Problem 423. System of equations

Solution 118842

Submitted on 25 Jul 2012 by Noah

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Test	Status	Code Input and Output
1	Pass	%% a=[2 0 4; 2 4 8]; y_correct = [ 2 1 ]; assert(isequal(system_eq(a),y_correct)) qmr converged at iteration 2 to a solution with relative residual 4.1e-16. ans = 2 1
2	Pass	%% a=[1 -1 2 21; 0 2 5 21; 4 0 -3 21]; y_correct = [ 9 -2 5 ]; assert(isequal(system_eq(a),y_correct)) qmr converged at iteration 3 to a solution with relative residual 4.4e-16. ans = 9 -2 5
3	Pass	%% a=[ 3 3 0 6; 5 -7 1 -9; 9 3 -2 26]; y_correct = [1 1 -7]; assert(isequal(system_eq(a),y_correct)) qmr converged at iteration 3 to a solution with relative residual 9.8e-16. ans = 1 1 -7

Test

Status

Code Input and Output

Pass

%% a=[2 0 4; 2 4 8]; y_correct = [ 2 1 ]; assert(isequal(system_eq(a),y_correct))

qmr converged at iteration 2 to a solution with relative residual 4.1e-16. ans = 2 1

Pass

%% a=[1 -1 2 21; 0 2 5 21; 4 0 -3 21]; y_correct = [ 9 -2 5 ]; assert(isequal(system_eq(a),y_correct))

qmr converged at iteration 3 to a solution with relative residual 4.4e-16. ans = 9 -2 5

Pass

%% a=[ 3 3 0 6; 5 -7 1 -9; 9 3 -2 26]; y_correct = [1 1 -7]; assert(isequal(system_eq(a),y_correct))

qmr converged at iteration 3 to a solution with relative residual 9.8e-16. ans = 1 1 -7