Cody

# Problem 42985. Vector multiplication

Solution 1533822

Submitted on 18 May 2018
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

2   Fail
v1 = [1 2]; v2 = [5 0 0]; v3_correct = [6 0 0 0]; assert(isequal(vmultiply(v1,v2),v3_correct)) assert(isequal(vmultiply(v2,v1),v3_correct))

Error using * Incorrect dimensions for matrix multiplication. Check that the number of columns in the first matrix matches the number of rows in the second matrix. To perform elementwise multiplication, use '.*'. Error in vmultiply (line 2) v3 = v1*v2; Error in Test2 (line 4) assert(isequal(vmultiply(v1,v2),v3_correct))

3   Fail
v1 = [9 9]; v2 = [9 9]; v3_correct = [9 8 0 1]; assert(isequal(vmultiply(v1,v2),v3_correct)) assert(isequal(vmultiply(v2,v1),v3_correct))

Error using * Incorrect dimensions for matrix multiplication. Check that the number of columns in the first matrix matches the number of rows in the second matrix. To perform elementwise multiplication, use '.*'. Error in vmultiply (line 2) v3 = v1*v2; Error in Test3 (line 4) assert(isequal(vmultiply(v1,v2),v3_correct))

4   Fail
v1 = [8 3 4 5 7 1 6 9 4 0 2 0 2 1 5 8 9 4]; v2 = [1 0 0 6 6 9 4 3 1 8 2 7 0 5 4 5 5]; v3_correct = [8 4 0 1 5 8 5 8 2 5 5 9 5 7 5 5 3 3 8 6 7 6 3 6 6 1 1 1 5 0 1 7 7 0]; assert(isequal(vmultiply(v1,v2),v3_correct)) assert(isequal(vmultiply(v2,v1),v3_correct))

Error using * Incorrect dimensions for matrix multiplication. Check that the number of columns in the first matrix matches the number of rows in the second matrix. To perform elementwise multiplication, use '.*'. Error in vmultiply (line 2) v3 = v1*v2; Error in Test4 (line 4) assert(isequal(vmultiply(v1,v2),v3_correct))