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How to write this function in MATLAB?

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Anh Thu
Anh Thu 2018-8-17
关闭： MATLAB Answer Bot 2021-8-20
Help me write the function K in Matlab.
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Torsten
Torsten 2018-8-17
编辑：Torsten 2018-8-17
F = @(r) 1i/4*besselh(0,5*r.^2).*r;
R = 1.0;
sol = 2*pi*integral(F,0,R)
Walter Roberson
Walter Roberson 2018-8-17
Multiply the area of one period by the number of periods in each direction.
As "periodic" almost always means infinite number of periods, then you know that there are only two possible answers: either the area of each period is 0 and so the infinitely extended area would be 0, or else the area of each period is non-zero and so the infinitely extended area would be infinite. As an examination shows the area to be be non-zero and complex, the infinitely extended area would be a complex infinity.

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