Cody

# Problem 792. Set some matrix elements to zero

Solution 3483844

Submitted on 30 Oct 2020 at 18:20 by Sibi
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 = [1 2 3 4 5 5 6 5 7 9 8 3]; y_correct = [0 0 0 4 0 0 6 0 0 9 0 0]; assert(isequal(your_fcn_name(x),y_correct))

z1 = 0 0 0 4 z = 0 0 0 4 z1 = 0 0 6 0 z = 0 0 0 4 0 0 6 0 z1 = 0 9 0 0 z = 0 0 0 4 0 0 6 0 0 9 0 0 z = 0 0 0 4 0 0 6 0 0 9 0 0

2   Pass
x = magic(4); y_correct = [16 0 0 0 0 11 0 0 0 0 0 12 0 0 15 0]; assert(isequal(your_fcn_name(x),y_correct))

z1 = 16 0 0 0 z = 16 0 0 0 z1 = 0 11 0 0 z = 16 0 0 0 0 11 0 0 z1 = 0 0 0 12 z = 16 0 0 0 0 11 0 0 0 0 0 12 z1 = 0 0 15 0 z = 16 0 0 0 0 11 0 0 0 0 0 12 0 0 15 0 z = 16 0 0 0 0 11 0 0 0 0 0 12 0 0 15 0

3   Pass
x = pi; y_correct = pi; assert(isequal(your_fcn_name(x),y_correct))

z1 = 3.1416 z = 3.1416 z = 3.1416

4   Pass
x = 0; y_correct = 0; assert(isequal(your_fcn_name(x),y_correct))

z1 = 0 z = 0 z = 0

5   Pass
x = toeplitz(1:5); y_correct = [ 0 0 0 0 5 0 0 0 0 4 3 0 0 0 0 4 0 0 0 0 5 0 0 0 0]; assert(isequal(your_fcn_name(x),y_correct))

z1 = 0 0 0 0 5 z = 0 0 0 0 5 z1 = 0 0 0 0 4 z = 0 0 0 0 5 0 0 0 0 4 z1 = 3 0 0 0 3 z = 0 0 0 0 5 0 0 0 0 4 3 0 0 0 0 z1 = 4 0 0 0 0 z = 0 0 0 0 5 0 0 0 0 4 3 0 0 0 0 4 0 0 0 0 z1 = 5 0 0 0 0 z = 0 0 0 0 5 0 0 0 0 4 3 0 0 0 0 4 0 0 0 0 5 0 0 0 0 z = 0 0 0 0 5 0 0 0 0 4 3 0 0 0 0 4 0 0 0 0 5 0 0 0 0

6   Pass
x = ones(5); y_correct = [ 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0]; assert(isequal(your_fcn_name(x),y_correct))

z1 = 1 1 1 1 1 z = 1 0 0 0 0 z1 = 1 1 1 1 1 z = 1 0 0 0 0 1 0 0 0 0 z1 = 1 1 1 1 1 z = 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 z1 = 1 1 1 1 1 z = 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 z1 = 1 1 1 1 1 z = 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 z = 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0

7   Pass
x =nchoosek(7:9,3); y_correct =[ 0 0 9]; assert(isequal(your_fcn_name(x),y_correct))

z1 = 0 0 9 z = 0 0 9 z = 0 0 9

8   Pass
x =nchoosek(4:9,2); y_correct = [ 0 5 0 6 0 7 0 8 0 9 0 6 0 7 0 8 0 9 0 7 0 8 0 9 0 8 0 9 0 9]; assert(isequal(your_fcn_name(x),y_correct))

z1 = 0 5 z = 0 5 z1 = 0 6 z = 0 5 0 6 z1 = 0 7 z = 0 5 0 6 0 7 z1 = 0 8 z = 0 5 0 6 0 7 0 8 z1 = 0 9 z = 0 5 0 6 0 7 0 8 0 9 z1 = 0 6 z = 0 5 0 6 0 7 0 8 0 9 0 6 z1 = 0 7 z = 0 5 0 6 0 7 0 8 0 9 0 6 0 7 z1 = 0 8 z = 0 5 0 6 0 7 0 8 0 9 0 6 0 7 0 8 z1 = 0 9 z = 0 5 0 6 0 7 0 8 0 9 0 6 0 7 0 8 0 9 z1 = 0 7 z = 0 5 0 6 0 7 0 8 0 9 0 6 0 7 0 8 0 9 0 7 z1 = 0 8 z = 0 5 0 6 0 7 0 8 0 9 0 6 0 7 0 8 0 9 0 7 0 8 z1 = 0 9 z = 0 5 0 6 0 7 0 8 0 9 0 6 0 7 0 8 0 9 0 7 0 8 0 9 z1 = 0 8 z = 0 5 0 6 0 7 0 8 0 9 0 6 0 7 0 8 0 9 0 7 0 8 0 9 0 8 z1 = 0 9 z = 0 5 0 6 0 7 0 8 0 9 0 6 0 7 0 8 0 9 0 7 0 8 0 9 0 8 0 9 z1 = 0 9 z = 0 5 0 6 0 7 0 8 0 9 0 6 0 7 0 8 0 9 0 7 0 8 0 9 0 8 0 9 0 9 z = 0 5 0 6 0 7 0 8 0 9 0 6 0 7 0 8 0 9 0 7 0 8 0 9 0 8 0 9 0 9

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