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Solution 414637

Submitted on 6 Mar 2014 by Tim

Correct

218Size
Leading solution size is 73.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Pass
 
%% case 1
A = 1;
B = 2;
C = mtimesm(A,B);
C_correct = 2;
assert(isequal(C,C_correct))

                    
2
Pass
 
%% case 2
A = rand(2,3);
B = rand(3,4);
C = mtimesm(A,B);
C_correct = A*B;
assert(isequal(C,C_correct))

                    
3
Pass
 
%% case 3
A = rand(2,3);
B = 2;
C = mtimesm(A,B);
C_correct = 2*A;
assert(isequal(C,C_correct))

                    
4
Pass
 
%% case 4
A = rand(2,3,2);
B = rand(3,4,2);
C = mtimesm(A,B);
C_correct = cat(3,A(:,:,1)*B(:,:,1),A(:,:,2)*B(:,:,2));
assert(isequal(C,C_correct))

                    
5
Pass
 
%% case 5
A = rand(2,3,3);
B = rand(3,4);
C = mtimesm(A,B);
C_correct = cat(3,A(:,:,1)*B,A(:,:,2)*B,A(:,:,3)*B);
assert(isequal(C,C_correct))

                    
6
Pass
 
%% case 6
A = rand(4,3,1,2);
B = rand(3,2,2);
C = mtimesm(A,B);
C_correct(:,:,1,1) = A(:,:,1,1)*B(:,:,1);
C_correct(:,:,1,2) = A(:,:,1,2)*B(:,:,1);
C_correct(:,:,2,1) = A(:,:,1,1)*B(:,:,2);
C_correct(:,:,2,2) = A(:,:,1,2)*B(:,:,2);
assert(isequal(C,C_correct))

                    
7
Pass
 
%% case 7
A = rand(4,3,1,2);
B = rand(3,2,1,1,2);
C = mtimesm(A,B);
C_correct(:,:,1,1,1) = A(:,:,1,1)*B(:,:,1,1,1);
C_correct(:,:,1,1,2) = A(:,:,1,1)*B(:,:,1,1,2);
C_correct(:,:,1,2,1) = A(:,:,1,2)*B(:,:,1,1,1);
C_correct(:,:,1,2,2) = A(:,:,1,2)*B(:,:,1,1,2);
assert(isequal(C,C_correct))