Error using mupadmex " MuPAD "

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sachin k
sachin k 2017-8-30
评论： sachin k 2017-8-31
I don't know Why I am getting the error "error using mupadmex......." in the following code, please help,
syms z myFun =@(m,n) int(hermiteh(m,z)*hermite(n,z),0,5) myFun(1,2)

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回答（1 个）

Steven Lord
Steven Lord 2017-8-30
Were you trying to call the hermiteH function? MATLAB is case sensitive so hermiteh and hermiteH are not the same function. There is no function named hermiteh in any MathWorks product, as far as I can see from a search. Nor is there a function named hermite.
When I changed both "hermiteh" and "hermite" to hermiteH evaluating the anonymous function worked.
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sachin k
sachin k 2017-8-31
Thank for writing!, but in my matlab version, I had saved the function manually by the name "hermiteh", and if call hermiteh(1,2), it gives 4, then what is wrong ??
sachin k
sachin k 2017-8-31

You please see this.

If I run the following code, lagu=@(j,k,l) feval(symengine,'laguerreL',j,k,l); ele1=@(j,k) lagu(j,k-j,-0.5)*(0.5).^(k-j); ele2=@(j,k) lagu(j,k-j,-0.5)*(-0.5).^(k-j); el=@(j,k) 0.5*i*(ele1(j,k)-ele2(j,k)); double(el(3,2)) res=bsxfun(el,1:2,(1:2).').

Then it give the answer of "double(el(3,2))" , but gives the following errors for "res"

"Error using mupadengine/feval (line 157) MuPAD error: Error: Second argument: Expecting an arithmetical expression. [laguerreL]

Error in @(j,k,l)feval(symengine,'laguerreL',j,k,l) Error in test (line 6) Error in @(j,k)lagu(j,k-j,-0.5)*(0.5).^(k-j) Error in @(j,k)0.5*i*(ele1(j,k)-ele2(j,k)) res=bsxfun(el,1:2,(1:2).')"

Please help

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