ex5.m

来自「数值分析, 同济大学教材<<现代数值数学和计算>>数值分」· M 代码 · 共 21 行

A=[ 4  -1 0  0  0 0  0  0  0  0; 
   -1  4 -1  0  0 0  0  0  0  0; 
    0  -1 4 -1  0 0  0  0  0  0; 
    0  0  -1 4 -1 0  0  0  0  0; 
    0  0  0  -1 4 -1 0  0  0  0; 
    0  0  0  0  -1 4 -1 0  0  0; 
    0  0  0  0  0  -1 4 -1 0  0; 
    0  0  0  0  0  0 -1 4  -1 0; 
    0  0  0  0  0  0  0 -1 4  -1; 
    0  0  0  0  0  0  0  0 -1 4;]; 
  
d=[7 5 -13 2 6 -12 14 -4 5 -5]';

[L,U] = lu(A) 

result_Gauss = Gauss(A,d) 

result_Gauss2=Gauss2(A,d) 

result_chase=chase_after(A,d)