Cody

Problem 44889. Given a matrix A return a vector of the product of the elements in each column using a loop without using prod.

Solution 1806230

Submitted on 5 May 2019 by Binbin Qi
  • Size: 16
  • This is the leading solution.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.
Solve This Problem View on Solution Map

Test Suite

Test Status Code Input and Output
1   Pass
x = [8 10 9 9 1 8 3 2 4 4 10 4 6 2 7 7 1 6 4 1]; y_correct = [4480 120 648 288 28]; assert(isequal(ProdMat(x),y_correct))
2   Pass
x = [7 4 1 4 5 3 7 5 7 1 6 6 6 9 8 2 2 8 6 7 9 8 4 9 6 7 5 1 2 8 9 3 5 5 7 9]; y_correct = [42 336 432 1728 540 1080 420 490 2520]; assert(isequal(ProdMat(x),y_correct))
3   Pass
filetext = fileread('ProdMat.m'); assert(isempty(strfind(filetext, 'regexp')),'regexp hacks are forbidden')
4   Pass
filetext = fileread('ProdMat.m'); assert(isempty(strfind(filetext, 'prod')),'prod() function is forbidden')
5   Pass
filetext = fileread('ProdMat.m'); assert(isempty(strfind(filetext, '!echo')),'!echo hacks are forbidden')

Suggested Problems

More from this Author4

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!