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help-10
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mmu
03/25/2022 16:50:30
https://cdn.discordapp.c…9520/unknown.png
unknown.png
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mmu
03/25/2022 17:05:52
@Helpers
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317f9f8249704e80bcd3f63dfae8d379
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dk.dkn
03/25/2022 17:52:35
He saved $4.55 on just one shirt
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dk.dkn
03/25/2022 17:52:54
You have $19.95 on sale
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help-10
317f9f8249704e80bcd3f63dfae8d379
884,904,554,037,141,600
dk.dkn
03/25/2022 17:53:11
Do you know how to calculate percentage change?
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help-10
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181,493,658,212,630,530
Kuri
03/25/2022 18:32:02
i set v1 + v2 + v3 + v4 + v5 = 0 and wrote it into an augmented matrix and row reduced it
https://cdn.discordapp.c…7610/unknown.png
unknown.png
1
0
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help-10
5956147b5f42434da1781b3432395e84
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Kuri
03/25/2022 18:32:16
and found that v1 and v2 are the leading ones and pivot columns
1
0
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help-10
5956147b5f42434da1781b3432395e84
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Kuri
03/25/2022 18:32:22
but im not sure why the answer is wrong
1
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Kuri
03/25/2022 18:32:23
😦
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jan Niku
03/25/2022 18:41:04
its kuri
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Kuri
03/25/2022 18:47:32
:waves:
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jan Niku
03/25/2022 18:47:43
trying to install stuff in matlab to see if i can do this
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help-10
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Kuri
03/25/2022 18:47:56
ok np tyt~
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help-10
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jan Niku
03/25/2022 18:48:08
i dont have access to python atm
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help-10
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jan Niku
03/25/2022 18:51:33
@Kuri can you paste that vector code
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Kuri
03/25/2022 18:52:29
[14,-4,-4,-2,-18],[3,9,-3,-3,-9],[-11,13,1,-1,9],[17,5,-7,-5,-27],[9,5,-9,3,-15]
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Kuri
03/25/2022 18:52:29
?
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jan Niku
03/25/2022 18:54:18
you in college? you should try matlab
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help-10
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jan Niku
03/25/2022 18:54:19
:smugCatto:
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help-10
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jan Niku
03/25/2022 18:54:21
https://cdn.discordapp.c…6008/unknown.png
unknown.png
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 18:54:31
```>> test test = [ 14, -4, -4, -2, -18] [ 3, 9, -3, -3, -9] [-11, 13, 1, -1, 9] [ 17, 5, -7, -5, -27] [ 9, 5, -9, 3, -15] >> colspace(test) ans = [ 1, 0, 0] [ 0, 1, 0] [-1, 1, 0] [ 1, 1, 0] [ 0, 0, 1] ```
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help-10
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Kuri
03/25/2022 18:55:03
yes matlab :nani:
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help-10
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jan Niku
03/25/2022 18:55:13
matrix laboratory
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help-10
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jan Niku
03/25/2022 18:55:21
its free if youre in college
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help-10
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jan Niku
03/25/2022 18:55:28
its purpose built for stuff like this
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help-10
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Kuri
03/25/2022 18:55:30
oh ill look into it
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jan Niku
03/25/2022 18:55:32
if youre allowed to use whatever you want
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help-10
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jan Niku
03/25/2022 18:55:45
if youre not then you have to use python and honestly probably using python is better experience
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 18:55:49
what were you supposed to do in python?
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help-10
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Kuri
03/25/2022 18:55:51
ive been just using RREF calculators i find online XD
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jan Niku
2119
jan Niku
false
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help-10
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jan Niku
03/25/2022 18:55:53
did you have to write your own program?
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help-10
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Kuri
03/25/2022 18:56:05
i dont think you need to do anything on python
1
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help-10
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Kuri
03/25/2022 18:56:13
its just for copy and pasting im guessing
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help-10
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jan Niku
03/25/2022 18:56:22
right but
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Kuri
4332
Kuri
false
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help-10
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jan Niku
03/25/2022 18:56:23
into python
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help-10
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jan Niku
03/25/2022 18:56:30
did they give you python code that finds the span?
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help-10
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Kuri
03/25/2022 18:56:48
i dont think so?
