Symbolic plotting of Fourier integral

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Shubham
Shubham on 30 Jan 2021
Commented: Star Strider on 30 Jan 2021
I want to plot M/P×a v/s (x/a) there are no values PS - The given equation is of bending Moment for an infinite beam

Accepted Answer

Star Strider
Star Strider on 30 Jan 2021
If there are no values, then there is no plot, since plots require numbers.
If you have values, make the appropriate substitutions here:
P = 42; % Create Variable Value
a = 5; % Create Variable Value
M = @(x,P,a) P*a/pi*integral(@(alfa) alfa.*cos(alfa.*x./a) ./ (alfa.^3+1), 0, Inf, 'ArrayValued',1);
x = linspace(0, 100);
figure
plot(x/a, M(x,P,a)./(P*a))
grid
to get the result you want.

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