...
5
[ 0.0172119140625, -0.072265625, 0.1005859375, -0.06591796875, -0.06884765625, 0.044677734375, 0.0159912109375, 0.064453125, 0.032958984375, 0.0732421875, 0.0267333984375, 0.00537109375, 0.11181640625, 0.0262451171875, -0.06298828125, 0.01611328125, 0.06689453125, -0.10009765625, -...
27,960
27960
-Stability of Linear Matrix Differential Systems Abstract and Applied Analysis Volume 2013 (2013), Article ID 781983, 6 pages http://dx.doi.org/10.1155/2013/781983 Research Article -Stability of Linear Matrix Differential Systems ^1College of Electronic and Information Engineering, Hebei University, Baoding, Hebei 0...
5
[ -0.0859375, -0.00567626953125, -0.11669921875, -0.07568359375, 0.00016880035400390625, 0.034423828125, -0.0196533203125, -0.0223388671875, 0.00860595703125, 0.008544921875, 0.068359375, 0.06787109375, 0.04296875, -0.000896453857421875, -0.1240234375, 0.1083984375, 0.003021240234375, ...
27,961
27961
equilateral triangle inscribed in a circle.. February 28th 2010, 07:02 AM snigdha equilateral triangle inscribed in a circle.. In the given fig., ABC is an equilateral triangle inscribed in a circle of radius 4 cm. Find the area of the shaded region. February 28th 2010, 11:16 AM masters Quote: Hi sn...
4
[ 0.037353515625, 0.0869140625, -0.0380859375, -0.004150390625, -0.040283203125, -0.02001953125, 0.003631591796875, 0.0966796875, 0.0179443359375, -0.01287841796875, 0.0017242431640625, -0.08251953125, 0.0732421875, 0.0238037109375, 0.06591796875, 0.05810546875, -0.0123291015625, -0....
27,962
27962
natural log differentiating problem, thanks February 28th 2013, 06:06 AM dokrbb differentiating (ln u)^(f) in x = a I have to evaluate d/dx of (ln (5 – x^(2)))^(1/4) at x = 1 So, differentiating it I proceeded by y= (ln (5 – x^(2)))^(1/4) = ¼ (ln (5 – x^(2)))^(3-/4) * 1/(5 – x^(2)) * (-2x) = ¼ (ln (5 – x^(2...
5
[ 0.05859375, -0.11181640625, 0.10205078125, -0.039306640625, 0.04541015625, -0.1259765625, 0.00738525390625, -0.0142822265625, 0.021240234375, 0.031982421875, 0.064453125, -0.006134033203125, -0.033447265625, 0.06396484375, -0.019775390625, 0.022705078125, -0.091796875, -0.061523437...
27,963
27963
Flight of an Aeroplane problem May 30th 2009, 08:38 AM #1 Newbie Joined Apr 2009 Posts 13 Flight of an Aeroplane problem Hi, I would be really grateful to anyone who can help me with this problem... An aeroplane flies at a constant speed of 800km per hour in a straight line from (-100, -200) to (300...
4
[ -0.064453125, 0.0108642578125, -0.08740234375, -0.06787109375, 0.0096435546875, 0.046630859375, 0.007598876953125, 0.055908203125, -0.056396484375, 0.04052734375, 0.038330078125, -0.01397705078125, 0.0299072265625, -0.0238037109375, -0.0238037109375, 0.0712890625, -0.0947265625, -0...
27,964
27964
A Derivation of the Main Relations of Nonequilibrium Thermodynamics ISRN Thermodynamics Volume 2013 (2013), Article ID 906136, 9 pages http://dx.doi.org/10.1155/2013/906136 Research Article A Derivation of the Main Relations of Nonequilibrium Thermodynamics Moscow State University of Economics, Statistics and Inform...
4
[ -0.07763671875, -0.00946044921875, -0.01416015625, 0.049560546875, 0.0020751953125, -0.04541015625, 0.031005859375, -0.0062255859375, 0.119140625, 0.054443359375, -0.027099609375, -0.012939453125, 0.06494140625, -0.001007080078125, -0.0155029296875, -0.10888671875, 0.0113525390625, ...
