e252.m

matlab算法集 matlab算法集

%-----------------------------------------------------------------------
% Example 2.5.2 Norms
%-----------------------------------------------------------------------
   clc                 
   clear
   fprintf ('Example 2.5.2: Norms')
   A = [4 -6 9 ; 5 8 -2 ; 7 -3 1];
   b = [-1 ; 12 ; 13];
   show ('A',A)
   show ('||A||',norm(A,inf))
   show ('b',b)
   show ('||b||',norm(b,inf))
   disp ('Ax = b where:')
   x = A\b;
   show ('x',x)
   show ('||x||',norm(x,inf))
 %-----------------------------------------------------------------------