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1,715
help-10
3a26a2a29c2242c68fc2211250422cf2
852,661,460,723,302,400
Jayvf
04/05/2022 23:19:19
So ive done this correct so far right?
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help-10
3a26a2a29c2242c68fc2211250422cf2
485,903,210,272,391,200
dldh06
04/05/2022 23:19:46
Basically, you are just flipping the signs in the second equation and then adding it to the first
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1
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1,715
help-10
3a26a2a29c2242c68fc2211250422cf2
852,661,460,723,302,400
Jayvf
04/05/2022 23:20:25
Why
1
0
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1,715
help-10
3a26a2a29c2242c68fc2211250422cf2
485,903,210,272,391,200
dldh06
04/05/2022 23:21:55
Because, for example, 5 - 6 is the same as 5 + -6, right?
0
1
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help-10
3a26a2a29c2242c68fc2211250422cf2
485,903,210,272,391,200
dldh06
04/05/2022 23:22:12
Flipping the sign of the second part and then adding it to the first
0
1
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null
null
null
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1,715
help-10
3a26a2a29c2242c68fc2211250422cf2
852,661,460,723,302,400
Jayvf
04/05/2022 23:25:12
Thank u for trying to help me if my brother was not screaming and if it was not almost 12 at night I think i’d be doing better ill be back tmr I cant do this tmr
1
0
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help-10
3a26a2a29c2242c68fc2211250422cf2
852,661,460,723,302,400
Jayvf
04/05/2022 23:26:11
this rn*
1
0
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help-10
3a26a2a29c2242c68fc2211250422cf2
485,903,210,272,391,200
dldh06
04/05/2022 23:26:48
Maybe this will help out https://www.youtube.com/watch?v=T-b9GbfO9Eg&ab_channel=TheOrganicChemistryTutor
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help-10
3a26a2a29c2242c68fc2211250422cf2
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Jayvf
04/05/2022 23:31:17
Thanks I’ll come sci here and look at it tmr when I’m not tired and all
1
0
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help-10
3a26a2a29c2242c68fc2211250422cf2
852,661,460,723,302,400
Jayvf
04/05/2022 23:36:17
Dk where the sci came from 😭
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852,661,460,723,302,400
Jayvf
7502
Jayvf
false
1,715
help-10
3a26a2a29c2242c68fc2211250422cf2
852,661,460,723,302,400
Jayvf
04/05/2022 23:40:47
If u want help u need to @ then say help for it sum will come
1
0
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help-10
46cbd6cfa1d84714b9ba5c552926eacd
852,661,460,723,302,400
Jayvf
04/06/2022 00:11:14
Tmr
1
0
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1,716
help-10
46cbd6cfa1d84714b9ba5c552926eacd
295,466,136,470,814,700
Gwaine
04/06/2022 00:39:25
find dy/dx of e^y=x
0
1
null
null
null
null
null
1,716
help-10
46cbd6cfa1d84714b9ba5c552926eacd
295,466,136,470,814,700
Gwaine
04/06/2022 00:39:44
y=lnx then answer is 1/x ?
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1
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null
null
null
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1,716
help-10
46cbd6cfa1d84714b9ba5c552926eacd
295,466,136,470,814,700
Gwaine
04/06/2022 00:39:47
is that correct
0
1
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1,716
help-10
46cbd6cfa1d84714b9ba5c552926eacd
295,466,136,470,814,700
Gwaine
04/06/2022 00:47:59
.close
0
1
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null
null
null
null
1,717
help-10
08d28ae263554a5e8df01ddec0686ee9
695,193,852,251,865,100
noty
04/06/2022 01:27:43
https://cdn.discordapp.c…2918/unknown.png
unknown.png
1
0
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null
null
null
null
1,717
help-10
08d28ae263554a5e8df01ddec0686ee9
695,193,852,251,865,100
noty
04/06/2022 01:27:47
need help
1
0
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null
null
null
null
1,717
help-10
08d28ae263554a5e8df01ddec0686ee9
766,268,632,703,434,800
kinglacto
04/06/2022 01:29:46
are you allowed to use a calc to find sin(27°)?
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help-10
08d28ae263554a5e8df01ddec0686ee9
695,193,852,251,865,100
noty
04/06/2022 01:29:59
nop
1
0
null
null
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null
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1,717
help-10
08d28ae263554a5e8df01ddec0686ee9
261,933,205,387,477,000
riemann
04/06/2022 01:39:02
Why not
0
1
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help-10
08d28ae263554a5e8df01ddec0686ee9
695,193,852,251,865,100
noty
04/06/2022 01:40:00
idk teacher doesnt want me to use a calc
1
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help-10
08d28ae263554a5e8df01ddec0686ee9
261,933,205,387,477,000
riemann
04/06/2022 01:41:30
Is it in the instructions with the problem?
