What is wrong with this?
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Hey I wrote:
X=linspace (0,1,8)
Y=A (13:20,2)
(I had "A" form my last program)
P=polyfit (X,Y,7)
And it says error using polyfit X and Y vectors must be the same size! But they are same sized!!!I don't know what's wrong with it!
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Accepted Answer
the cyclist
on 5 Jan 2016
They have the same number of elements, but they are not the same shape. You need to transpose one of them.
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the cyclist
on 5 Jan 2016
P=polyfit(X,Y.',7)
FYI, you could have found this by trying
docsearch transpose
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