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ptc-50312641-Visitor
1-Visitor
Jun 10, 2014 1:00 PM UTC
Solved

Graphing not working Using Genfit Coefficients

Hello there,

I am using genfit to come with the coefficients for a best fit equation for points I have created. However, when I try to plot the graph using the coefficients to see how accurate is the equation as compared to the points in the same mathcad sheet it won't plot. Can someone help me out. I have attached the mathcad sheet. Thanks.

MikeArmstrongAnswer
1-Visitor
Jun 11, 2014 7:51 PM UTC

Have a look at the attached.

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10 replies

DenisJaunin15-Moonstone
15-Moonstone
Jun 10, 2014 1:19 PM UTC

Hello, Ranjan,

Have you defined your variable (x) ?

Cordially.

Denis

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ptc-50312641-VisitorAuthor
1-Visitor
Jun 11, 2014 7:01 PM UTC

Tried defining the variable x but still no luck.

Ranjan

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HarveyHensley12-Amethyst
12-Amethyst
Jun 10, 2014 1:21 PM UTC

You have defined ORIGIN=1 but you try to use 0 as the first element in the cg1 vector.

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ptc-50312641-VisitorAuthor
1-Visitor
Jun 11, 2014 7:00 PM UTC

I am not clear on this point. Can you please explain. Thanks.

Ranjan

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MikeArmstrong1-VisitorAnswer
1-Visitor
Jun 11, 2014 7:51 PM UTC

Have a look at the attached.

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Werner_E
Werner_E25-Diamond I
25-Diamond I
Jun 11, 2014 4:48 AM UTC

Wouldn't a simple power function make a much better fit?

11.06.png

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ptc-50312641-VisitorAuthor
1-Visitor
Jun 11, 2014 6:59 PM UTC

I cannot use a power law as I require the curve fit I am using to input the coefficients into a finite element analysis program.

Ranjan

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