27,965
27965
the encyclopedic entry of refractive index The refractive index (or index of refraction ) of a medium is a measure for how much the speed of light (or other waves such as sound waves) is reduced inside the medium. For example, typical glass has a refractive index of 1.5, which means that in glass, light travels a...
4
[ 0.0264892578125, -0.0966796875, 0.0380859375, 0.046875, 0.055908203125, -0.0185546875, 0.07470703125, -0.0208740234375, 0.006988525390625, -0.01031494140625, -0.044921875, -0.01708984375, -0.0172119140625, 0.0137939453125, -0.08154296875, -0.046875, 0.042724609375, 0.03466796875, ...
27,966
27966
Combination problem - overlapping sets and hypergeometric distribution December 30th 2012, 09:14 AM #1 Newbie Joined Dec 2012 From somewhere Posts 4 Combination problem - overlapping sets and hypergeometric distribution ok, so i have 3 sets, each with 4 elements. These 3 sets are subsets of the unive...
5
[ 0.07080078125, 0.01171875, -0.0306396484375, -0.041015625, -0.018310546875, 0.03515625, 0.0732421875, -0.01409912109375, -0.0546875, 0.007720947265625, -0.01513671875, -0.11279296875, 0.006988525390625, -0.0181884765625, 0.017822265625, 0.03857421875, -0.0032958984375, -0.102050781...
27,967
27967
Slope-intercept March 28th 2012, 06:27 PM #1 Junior Member Joined Mar 2012 From United States Posts 43 Slope-intercept Problem states - Find the slope-intercept form of the equation of the line perpendicular to 4x+5y= -11, and containing the point (-7,6): I came up with y= - 4/5x + 2/5 ...
4
[ -0.0888671875, 0.02197265625, 0.038818359375, -0.052490234375, 0.0238037109375, 0.044921875, -0.036865234375, 0.0361328125, -0.048828125, 0.09375, 0.07666015625, 0.0269775390625, 0.00665283203125, 0.06201171875, -0.027099609375, 0.1298828125, -0.08349609375, -0.0191650390625, -0....
27,968
27968
MHD Boundary Layer Flow due to Exponential Stretching Surface with Radiation and Chemical Reaction Mathematical Problems in Engineering Volume 2013 (2013), Article ID 163614, 7 pages http://dx.doi.org/10.1155/2013/163614 Research Article MHD Boundary Layer Flow due to Exponential Stretching Surface with Radiation and...
4
[ -0.064453125, 0.06396484375, 0.07177734375, 0.0103759765625, 0.041259765625, -0.0302734375, 0.007537841796875, 0.103515625, -0.0260009765625, -0.007659912109375, 0.02685546875, -0.09130859375, 0.0712890625, 0.01251220703125, 0.042724609375, -0.004791259765625, -0.08740234375, -0.05...
27,969
27969
A true or false about an inner product March 2nd 2009, 09:11 AM #1 A true or false about an inner product Hi MHF, I did badly (failed) in the final exam on linear algebra (4.4/10) and so I must retake the exam in late June or early July. I'm still stuck on some exam questions : Tell whether this is true o...
5
[ -0.09716796875, -0.041748046875, 0.036376953125, -0.025390625, -0.0419921875, -0.0537109375, 0.07275390625, -0.05078125, 0.017822265625, 0.007171630859375, 0.0277099609375, 0.006591796875, -0.0301513671875, 0.039794921875, 0.0189208984375, 0.034912109375, 0.018798828125, 0.01794433...
27,970
27970
-Electric Potential due to Continuous Charge Distributions Download Policy: Content on the Website is provided to you AS IS for your information and personal use only and may not be sold or licensed nor shared on other sites. SlideServe reserves the right to change this policy at anytime. While downloading, If for som...
5
[ -0.07763671875, 0.05419921875, -0.07666015625, 0.0191650390625, 0.0673828125, 0.01458740234375, 0.0341796875, 0.016357421875, 0.056884765625, 0.007171630859375, 0.09521484375, -0.038330078125, 0.015869140625, 0.1572265625, 0.0262451171875, -0.08203125, -0.080078125, -0.04736328125,...
