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Simple problem with MATLAB code

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mouzid

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MATLAB Stupid Question

Hello,

Ho can say me what's wrong with my code:

r=1:.1:10
y=atan(5*r)-2*atan(r^-9)
plot(r,y)

Matlab says

??? Error using ==> mpower
Matrix must be square.

Error in ==> PM at 2
y=atan(5*r)-2*atan(r^-9)
 

Re: MATLAB Stupid Question

Add a dot before the expenential
r=1:.1:10
y=atan(5*r)-2*atan(r.^-9)
plot(r,y)
 

    M

    mouzid

    Points: 2
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