Cody

# Problem 2063. A matrix of extroverts

Solution 1040308

Submitted on 31 Oct 2016 by Jakub Rysanek
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### Test Suite

Test Status Code Input and Output
1   Pass
x = magic(3); y = extroverts(x); y_c = [4.2500 4.7500 ; 5.2500 5.7500]; assert(max(max(abs(y-y_c)))<1e-9);

y = 4.2500 0 0 0 y = 4.2500 4.7500 0 0 y = 4.2500 4.7500 5.2500 0 y = 4.2500 4.7500 5.2500 5.7500

2   Pass
x = [1 2 3 ; 4 5 6]; y = extroverts(x); y_c = [3 4]; assert(max(max(abs(y-y_c)))<1e-9);

y = 3 0 y = 3 4

3   Pass
x=[magic(4) -magic(4)]; y = extroverts(x); y_c=[8.5 6.5 8.5 0 -8.5 -6.5 -8.5 8 8.5 9 1.5 -8 -8.5 -9 8.5 10.5 8.5 0 -8.5 -10.5 -8.5]; assert(max(max(abs(y-y_c)))<1e-9);

y = 8.5000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 0 0 0 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 0 0 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 1.5000 0 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 1.5000 -8.0000 0 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 1.5000 -8.0000 -8.5000 0 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 1.5000 -8.0000 -8.5000 -9.0000 0 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 1.5000 -8.0000 -8.5000 -9.0000 8.5000 0 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 1.5000 -8.0000 -8.5000 -9.0000 8.5000 10.5000 0 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 1.5000 -8.0000 -8.5000 -9.0000 8.5000 10.5000 8.5000 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 1.5000 -8.0000 -8.5000 -9.0000 8.5000 10.5000 8.5000 0 0 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 1.5000 -8.0000 -8.5000 -9.0000 8.5000 10.5000 8.5000 0 -8.5000 0 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 1.5000 -8.0000 -8.5000 -9.0000 8.5000 10.5000 8.5000 0 -8.5000 -10.5000 0 y = 8.5000 6.5000 8.5000 0 -8.5000 -6.5000 -8.5000 8.0000 8.5000 9.0000 1.5000 -8.0000 -8.5000 -9.0000 8.5000 10.5000 8.5000 0 -8.5000 -10.5000 -8.5000

4   Pass
x = ones(20); y = extroverts(x); y_c = ones(19); assert(max(max(abs(y-y_c)))<1e-9);

y = Columns 1 through 16 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 17 through 19 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 16 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 17 through 19 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 16 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 17 through 19 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 16 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 17 through 19 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 16 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

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