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Rachel


Texas A&M Research Foundation.

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Question


How do I find all the positive roots of (e^(-.2x ))(cos(2x))-.15x^2+1
I only know how to do this with polynomials.

11 years ago | 1 answer | 0

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Question


How do I find all the positive roots of (e^(-.2x ))(cos(2x))-.15x^2+1
So far, I've done fun=@(x) exp^(-.2*x)*cos(2*x)-.15*x^(2)+1; x0=[-6: .1 :6]; z=fzero(fun,x0); Nothing happens.

11 years ago | 1 answer | 0

1

answer