27,971
27971
Differentiation using limits January 28th 2010, 09:35 PM #1 Newbie Joined Jan 2010 Posts 7 Differentiation using limits HI there guys, I'm taking calculus for the third time and its been a long time since i can remember my basic algebra and such. So please I ask for patience for this simple work, I under...
5
[ 0.033447265625, 0.032470703125, -0.0203857421875, 0.0274658203125, 0.0235595703125, 0.0419921875, -0.01263427734375, -0.012451171875, 0.033935546875, -0.0147705078125, 0.10693359375, -0.12353515625, -0.0023345947265625, -0.01495361328125, 0.0218505859375, 0.056396484375, -0.032958984...
27,972
27972
Comparison of Artificial Neural Network Architecture in Solving Ordinary Differential Equations Advances in Artificial Neural Systems Volume 2013 (2013), Article ID 181895, 12 pages http://dx.doi.org/10.1155/2013/181895 Research Article Comparison of Artificial Neural Network Architecture in Solving Ordinary Differen...
5
[ -0.1552734375, -0.07861328125, 0.05029296875, 0.05712890625, -0.07470703125, 0.0157470703125, -0.0791015625, 0.056884765625, 0.01239013671875, -0.031005859375, 0.0289306640625, 0.03662109375, -0.002105712890625, -0.0201416015625, -0.103515625, 0.08203125, -0.0257568359375, 0.032470...
27,973
27973
True-Randomness and Pseudo-Randomness in Ring Oscillator-Based True Random Number Generators International Journal of Reconfigurable Computing Volume 2010 (2010), Article ID 879281, 13 pages http://dx.doi.org/10.1155/2010/879281 Research Article True-Randomness and Pseudo-Randomness in Ring Oscillator-Based True Rand...
4
[ -0.1376953125, 0.019775390625, -0.06494140625, 0.048828125, -0.033203125, -0.07421875, 0.0693359375, -0.051025390625, 0.05224609375, -0.05419921875, -0.0296630859375, 0.018310546875, 0.10888671875, -0.05810546875, -0.020751953125, -0.06787109375, -0.0693359375, 0.0140380859375, 0...
27,974
27974
Development of a New Research Platform for Electrical Drive System Modelling for Real-Time Digital Simulation Applications Advances in Power Electronics Volume 2013 (2013), Article ID 719847, 10 pages http://dx.doi.org/10.1155/2013/719847 Research Article Development of a New Research Platform for Electrical Drive Sy...
4
[ -0.034912109375, 0.03173828125, -0.07421875, 0.0478515625, -0.034912109375, -0.107421875, -0.1259765625, 0.07177734375, 0.062255859375, -0.0184326171875, 0.006500244140625, -0.01165771484375, 0.045166015625, -0.044677734375, -0.044677734375, 0.0186767578125, 0.0140380859375, -0.039...
27,975
27975
Velocity (application) We discuss problems, which highlight certain aspects of the study leading to the concept of velocity. For this reason, questions are categorized in terms of the characterizing features of the subject matter : • Position vector • Displacement • Constrained motion • Nature of velocity • ...
5
[ -0.0035400390625, 0.0303955078125, -0.072265625, -0.031494140625, 0.09521484375, 0.0159912109375, -0.0400390625, 0.0111083984375, 0.0284423828125, -0.0198974609375, 0.05615234375, 0.0294189453125, -0.023193359375, 0.01806640625, 0.00089263916015625, 0.005584716796875, -0.011657714843...
27,976
27976
Probability of an event February 22nd 2008, 02:33 PM mathlete2 Probability of an event Suppose that two balanced dice are tossed repeatedly and the sum of the two uppermost faces is determined on each toss. What is the probability that we obtain a) a sum of 3 before we obtain a sum of 7? b) a sum of 4 be...
5
[ -0.0159912109375, -0.058349609375, -0.0126953125, -0.039794921875, -0.024169921875, 0.0205078125, 0.03466796875, -0.0693359375, 0.039306640625, 0.0927734375, -0.041015625, -0.0289306640625, -0.037109375, -0.0026397705078125, 0.042236328125, -0.0390625, -0.0279541015625, 0.014404296...
