Cody

# Problem 44888. Given a matrix A (size m x n) create a matrix B which consists of matrix A sorted in descending order by columns and then by rows.

Solution 2884676

Submitted on 27 Aug 2020 by Jerry Wright
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### Test Suite

Test Status Code Input and Output
1   Pass
x = [2 6 -3 7 12 0 -12 5 1]; y_correct = [12 7 1 6 2 0 5 -3 -12]; assert(isequal(doubleSort(x),y_correct))

ans = 7 12 1 2 6 0 -12 5 -3 ans = 12 7 1 6 2 0 5 -3 -12

2   Pass
x = randi(10,5,8); assert(isequal(size(doubleSort(x)),size(x)))

ans = 9 8 7 10 10 10 9 7 8 8 6 9 9 8 8 6 8 6 6 8 6 7 6 6 7 3 2 3 6 2 2 2 6 1 1 1 6 1 2 2 ans = 10 10 10 9 9 8 7 7 9 9 8 8 8 8 6 6 8 8 7 6 6 6 6 6 7 6 3 3 2 2 2 2 6 6 2 2 1 1 1 1

3   Pass
x=magic(6); y_correct = ... [ 36 35 34 27 26 25 33 32 31 24 23 22 30 29 28 21 20 19 18 17 16 9 8 7 15 14 13 6 5 4 12 11 10 3 2 1]; assert(isequal(doubleSort(x),y_correct))

ans = 35 36 34 26 27 25 31 32 33 22 23 24 30 28 29 21 19 20 8 9 7 17 18 16 4 5 6 13 14 15 3 1 2 12 10 11 ans = 36 35 34 27 26 25 33 32 31 24 23 22 30 29 28 21 20 19 18 17 16 9 8 7 15 14 13 6 5 4 12 11 10 3 2 1

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