Cody

# Problem 2493. Must be in the front row...

Solution 1609844

Submitted on 15 Aug 2018
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### Test Suite

Test Status Code Input and Output
1   Pass
matrix=magic(4); value=6; y_correct=[6 12 9 7; 15 1 4 14; 3 13 16 2; 10 8 5 11]; assert(isequal(front_row(matrix,value),y_correct))

r = 3 c = 3 y = 6 12 9 7 15 1 4 14 3 13 16 2 10 8 5 11

2   Fail
matrix=magic(5); value=3; matrix(3,2)=value; y_correct=[3 13 20 22 4; 12 19 21 3 10; 18 25 2 9 11; 24 1 8 15 17; 5 7 14 16 23]; assert(isequal(front_row(matrix,value),y_correct))

r = 3 4 c = 2 5 y = 16 23 5 7 14 22 4 3 13 20 3 10 12 19 21 9 11 18 25 2 15 17 24 1 8

Assertion failed.

3   Fail
matrix=magic(7); value=500; assert(isequal(front_row(matrix,value),matrix))

r = 0×1 empty double column vector c = 0×1 empty double column vector

Error using circshift Invalid shift type: must be a real finite integer vector. Error in front_row (line 3) y = circshift(circshift(matrix, -r+1)', -c+1)' Error in Test3 (line 3) assert(isequal(front_row(matrix,value),matrix))