Cody

Problem 44401. Vertical matrix sort

Solution 1444777

Submitted on 20 Feb 2018 by Yair Fridman
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

This solution is outdated. To rescore this solution, sign in.

Solve This Problem View on Solution Map

Test Suite

Test Status Code Input and Output
1   Pass
x = []; y_correct = []; assert(isequal(upAndDown(x),y_correct))

x1 = [] x2 = [] y = []
2   Pass
x = 0; y_correct = [0;0]; assert(isequal(upAndDown(x),y_correct))

x1 = 0 x2 = 0 y = 0 0
3   Pass
x = zeros(10); x(7,4) = 1; y_correct = zeros(20,10); y_correct(10:11,4) = [1;1]; assert(isequal(upAndDown(x),y_correct))

x1 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 x2 = 0 0 0 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 y = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 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
4   Pass
x = [1 2 3 4]; y_correct = [1 2 3 4; 1 2 3 4]; assert(isequal(upAndDown(x),y_correct))

x1 = 1 2 3 4 x2 = 1 2 3 4 y = 1 2 3 4 1 2 3 4
5   Pass
x = [8 9 3 9; 9 6 5 2; 2 1 9 9]; y_correct = [2 1 3 2; 8 6 5 9; 9 9 9 9; 9 9 9 9; 8 6 5 9; 2 1 3 2]; assert(isequal(upAndDown(x),y_correct))

x1 = 2 1 3 2 8 6 5 9 9 9 9 9 x2 = 9 9 9 9 8 6 5 9 2 1 3 2 y = 2 1 3 2 8 6 5 9 9 9 9 9 9 9 9 9 8 6 5 9 2 1 3 2
6   Pass
x = 1:10; y_correct = [x; x];
7   Pass
x = (1:10)'; y_correct = [x; flipud(x)];
8   Pass
x = reshape(1:9,[3,3]); c = [1:3,3:-1:1]'; y_correct = [c,c+3,c+6];

Suggested Problems

More from this Author25

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!