Hi all! I'm new to Mathematica.(adsbygoogle = window.adsbygoogle || []).push({});

I have written a code for performing a convolution integral (as follows) but it seems to be giving out error messages:

My code is:

a[x_?NumericQ] := PDF[NormalDistribution[40, 2], x]

b[k_?NumericQ, x_?NumericQ] := 0.0026*Sin[1.27*k/x]^2

c[k_?NumericQ, x_?NumericQ] := {a[x]*b[k, x]}

d[k_?NumericQ] := NIntegrate[c[k, x], {x, 0, Infinity}]

Plot [d[k], {k, 0, 350}]

It gives the following error message multiple times:

ntegrand c[0.00715,x] is not numerical at {x} = {124.67}

And the plot dosen't show up..!

Does anyone have any suggestions on how to fix it ?

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# Mathematica Mathematica: Convolution Integral

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