soving polynomial equation with negative powers

2013 7 4
2 个回答
回答已采纳
4 次查看（30 天）

0 个投票

-HELLO how can I find the zeros of this equation : ax^(-1)+bx^(-2)+cx^(-3)+...=0

请先登录，再回答此问题。

 采纳的回答

Walter Roberson
Walter Roberson 2013-7-4

2 个投票

If the last term is Z * x^(-P), then multiply the equation by x^P, transforming it into
a*x^(P-1) + b*x^(P-2) + c*x^(P-3) + .... Z = 0
then you can use roots()
If you think about this for a second, you can see that you can skip the roots() step if your coefficients are arranged in the right order.

类别

在 帮助中心 和 File Exchange 中查找有关 Polynomials 的更多信息

产品

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by