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Polyval gives me a error

Asked by Janani Chander on 26 Jun 2013

Hi,

Can you please tell me what is this error. I am using Matlab R2013 a. I have

      g= fit(z',y,'poly1');
      t1 = polyval(g,0.001).
 when I run this code  in matlab, I get this error

|_**Undefined function 'filter' for input arguments of type 'cfit'.

Error in polyval (line 57) y = filter(1,[1 -x],p);

Error in finite_size_scaling_cchargegap (line 50) t1 = polyval(g,0.001)**_|

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Janani Chander

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2 Answers

Answer by Andrei Bobrov on 26 Jun 2013
Accepted answer
t1 = feval(g,0.001)

1 Comment

Janani Chander on 26 Jun 2013

Thanks , this works.

Andrei Bobrov
Answer by David Sanchez on 26 Jun 2013

Try this out:

g= fit(z',y,'poly1');
P=[g.p1 g.p2];
t1 = polyval(P,0.001)

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David Sanchez

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