testsensit

testsensit - disp('now set theta=-2') pause A=subs(A,-2)...

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clear all A=sym('A'); c0=sym('c0'); b0=sym('b0'); c0=-[1 -1 1 1 1 -1 ]'; b0=[3 4 2]'; A0=[ -8 -3 12 1 0 0 -2 -1 6 0 1 0 3 1 -4 0 0 1 ]; A=[ -c0' 0 A0 b0 ] pause A=piv(A,3,2) A=piv(A,2,3) A=piv(A,4,6) disp('now complete the pivoting to complete new basis') pause theta=sym('theta') A=[ A(1,1:6) 0 A(1,7) A(2:4,1:6) zeros(3,1) A(2:4,7) 4 2 -6 0 0 0 1 theta ] A(5,:)=A(5,:)-A(5,2)*A(2,:) A(5,:)=A(5,:)-A(5,3)*A(3,:) As=A;
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Unformatted text preview: disp('now set theta=-2') pause A=subs(A,-2) disp('leaving: x_7, pivot row 5') disp('ratios for columns 1,5 only - tie - use smallest subscr. rule:') warning off A(1,:)./A(5,:) disp(' tie - use smallest subscr. rule:') disp('x_1 enters - pivot on element 5,1 ') pause A=piv(A,5,1) disp('NOTE: vbar is DECREASING') disp('row 2 indicates problem is INFEASIBLE')...
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This note was uploaded on 06/11/2011 for the course C 350 taught by Professor Wolkowicz during the Fall '97 term at Waterloo.

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