Problem 2045. Only once: cleaning up your columns

 [ 0 0 1 1

   0 1 0 1

   0 0 1 1 ] 
becomes 
 [ 0 0 1 1

   0 1 0 0

   0 0 0 0 ] 

Solution Comments

Problem Recent Solvers32

Suggested Problems

• Create a cell array out of a struct

  2082 Solvers

• Test if two numbers have the same digits

  246 Solvers

• Sum of first n positive integers

  591 Solvers

• Is this triangle right-angled?

  5961 Solvers

• Find the dimensions of a matrix

  531 Solvers

More from this Author31

• Schrödinger dog

  24 Solvers

• Convert nested struct-array to numeric array

  6 Solvers

• Three grind is shipsstraigt

  45 Solvers

• Wrap a vector, but insert NaN's at the wrap-positions.

  20 Solvers

• Create a random vector of integers with given sum

  56 Solvers