Cody

Problem 589. Matrix indexing with two vectors of indices

Solution 1077993

Submitted on 9 Dec 2016 by ABDELRAHMAN
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Test Suite

Test Status Code Input and Output
1   Pass
M = rand(4); a = [4 3 2 1]; b = [1 2 3 4]; v_correct = M([4 7 10 13]); assert(isequal(twoIndex(M,a,b),v_correct))

y = [] y = 0.6909 y = 0.6909 0.9484 y = 0.6909 0.9484 0.2459 y = 0.6909 0.9484 0.2459 0.2947

2   Pass
M = rand(4); a = [3 3 1 3]; b = [1 1 3 1]; v_correct = M([3 3 9 3]); assert(isequal(twoIndex(M,a,b),v_correct))

y = [] y = 0.4241 y = 0.4241 0.4241 y = 0.4241 0.4241 0.2976 y = 0.4241 0.4241 0.2976 0.4241

3   Pass
M = rand(100); [a,b] = size(M); v_correct = M(end); assert(isequal(twoIndex(M,a,b),v_correct))

y = [] y = 0.1222

4   Pass
M = rand(100); a = []; b = []; assert(isempty(twoIndex(M,a,b)))

y = []

5   Pass
M = 1; a = [1 1 1 1 1]; b = [1 1 1 1 1]; v_correct = [1 1 1 1 1]; assert(isequal(twoIndex(M,a,b),v_correct))

y = [] y = 1 y = 1 1 y = 1 1 1 y = 1 1 1 1 y = 1 1 1 1 1

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