Cody

Trial software

Problem 44247. Delete the column with all 0 !

Created by Noriko Hounoki

Solve Later

Delete the column with all 0 data in a matrix(x).

e.g.

input x =

     1     0     0     4
     5     0     7     0
     9     0    11     0

output y =

     1     0     4
     5     7     0
     9    11     0

Solve

Solution Stats

55 Solutions
29 Solvers

Last Solution submitted on May 24, 2020

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

David Verrelli on 22 Jun 2018

Should include some test cases with negative numbers in the Test Suite. For example, several submissions would fail for x = [1, −1; −1, 1].

Problem Recent Solvers29

Suggested Problems

Given a window, how many subsets of a vector sum positive

884 Solvers
Find max

1781 Solvers
Create a two dimensional zero matrix

287 Solvers
Evaluating a polynomial

246 Solvers
Sum all integers from 1 to 2^x

64 Solvers

More from this Author7

Probability of red tulips (at both ends of a row)

35 Solvers
Probability of red tulips

33 Solvers
Calculate feeling temperature before climbing a mountain

31 Solvers
Average of odd values

40 Solvers
Delete the column with all 0 in the TABLE

17 Solvers

Problem Tags

basic matlab

Trial software