Problem 44888. Given a matrix A (size m x n) create a matrix B which consists of matrix A sorted in descending order by columns and then by rows.

 ---------------
A=
[ 2 6 -3
7 12 0
-12 5 1]
---------------
B=

    [12     7     1
     6     2     0
     5    -3   -12];

Solution Comments

Problem Recent Solvers145

Suggested Problems

• Remove all the consonants

  4180 Solvers

• Back to basics 5 - Clipboard

  354 Solvers

• Test if two numbers have the same digits

  262 Solvers

• Find out magnitude of vector

  266 Solvers

• Replace every 3rd element in a vector with 4

  263 Solvers

More from this Author4

• Given a Vector v1, create v2 which is the sum of each two adjacent elements in v1. {length(v2)=length(v1)-1}

  161 Solvers

• Given a matrix A (size m x n) create a matrix B (size m+2 x n+2) which consists of matrix A surrounded by zeros. See Example below:

  155 Solvers

• Rearrange the given matrix to have all its zeros climb up to the top of each column - using for loops.

  137 Solvers

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

  151 Solvers