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# Problem 589. Matrix indexing with two vectors of indices

Solution 316033

Submitted on 6 Sep 2013 by Aritra Chatterjee
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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))

ans = 0.2061 0.5355 0.6837 0.9480

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))

ans = 0.1669 0.1669 0.1517 0.1669

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

ans = 0.2149

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

ans = []

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))

ans = 1 1 1 1 1

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