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help-10
08d28ae263554a5e8df01ddec0686ee9
695,193,852,251,865,100
noty
04/06/2022 01:42:34
no its not
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help-10
08d28ae263554a5e8df01ddec0686ee9
695,193,852,251,865,100
noty
04/06/2022 01:45:22
so sin27 is 0.956
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help-10
08d28ae263554a5e8df01ddec0686ee9
261,933,205,387,477,000
riemann
04/06/2022 02:14:52
,calc sin(27 deg)
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1
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help-10
08d28ae263554a5e8df01ddec0686ee9
510,789,298,321,096,700
TeXit
04/06/2022 02:14:53
Result: ``` 0.45399049973955 ```
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help-10
08d28ae263554a5e8df01ddec0686ee9
261,933,205,387,477,000
riemann
04/06/2022 02:15:04
Check your units
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help-10
08d28ae263554a5e8df01ddec0686ee9
166,208,141,724,352,500
Netimerus
04/06/2022 02:58:48
?
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:03:47
is this linear transformation invertible? `f(v, minV, maxV) = (v + minV) / (maxV - minV)`
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:14:51
An invertible linear transformation is injective and surjective
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:15:35
Can you find an instance where this is not injective
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:17:49
nope
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:26:02
actually i don't think it's possible to invert (i.e given `x = f(v, minV, maxV)` recover the original `v` from `x`)
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:26:30
if i also knew `minV` `maxV` when recovering, it should be possible
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:27:27
altho i suppose i could figure out `minV` `maxV` too since i know how these were generated
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:32:55
What happens if you use an arbitrary vector like [2,2,3]
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:33:03
Then a multiple of it
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:33:37
as an input to the function?
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:33:40
Yes
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:34:55
it gives identical results
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:35:07
i.e `f(2, 2, 3) = f(6, 6, 9)`
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:36:19
Yes
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:36:26
not unique
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695,193,852,251,865,100
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:36:33
Thus not one-to-one
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:36:52
So you can't recover the original vector
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1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:37:23
i only want to recover one component tho
1
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:37:24
If it's a multiple of some other vector
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1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:37:43
What do you mean
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:38:04
i don't know the mathematical definition of it
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:38:07
the first domain?
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:38:12
what i mean is the first component of the vector
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228,599,126,151,921,660
Suic
0543
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1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:38:23
`f(v, minV, maxV) = (v + minV) / (maxV - minV)` so in this case i'd just want to recover `v`
1
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:39:04
Oh I assumed v was a vector
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:39:16
nope
1
0
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:39:19
it's 3 scalars
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1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:39:24
`v` `minV` `maxV` are all scalars
1
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1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:40:45
It's the same case tho
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228,599,126,151,921,660
Suic
0543
Suic
false
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:40:47
Either way
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:41:11
Like if you take [1,2,3] and [2,4,6] the function is 1 (using v as 1 and 2)
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:41:15
For both
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:41:26
It's not unique
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:41:55
can i find all possible solutions tho?
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:42:09
and then just pick one
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:42:13
There's infinite solutions that will result in 1
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:42:25
well i just want an arbitrary one
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:43:20
What is this for
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:43:32
It's not an invertible function
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:43:37
In a mathematical sense
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:45:04
i'd explain but it'd get fairly complicated so idk if there's a point, but basically it's related to texture mapping and generating a texture atlas from a set of textures
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228,599,126,151,921,660
Suic
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:46:09
fairly complicated because it's related to computer graphics and not math in general, so i'd have to explain all the terms etc
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:46:35
I don't see how you can recover an accurate v component based on the input V vector
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:47:48
Unless you are logging the min and max but then you still know the vector V anyway
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:47:50
even if i knew the original minV, maxV used to construct the result?
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:48:02
If you knew the originals then you know the vector
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:48:16
What dimension is it
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help-10
ed01f2ebbda143aa9519e2ada660cccd
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Suic
04/06/2022 05:48:20
i do know `minV` and `maxV` the only one i don't know is `v`
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:48:28
2D i guess?
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help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:48:37
actually 1D
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:48:54
How can there be min and max of 1D vector
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help-10
ed01f2ebbda143aa9519e2ada660cccd
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Suic
04/06/2022 05:49:16
well `v` basically means height in my case
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help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:49:24
Yes so the entire vector
0
1
null
null
null
null
null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:49:24
it's the vertical axis in an image
1
0
null
null
null
null
null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:49:26
Is it 3d
0
1
null
null
null
null
null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:49:36
[x,y,z]
0
1
null
null
null
null
null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:49:54
well if u consider (v, minV, maxV) as a vector then yes it's a 3D vector?
1
0
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null
null
null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:50:01
but it's not a vector in my case
1
0
null
null
null
null
null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:50:09
it's 3 floats/scalars/real numbers, w.e u wanna call them
1
0
null
null
null
null
null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:52:09
What is V
0
1
null
null
null
null
null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:52:18
I guess it doesn't matter
0
1
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null
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null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:52:24
a float
1
0
516,880,534,086,090,750
Skid
0001
Skid
false
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:52:26
same with minV, maxV
1
0
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null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:52:32
Do you know the output
0
1
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1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:52:35
Of the function
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1
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null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:52:37
yes
1
0
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null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:53:09
Then it's just v = ouput* max - (output + 1) min
0
1
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1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:53:42
what i want to achieve is: `v = f2(f1(v, minV, maxV))`
1
0
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1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:53:50
alright ill try that
1
0
null
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null
null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
228,599,126,151,921,660
Suic
04/06/2022 05:55:18
yea that works perfectly
1
0
null
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null
null
1,718
help-10
ed01f2ebbda143aa9519e2ada660cccd
516,880,534,086,090,750
Skid
04/06/2022 05:55:54
Nice!
0
1
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