Cody

Problem 796. Removing rows from a matrix is easy - but what about inserting rows?

Solution 119453

Submitted on 27 Jul 2012 by Khaled Hamed
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This solution is outdated.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
%% A = 1; IND = 1; b = 1; y_correct = [1;1]; assert(isequal(insertRows(A, IND, b), y_correct))

ans = 1 1 ans = 1 1

2   Pass
%% A = [0 0; 1 1]; IND = [1 1 1 2]; b = NaN; y_correct = [0 0;NaN NaN;NaN NaN;NaN NaN;1 1;NaN NaN]; assert(isequalwithequalnans(insertRows(A, IND, b), y_correct))

ans = 0 0 1 1 NaN NaN NaN NaN NaN NaN NaN NaN ans = 0 0 NaN NaN NaN NaN NaN NaN 1 1 NaN NaN

3   Pass
%% A = [1 1; 3 3; 4 4]; IND = [1 3]; b = [2 2; 5 5]; y_correct = [1 1;2 2;3 3;4 4;5 5]; assert(isequal(insertRows(A, IND, b), y_correct))

ans = 1 1 3 3 4 4 2 2 5 5 ans = 1 1 2 2 3 3 4 4 5 5

4   Pass
%% A = (1:2:10)'; IND = 1:5; b = (2:2:10)'; y_correct = (1:10)'; assert(isequal(insertRows(A, IND, b), y_correct))

ans = 1 3 5 7 9 2 4 6 8 10 ans = 1 2 3 4 5 6 7 8 9 10

5   Pass
%% A = zeros(10,5); IND = [3,7]; b = rand(2,5); y_correct = [zeros(3,5); b(1,:); zeros(4,5); b(2,:); zeros(3,5)]; assert(isequal(insertRows(A, IND, b), y_correct))

ans = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.9604 0.9509 0.3367 0.3748 0.2643 0.1313 0.9051 0.1074 0.8542 0.9268 ans = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.9604 0.9509 0.3367 0.3748 0.2643 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.1313 0.9051 0.1074 0.8542 0.9268 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Suggested Problems

More from this Author1