How to fit this curve ?

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Thread images: 2

OP
How to fit this curve ? 2017-01-05 05:20:29 Post No. 8581544
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How to fit this curve ? OP 2017-01-05 05:20:29 Post No. 8581544 [Report]

I would like to fit the f curve with a linear or polynomial expression... Anyone can help me ?

Thanks and regards.

Anonymous 2017-01-05 05:24:02 Post No.8581549
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Anonymous 2017-01-05 05:24:02 Post No.8581549 [Report]

Literally a plane you find with a trivial-ass equation system.

Anonymous 2017-01-05 05:25:32 Post No.8581552
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Anonymous 2017-01-05 05:25:32 Post No.8581552 [Report]

>>8581544
Just slap that shit into Excel, negroid.

Anonymous 2017-01-05 05:41:18 Post No.8581574
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Anonymous 2017-01-05 05:41:18 Post No.8581574 [Report]

>>8581570

Then use Reduced Row Echelon Form (RREF) on your matrix with your TI-84

OP 2017-01-05 05:42:28 Post No.8581575
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OP 2017-01-05 05:42:28 Post No.8581575 [Report]

>>8581552
I dont know how to fit a 3 variable function with Excel.

OP 2017-01-05 05:44:46 Post No.8581577
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OP 2017-01-05 05:44:46 Post No.8581577 [Report]

>>8581574
I dont have any calculator. Do you have a WolframAlpha way ?

OP 2017-01-05 06:05:56 Post No.8581607
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OP 2017-01-05 06:05:56 Post No.8581607 [Report]

>>8581574
Ok, i tried with that online calculator: http://www.math.odu.edu/~bogacki/cgi-bin/lat.cgi?c=rref
And I don't understand the results.

Anonymous 2017-01-05 06:27:59 Post No.8581628
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Anonymous 2017-01-05 06:27:59 Post No.8581628 [Report]

>>8581544
just reduce the matrix all you need is a pen and paper dude

OP 2017-01-05 06:37:38 Post No.8581640
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OP 2017-01-05 06:37:38 Post No.8581640 [Report]

>>8581607
Yes but I don't know the matrix so it's a little bit hard for me.

Anonymous 2017-01-05 06:39:13 Post No.8581645
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Anonymous 2017-01-05 06:39:13 Post No.8581645 [Report]

>>8581640
have you taken linear algebra?

Anonymous 2017-01-05 06:41:40 Post No.8581647
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Anonymous 2017-01-05 06:41:40 Post No.8581647 [Report]

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>>8581607
the numbers on 4th column are the multipliers of x y z respectively

OP 2017-01-05 07:05:09 Post No.8581674
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OP 2017-01-05 07:05:09 Post No.8581674 [Report]

>>8581647
Ok, so I have f(x, y z) = x - 128 y + 128 z.

And thats works. Thanks.