27,977
27977
mapping homomorphism and subgroup January 27th 2009, 07:55 AM knguyen2005 mapping homomorphism and subgroup 1) Describe explicitly all homomorphisms h: C_6 maps to Aut(C_12) Firstly, I have to find what group Aut(C_12) is isomorphic to, and then find the order of that group. Is this the right track? If...
5
[ -0.037353515625, 0.07177734375, 0.05615234375, -0.041259765625, -0.046142578125, 0.103515625, 0.003326416015625, 0.034423828125, -0.01385498046875, -0.0625, 0.09228515625, -0.04248046875, -0.13671875, -0.04833984375, -0.06787109375, 0.06640625, -0.0830078125, 0.0294189453125, -0....
27,978
27978
[SOLVED] simplify Algebra Problem with exponents November 1st 2007, 04:40 AM #1 gnom Guest [SOLVED] simplify Algebra Problem with exponents how do you solve for R, rate in this equation please provide a "check" that shows how to solve the problem Formula I = G/(1+r) + G/(1+r)^2 + G/(1+r)^3 Given ...
5
[ -0.051513671875, 0.048583984375, -0.0849609375, 0.0059814453125, -0.037841796875, -0.109375, 0.045166015625, 0.004364013671875, -0.006072998046875, 0.068359375, -0.045166015625, 0.01220703125, 0.046630859375, 0.09521484375, 0.0341796875, -0.02880859375, -0.0294189453125, 0.05200195...
27,979
27979
Average Value May 27th 2009, 09:45 AM #1 Member Joined Oct 2008 Posts 96 Average Value If the average value of f on the interval 2 < or = x < = 5 is 4, Find integral form 2 to 5 of (3(f(x) + 2)dx The "average" value of a function, f, on the interval $a\le x\le b$ is $\frac{\int_a^b f(x)dx}{b-a}$ so ...
4
[ 0.01031494140625, -0.010498046875, 0.0751953125, -0.031494140625, 0.006927490234375, 0.034912109375, -0.01611328125, 0.07763671875, -0.0546875, 0.0361328125, -0.046630859375, -0.07177734375, -0.00439453125, -0.052978515625, -0.020751953125, 0.039306640625, -0.04296875, -0.005676269...
27,980
27980
Help with a few basic derivatives... October 23rd 2009, 02:41 AM #1 Newbie Joined Oct 2009 Posts 9 Help with a few basic derivatives... 1. y = (x^2 + 1)^3 * (x^3 - 1)^2 2. y = (x^3 + 1) / (x^3 - 2) 3. y = x^2 * sqrt(x + 1) 4. find dy/dx and d^2y/dx^2 for x^(1/3) + y^(1/3) = 3 at the point ...
5
[ -0.0498046875, 0.0218505859375, 0.0634765625, -0.0296630859375, 0.0081787109375, -0.024169921875, -0.005126953125, 0.04443359375, 0.00439453125, -0.001983642578125, 0.0712890625, -0.0281982421875, -0.044921875, 0.041259765625, -0.02685546875, 0.006927490234375, -0.064453125, 0.0026...
27,981
27981
Compatible and Incompatible Nonuniqueness Conditions for the Classical Cauchy Problem Abstract and Applied Analysis Volume 2011 (2011), Article ID 743815, 15 pages http://dx.doi.org/10.1155/2011/743815 Research Article Compatible and Incompatible Nonuniqueness Conditions for the Classical Cauchy Problem ^1Department...
5
[ -0.06884765625, 0.07763671875, 0.07080078125, -0.03857421875, -0.048095703125, 0.01806640625, -0.0177001953125, 0.01422119140625, 0.015869140625, 0.0081787109375, 0.045654296875, -0.046142578125, 0.072265625, 0.0281982421875, -0.0576171875, -0.05419921875, -0.037353515625, -0.09960...
27,982
27982
Generalization of the Chinese Remainder Theorem October 21st 2007, 10:02 AM #1 Newbie Joined Oct 2007 Posts 2 Generalization of the Chinese Remainder Theorem Prove the following generalisation of the Chinese Remainder Theorem. Show that if m1;m2;m3 are pairwise coprime integers and a1 inZ/m1, a2...
