Question

哪里可以找到matlab programming for engineer的答案

Answer 1

二分法 function [approx_root,n]=bisect (a,b) %a,b为根的区间 fa =bifun(a); fb =bifun(b); n=0; while(abs(b-a)> 0.0001) c=(a+b)/2; approx_root=c; fc=bifun(c); [a,c,b;fa,fc,fb]; n=n+1; if ( sign(fb) * sign(fc)> A=[2 -1 0;-1 3 -1;