quad with parameter

2012 3 18
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Edit Delete quad with parameter Matus asked less than a minute ago
Hi, i try to solve integral with quad and i want to use a parameter. when i put into matlab this code:
quad('cos(t.*314).^2',0,1)
n=2; %parameter
quad('cos(t.*314).^n',0,1,[],[],n)
the solution is not equal. Can you help me please. Thank you.

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Walter Roberson
Walter Roberson 2012-3-18

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You cannot pass in parameters the way you are attempting to in the second form. You need to use an anonymous function.
n = 2;
quad(@(t) cos(t*pi).^n, 0, 1)
Please review the quad documentation and notice that there is no possible parameter after "trace", and read the part about Parameterizing Functions.

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