4
[ -0.158203125, 0.00506591796875, 0.004791259765625, -0.0791015625, 0.039794921875, -0.036376953125, 0.1279296875, -0.01544189453125, -0.02685546875, -0.1044921875, 0.11328125, -0.0118408203125, 0.0927734375, -0.04052734375, -0.0029296875, 0.059814453125, -0.00665283203125, 0.0111694...
27,983
27983
Is there a way to show my work for this limit? April 3rd 2010, 07:16 PM #1 Super Member Joined Nov 2008 Posts 597 Is there a way to show my work for this limit? Is there a way to show my work for this? (other than knowing that both will grow infinitely and by pluggin in numbers to see which one grows fas...
5
[ -0.038818359375, -0.1181640625, -0.138671875, -0.00469970703125, 0.008544921875, -0.02783203125, -0.04296875, -0.0191650390625, -0.037353515625, 0.0079345703125, -0.06494140625, -0.109375, -0.0223388671875, -0.0086669921875, 0.0322265625, 0.0303955078125, -0.053955078125, 0.0046081...
27,984
27984
Math Help October 21st 2009, 06:03 AM #1 Junior Member Joined Sep 2009 Posts 62 Hi everyone, I often saw in books : "Sin(x)<x<Tan(x) thus Cos(x)<Sin(x)/x<1 for (0, π/2)". So I was wondering how can I show that: Sin(x)<x<Tan(x) => Cos(x)<Sin(x)/x<1 for (0, π/2) I tired a few things...
5
[ -0.046142578125, 0.041748046875, 0.1083984375, 0.006195068359375, -0.030517578125, 0.0240478515625, -0.06689453125, 0.033935546875, 0.032958984375, 0.0284423828125, -0.044677734375, -0.03271484375, 0.056884765625, 0.00335693359375, 0.064453125, -0.0281982421875, 0.0830078125, 0.017...
27,985
27985
egative terms Using the balance model with negative terms in an equation It is not so easy to portray negatives in an equation with the balance model because in the natural we don't have any 'negative weight', but you can think of the negatives as h...
4
[ -0.009521484375, 0.053955078125, -0.00799560546875, -0.00439453125, -0.054931640625, -0.04248046875, 0.004730224609375, -0.00439453125, 0.11328125, 0.0458984375, 0.0849609375, -0.05859375, 0.0830078125, 0.08056640625, 0.0283203125, 0.012939453125, 0.05517578125, -0.00836181640625, ...
27,986
27986
Neutrino Dispersion Relations from a Dark Energy Model ISRN High Energy Physics Volume 2013 (2013), Article ID 497071, 9 pages http://dx.doi.org/10.1155/2013/497071 Research Article Neutrino Dispersion Relations from a Dark Energy Model ^1TPCSF, IHEP, Chinese Academy of Sciences, Yu Quan Lu 19(B), Beijing 100049, Ch...
4
[ -0.10498046875, 0.009033203125, 0.1025390625, 0.134765625, 0.00762939453125, -0.048095703125, 0.0001506805419921875, 0.04638671875, 0.0284423828125, -0.09619140625, 0.0260009765625, -0.01129150390625, -0.07421875, 0.06298828125, 0.048583984375, -0.001983642578125, 0.08447265625, 0....
27,987
27987
Function Differentiability/ Inverse trigonometry problem. August 5th 2012, 12:49 AM #1 Newbie Joined Aug 2012 From bangalore, india Posts 1 Function Differentiability/ Inverse trigonometry problem. okay here's the link: Image0018 | Flickr - Photo Sharing! now i know you can get it with plai...
4
[ 0.0198974609375, 0.0034637451171875, 0.04052734375, 0.04345703125, -0.007080078125, -0.09521484375, -0.019287109375, 0.0859375, -0.06982421875, -0.0260009765625, 0.08251953125, 0.0016021728515625, 0.01953125, 0.04150390625, 0.020751953125, 0.0072021484375, -0.0018310546875, -0.0712...
