It seems thta the function "polyfit" doesn´t work anymore in my Matlab, how can I solve this problem?
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I have a problem in working with the the function "polyfit". It seems that Matlab doesn´t recognise that function anymore.
this is my script:
x = [150 200 400 600 800 1000 1200 1400 1600];
y = [0 0.4 1.6 2.7 3.7 4.4 5.2 5.7 6];
p=polyfit(x,y,8);
this is the error messsage I get from Matlab:
Attempt to execute SCRIPT polyfit as a function:
C:\Users\pca02\Desktop\Documents\MATLAB\polyfit.m
Error in PVWPS (line 66)
p=polyfit(x,y,8);
How Can I solve this problem?
Thank you very much!
Pietro
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per isakson
2012-8-10
编辑:per isakson
2012-8-10
The error message indicates that the file, C:\Users\pca02\Desktop\Documents\MATLAB\polyfit.m, shadows the true polyfit.m. You seems to have created a file with the name polyfit.m
Run
which polyfit -all
it shall return something like
C:\Program Files\MATLAB\R2012a\toolbox\matlab\polyfun\polyfit.m
Rename your file, C:\Users\pca02\Desktop\Documents\MATLAB\polyfit.m, and run
p=polyfit(x,y,8);
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