e223.m

来自「matlab算法集 matlab算法集」· M 代码 · 共 19 行

%-----------------------------------------------------------------------
% Example 2.2.3: Singular A 
%-----------------------------------------------------------------------
   clc                 
   clear
   fprintf ('Example2.2.3: Singular A\n')
   A = [2 4 -8; 0 1 -2; 1 3 -6];
   b = [2 ; 6 ; 1];
   show ('A',A)
   show ('b',b)
   if det(A) ~= 0
      show ('x',A\b);
   else
      fprintf ('\nA is singular\n');
      wait
   end
%-----------------------------------------------------------------------