MATLAB: PROBELEM IN MY CODE (matlab r2011b)

execute script as a function

P=inline('sin(4*x + 4*y)','x','y')
Q=inline('cos (4*x-4*y)','x','y')
x=linspace(-4,4,20)
y=linspace(-4,4,20)
[X,Y]=meshgrid(x,y)
p=P(X,Y)
q=Q(X,Y)
quiver(X,Y,p,q)
My error
Attempt to execute SCRIPT inlineeval as a function: C:\Program Files\MATLAB\R2011b\toolbox\matlab\funfun\inlineeval.m
Error in inline/subsref (line 24) INLINE_OUT_ = inlineeval(INLINE_INPUTS_, INLINE_OBJ_.inputExpr, INLINE_OBJ_.expr);
Error in Untitled5 (line 6) p=P(X,Y);

Best Answer

My guess would be that you have a corrupted installation.
I never use inline functions myself; I prefer to use anonymous functions, or just to make direct calls as in your previous question
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