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(Error using contour (line 46) Input arguments must be real. Use the function REAL to get the real part of the inputs.) any help plz
Your vector s has two complex entries (index 66 and 67), and this is carrying through to sx. Since you can't make a contour plot...

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How to move fitted plot along y axis
Why not just shift up the raw y data? [xData, tmp] = prepareCurveData( Fqr, Prem ); yData = tmp+pi/2; % shift up your y data v...

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How could I use MATLAB to solve for x with this equation, 0=a*x^(3)+b*x^(-1)+c.
A few things: First, you're missing a * between 0.062 and the ( that follows it. Second, I have no trouble solving this equati...

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How to access "D" notation for symbolic derivatives
I seem to have found a solution to this problem on my own. I'll post it here in case it's of help to anyone else. The key discov...

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Question

How to access "D" notation for symbolic derivatives
This question involves how to access certain dervatives of arbitrary (i.e., unknown) functions using the symbolic toolbox. This ...

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