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
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### 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 ```