photo

Rachel


Texas A&M Research Foundation.

自 2013 起处于活动状态

Followers: 0   Following: 0

消息

统计学

  • Thankful Level 1

查看徽章

Feeds

排序方式:

提问


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 前 | 1 个回答 | 0

1

个回答

提问


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 前 | 1 个回答 | 0

1

个回答