lspline and linterp - where is an error?

lspline and linterp - where is an error? - Messages

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#1 Posted: 2023/4/20 02:27:00

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See please the attach
Propane-Butane-Tab-Func.sm (642.34 KiB) downloaded 774 time(s).

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#2 Posted: 2023/4/20 07:25:04

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There may be a bug in the lspline() function. It takes time to find it. I will compare this behavior with an analog from Mathcad.

Russia ☭ forever, Viacheslav N. Mezentsev

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Valery Ochkov 2023/4/21 01:49:00

#3 Posted: 2023/4/20 10:26:11

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Wrote
See please the attach

Interpolate within the matrix.

Propane-Butane SplineMatrix.sm (10.92 KiB) downloaded 739 time(s).

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Valery Ochkov 2023/4/21 01:49:00

#4 Posted: 2023/4/20 15:32:46

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Hi. You can use InterpBilinear instead linterp twice.

Propane-Butane-Tab-Func InterpBilinear.sm (624.56 KiB) downloaded 742 time(s).

Best regards.
Alvaro.

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#5 Posted: 2023/4/21 08:54:41

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Wrote
Interpolate within the matrix.

Interpolate % row inspector added.
Cheers ... Jean.

Propane-Butane SplineMatrix Inspector.sm (19.45 KiB) downloaded 699 time(s).

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Valery Ochkov 2023/4/21 09:04:00