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Kuri
03/25/2022 18:56:57
these are practice problems from previous professors
1
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help-10
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Kuri
03/25/2022 18:57:02
that my current professor posted
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5956147b5f42434da1781b3432395e84
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Kuri
03/25/2022 18:57:08
so i'm not sure if im supposed to use python ig :sweatyu:
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help-10
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jan Niku
03/25/2022 18:57:24
,w column space [14,-4,-4,-2,-18],[3,9,-3,-3,-9],[-11,13,1,-1,9],[17,5,-7,-5,-27],[9,5,-9,3,-15]
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jan Niku
2119
jan Niku
false
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help-10
5956147b5f42434da1781b3432395e84
510,789,298,321,096,700
TeXit
03/25/2022 18:57:28
Results provided by WolframAlpha
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help-10
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jan Niku
03/25/2022 18:57:35
wew
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jan Niku
03/25/2022 18:57:39
,w span [14,-4,-4,-2,-18],[3,9,-3,-3,-9],[-11,13,1,-1,9],[17,5,-7,-5,-27],[9,5,-9,3,-15]
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help-10
5956147b5f42434da1781b3432395e84
510,789,298,321,096,700
TeXit
03/25/2022 18:57:42
Results provided by WolframAlpha
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help-10
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jan Niku
03/25/2022 18:57:45
lol
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help-10
5956147b5f42434da1781b3432395e84
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Kuri
03/25/2022 18:57:59
:sweatyu:
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Kuri
03/25/2022 18:58:06
idk what those are
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 18:58:08
yea i like the matlab answer
0
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 18:58:30
```>> test test = [ 14, -4, -4, -2, -18] [ 3, 9, -3, -3, -9] [-11, 13, 1, -1, 9] [ 17, 5, -7, -5, -27] [ 9, 5, -9, 3, -15] >> colspace(test) ans = [ 1, 0, 0] [ 0, 1, 0] [-1, 1, 0] [ 1, 1, 0] [ 0, 0, 1]```
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 18:58:35
see if u can get your answer from this
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jan Niku
2119
jan Niku
false
1,479
help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 18:58:55
od
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 18:58:56
oh
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1
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 18:58:57
wait
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 18:59:44
idk i still dont trust this
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 18:59:45
:thonk:
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 18:59:49
i like the first one better
0
1
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 19:00:12
yea
0
1
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 19:00:15
the first one
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 19:00:19
sorry if i totally confused you
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help-10
5956147b5f42434da1781b3432395e84
181,493,658,212,630,530
Kuri
03/25/2022 19:00:31
:sweatyu: np idk what those numbers are
1
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 19:00:34
could also try this
0
1
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 19:00:34
https://www.emathhelp.net/en/calculators/linear-algebra/column-space-calculator/
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 19:00:38
theyre the column space
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1,479
help-10
5956147b5f42434da1781b3432395e84
181,493,658,212,630,530
Kuri
03/25/2022 19:00:56
column space?
1
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help-10
5956147b5f42434da1781b3432395e84
181,493,658,212,630,530
Kuri
03/25/2022 19:00:57
what is that
1
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help-10
5956147b5f42434da1781b3432395e84
331,558,346,333,224,960
jan Niku
03/25/2022 19:01:26
a hint is given in your question about this
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:02:41
:nani:
1
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:02:44
.reoen
1
0
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:02:48
.reopen
1
0
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:03:09
its saying that the span is = to the col(A)?
1
0
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:03:18
Col(A) is the column space?
1
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:03:34
what exactly is the column space? (is it just the number of columns in A)?
1
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:04:02
so span is the collection of all places you can hit by combining a collection of vectors
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:04:19
column space is a type of span, it talks about a matrix
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:04:39
This i understand
1
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:04:50
idk this
1
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:05:01
its a type of span that talks about a matrixX?
1
0
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null
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:05:13
https://www.youtube.com/watch?v=VLj3wun3hsc&ab_channel=DenisPotapov
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:06:19
im still not sure how matlab is doing this and if i need a transpose :thonk: this is why id use a calculator
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:07:38
https://www.emathhelp.net/en/calculators/linear-algebra/column-space-calculator/?i=%5B%5B14%2C3%2C-11%2C17%2C9%5D%2C%5B-4%2C9%2C13%2C5%2C5%5D%2C%5B-4%2C-3%2C1%2C-7%2C-9%5D%2C%5B-2%2C-2%2C-1%2C-5%2C3%5D%2C%5B-18%2C-9%2C9%2C-27%2C-15%5D%5D
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1
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:07:40
:flonshed:
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:07:42
https://cdn.discordapp.c…4114/unknown.png
unknown.png
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:07:49
so column space = span?
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:07:56
it talks about a matrix
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:07:57
but yea
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:08:01
its a type of span
0
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:08:02
i have to go but
0
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:08:06
if you do not figure this out
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:08:08
thi does look like the definition of span
https://cdn.discordapp.c…2688/unknown.png
unknown.png
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jan Niku
2119
jan Niku
false
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:08:09
you should post in #linear-algebra
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:08:12
yea
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:08:13
lol
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:08:28
:sweatyu:
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:08:38
sorryi i just realized how late it is
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jan Niku
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help-10
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331,558,346,333,224,960
jan Niku
03/25/2022 19:08:42
i think that link i linked is good
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jan Niku
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jan Niku
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:08:45
that very last one
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:08:49
screw matlab its confusing me
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help-10
41788a922c864798aadc2196378abf50
331,558,346,333,224,960
jan Niku
03/25/2022 19:08:51
:thonk:
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help-10
41788a922c864798aadc2196378abf50
181,493,658,212,630,530
Kuri
03/25/2022 19:08:57
:xD:
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