梦载代码

#include <iostream>#include <cstdio>#include <cmath>using namespace std;double A[1010][1010];double B[1010];double l;int main(){ int n; printf("请输入矩阵的阶数，如想要退出请按零:\n"...

#include <iostream>#include <cstdio>#include <cmath>#include <cstring>#include <bits/stdc++.h>using namespace std;double A[1010][1010];double B[1010];double X[10...

#include <iostream>#include <cstdio>#include <cmath>#include <cstring>using namespace std;double A[1010][1010];double B[1010];double X[1010];double X2[1010];int main...

clcclearn = input('请输入矩阵阶数：\n');for i = 1:n fprintf('请输入矩阵第%d行\n',i); A(i,:) = input('');end AB(:,1) = input('请输入B向量:\n');Bfor i = 1:n x(i) = 0; x2(i) = 0;endfor i =1:4 ...

clcclearn = input('请输入矩阵阶数：\n');for i = 1:n fprintf('请输入矩阵第%d行\n',i); A(i,:) = input('');end AB(:,1) = input('请输入B向量:\n');Bfor i = 1:n x(i) = 0;endfor i =1:4 for j = 1:n ...

#include <iostream>#include <cstdio>#include <cstring>#include <cmath>using namespace std;double A[1010][1010];double B[1010];double X[1010];void rowswap(int x,int y,i...

clc;clear;A(:,:)=input('请输入系数矩阵：\n');An = length(A);nB(1,:)=input('请输入B向量：\n');Bfor i = 1:n-1 tmp = A(i,i); pos = i; for j = i+1:n %寻找最大列； if A(j,i) > tmp ...

#include <iostream>#include <cstdio>#include <cstring>#include <cmath>using namespace std;double A[1010][1010];double B[1010];double X[1010];int sx[1010];void rowswap...

#include <iostream>#include <cstdio>#include <cmath>using namespace std;const double esp = 1e-8;//误差限；//f(x)=x^3+10x-20;   //函数double diedai(double Xn) //迭代求Xn+1；{    //doubl...