27,988
27988
Integrate (Sinx)^2 Recall that $\cos^2{x} + \sin^2{x} = 1$ and $\cos^2{x} - \sin^2{x} = \cos{2x}$. So if you subtract the second equation from the first... $(\cos^2{x} + \sin^2{x}) - (\cos^2{x} - \sin^2{x}) = 1 - \cos {2x}$ $2\sin^2{x} = 1 - \cos{2x}$ $\sin^2{x} = \frac{1}{2} - \frac{1}{2}\cos{2x}$. Therefore: $\int{\s...
5
[ 0.04931640625, -0.0035247802734375, 0.03955078125, 0.06396484375, 0.01275634765625, 0.009033203125, -0.0439453125, 0.04248046875, -0.0294189453125, 0.0031890869140625, 0.00140380859375, -0.004150390625, 0.01409912109375, -0.020263671875, -0.04345703125, -0.0947265625, 0.0888671875, ...
27,989
27989
Proof using Lagrange M Mean Value Theorem Using Lagrange Mean Value Theorem prove that for every a,b are real numbers on has |sina-sinb|<or=|a-b| Let $a,b\in\mathbb{R}$. We know by the MVT that $\frac{\sin(a)-\sin(b)}{a-b}=f'(c)\implies \left|\sin(a)-\sin(b)\right|\leqslant |f'(c)||a-b|$ for some $c\in(a,b)$. But, $f'...
5
[ -0.035400390625, 0.022216796875, -0.08740234375, -0.037109375, -0.0712890625, 0.0517578125, -0.0546875, 0.0155029296875, -0.037109375, 0.047607421875, 0.016845703125, -0.0198974609375, 0.04248046875, -0.0272216796875, 0.0225830078125, -0.0011138916015625, 0.09228515625, -0.01843261...
27,990
27990
Equation of Lines February 1st 2009, 08:51 PM mathhomework Equation of Lines Given that the straight lines L1: kx+4y=1 and L2: 3x+y=2+kx are parallel. a. find the value of the constant k. b. if the line L3 is parallel to L2 and its x-intercept is greater than the x-intercept of L2 by 4, find the equatio...
4
[ -0.08154296875, -0.01416015625, 0.004180908203125, -0.06591796875, 0.0303955078125, 0.050537109375, 0.0181884765625, -0.00121307373046875, -0.002288818359375, 0.0172119140625, 0.06396484375, -0.055908203125, 0.06884765625, -0.033203125, -0.014892578125, 0.11279296875, -0.0791015625, ...
27,991
27991
Critical Numbers May 18th 2010, 01:06 PM #1 Newbie Joined May 2010 Posts 8 Critical Numbers Find the critical numbers of the function. (Round your answers to three decimal places.) s(t) = 3t4 + 4t3 − 6t2 Set $s'(t)=0$. You get (I assume by t2 you mean $t^2$ for example) $12t^3 + 12t^2 - 12t...
4
[ -0.03759765625, 0.01556396484375, -0.0341796875, 0.01031494140625, -0.032470703125, 0.0712890625, -0.05029296875, 0.09033203125, 0.00897216796875, -0.03173828125, 0.0279541015625, 0.04296875, 0.00567626953125, -0.0235595703125, -0.050537109375, -0.033935546875, -0.00909423828125, -...
27,992
27992
Linear transformation July 27th 2009, 12:30 PM justin016 Linear transformation Consider the basis S={ v1,v2 } where v1= (-2,1), v2=(1,3) and let T : R^2 --> R^3 be the linear transformation such that T(v1) = ( -1,2,0) and T(v2) = (0,-3,5) Find a formula for T( x1, x2) Here what I did let ...
5
[ -0.09033203125, -0.0147705078125, -0.055908203125, -0.0693359375, 0.05078125, 0.0048828125, -0.00701904296875, 0.0235595703125, 0.038330078125, -0.01239013671875, 0.052978515625, -0.068359375, -0.003265380859375, -0.0302734375, -0.046630859375, -0.01495361328125, -0.0213623046875, ...
27,993
27993
Differrentiate this function October 15th 2010, 09:45 AM #1 Member Joined Mar 2009 Posts 76 Differrentiate this function Hi all, just stuck with a simple equation at the moment and dont really know how to solve it. Hope you guys could assist me! Thanks. The function is given as: y= 1/C (1 - e^(...
