Cody

# Problem 43752. Vandermonde Matrix

Solution 1077100

Submitted on 8 Dec 2016 by Cecil Wilson
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 = 1:5; y_correct = [1,1,1,1,1;1,2,4,8,16;1,3,9,27,81;1,4,16,64,256;1,5,25,125,625]; assert(isequal(vandimat(x),y_correct))

vm = 1×5 cell array [1×5 double] [1×5 double] [1×5 double] [1×5 double] [1×5 double]

2   Pass
x = 1; y_correct = 1; assert(isequal(vandimat(x),y_correct))

vm = cell [1]

3   Pass
x = ones(1,20); y_correct = ones(20); assert(isequal(vandimat(x),y_correct))

vm = 1×20 cell array Columns 1 through 5 [1×20 double] [1×20 double] [1×20 double] [1×20 double] [1×20 double] Columns 6 through 10 [1×20 double] [1×20 double] [1×20 double] [1×20 double] [1×20 double] Columns 11 through 15 [1×20 double] [1×20 double] [1×20 double] [1×20 double] [1×20 double] Columns 16 through 20 [1×20 double] [1×20 double] [1×20 double] [1×20 double] [1×20 double]

4   Pass
x = 3.*ones(1,15); y_correct = repmat([1,3,9,27,81,243,729,2187,6561,19683,59049,177147,531441,1594323,4782969],15,1); assert(isequal(vandimat(x),y_correct))

vm = 1×15 cell array Columns 1 through 5 [1×15 double] [1×15 double] [1×15 double] [1×15 double] [1×15 double] Columns 6 through 10 [1×15 double] [1×15 double] [1×15 double] [1×15 double] [1×15 double] Columns 11 through 15 [1×15 double] [1×15 double] [1×15 double] [1×15 double] [1×15 double]

5   Pass
x = [1 5 2 4 3]; y_correct = [1,1,1,1,1;1,5,25,125,625;1,2,4,8,16;1,4,16,64,256;1,3,9,27,81]; assert(isequal(vandimat(x),y_correct))

vm = 1×5 cell array [1×5 double] [1×5 double] [1×5 double] [1×5 double] [1×5 double]

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