Finding coefficients from 4 degree polynomial
显示 更早的评论
I want to find unknown coefficients A,B,C,D,E from 4 degree polynomial equation "y=Ax^4+Bx^3+Cx^2+Dx+E". x and y are already given in table.
回答（1 个）
Read about polyfit. This will help you to fit the required degree polynomial and also gives you the coefficients. Also have a look on polyval.
类别
在 帮助中心 和 File Exchange 中查找有关 Polynomials 的更多信息
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
Translated by 