5
[ -0.06982421875, 0.044677734375, 0.049072265625, -0.0013885498046875, -0.0018463134765625, -0.0196533203125, 0.0008392333984375, -0.0155029296875, -0.05078125, 0.087890625, 0.034912109375, -0.12060546875, 0.0128173828125, 0.03515625, 0.05908203125, -0.0517578125, -0.0133056640625, -...
27,994
27994
Homework Help Posted by some kid on Sunday, April 12, 2009 at 7:40pm. Let R be the first quadrant region enclosed by the graph of y= 2e^-x and the line x=k. a) Find the area of R in terms of k. b) Find the volume of the solid generated when R is rotated about the x-axis in terms of k. c) What is the volume in part ...
5
[ 0.002471923828125, 0.056884765625, -0.005889892578125, -0.033447265625, -0.00146484375, -0.06787109375, -0.0021209716796875, 0.052490234375, -0.054931640625, 0.07763671875, 0.004364013671875, -0.0206298828125, 0.033935546875, -0.011962890625, 0.0245361328125, -0.01953125, -0.00193786...
27,995
27995
the encyclopedic entry of scalar matrix In linear algebra , a diagonal matrix is a square matrix in which the entries outside the main diagonal (↘) are all zero. The diagonal entries themselves may or may not be zero. Thus, the matrix D = (d [i,j] ) with n columns and n rows is diagonal if: $d_\left\{i,j...
4
[ -0.00104522705078125, -0.017822265625, -0.10546875, -0.08251953125, -0.05029296875, -0.0283203125, -0.076171875, -0.0235595703125, 0.0123291015625, -0.051513671875, 0.030029296875, 0.0419921875, -0.00115966796875, -0.0238037109375, -0.07763671875, 0.00921630859375, 0.06787109375, 0...
27,996
27996
A Global Attractor in Some Discrete Contest Competition Models with Delay under the Effect of Periodic Stocking Abstract and Applied Analysis Volume 2013 (2013), Article ID 101649, 7 pages http://dx.doi.org/10.1155/2013/101649 Research Article A Global Attractor in Some Discrete Contest Competition Models with Delay ...
5
[ -0.083984375, -0.0250244140625, 0.0308837890625, 0.005126953125, 0.035888671875, 0.0810546875, -0.00836181640625, -0.045654296875, 0.11279296875, 0.0162353515625, 0.05810546875, -0.018798828125, 0.0498046875, 0.00469970703125, 0.0069580078125, -0.078125, -0.003875732421875, -0.0378...
27,997
27997
Logarithmic Function - Performance Problem May 4th 2009, 11:43 AM peekay Logarithmic Function - Performance Problem Been having trouble with this one, any help would be appreciated. Log2x + Log4x = 5 (both the 2 and the 4 are subscripts) So wouldn't you put it into exponential form and then solve for t...
4
[ 0.025634765625, -0.038330078125, 0.034423828125, -0.003936767578125, 0.0400390625, -0.07470703125, 0.007110595703125, 0.01171875, 0.004913330078125, 0.08740234375, 0.02490234375, -0.080078125, 0.02392578125, 0.021240234375, 0.040771484375, 0.107421875, -0.08984375, 0.025634765625, ...
27,998
27998
Find the first 5 terms March 30th 2007, 03:27 PM #1 Newbie Joined Mar 2007 Posts 7 Find the first 5 terms Find the first five terms of the recursively defined sequences bellow, a. a1 = 1, an+1=1 + 1/n b. a1=2, a2=3,a3= 4, an-1 + an-3 c. a1=2, an+1=an! Thx in advance! What have yo...
4
[ -0.09423828125, -0.048095703125, 0.07861328125, -0.0703125, -0.09228515625, 0.0189208984375, 0.0031890869140625, -0.00787353515625, -0.0159912109375, 0.060791015625, -0.0038299560546875, -0.048583984375, -0.04052734375, -0.009765625, -0.08984375, 0.024658203125, -0.039794921875, -0...
27,999
27999