Cody

Solution 469970

Submitted on 11 Jul 2014 by rifat
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Test Suite

Test Status Code Input and Output
1   Pass
%% filetext = fileread('matpow.m'); assert(isempty(strfind(filetext, '^'))) assert(isempty(strfind(filetext, 'mpower')))

2   Pass
%% x=[1 2; -1 2]; y_correct=x^5; y=matpow(x,5); assert(max(abs(y(:)-y_correct(:)))<1e-5)

ans = -23 -22 11 -34

3   Pass
%% x=[1 2; -1 2]; y_correct=x^-3.5; y=matpow(x,-3.5); assert(max(abs(y(:)-y_correct(:)))<1e-5)

ans = -0.0532 - 0.0000i -0.0768 + 0.0000i 0.0384 - 0.0000i -0.0915 + 0.0000i

4   Pass
%% x=[1 2 3; 4 2 -1; -2 4 -3]; y_correct=x^6; y=matpow(x,6); assert(max(abs(y(:)-y_correct(:)))<1e-5)

ans = 8331 2170 2380 3790 9316 -535 -1220 3240 4791

5   Pass
%% x=[1 2 3; 4 2 -1; -2 4 -3]; y_correct=x^-4; y=matpow(x,-4); assert(max(abs(y(:)-y_correct(:)))<1e-5)

ans = -0.0009 0.0025 -0.0009 0.0020 -0.0002 0.0017 0.0026 -0.0009 -0.0016

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