how to create a function that takes a matrix and how to call it ?

.

[per isakson]

See function, Declare function name, inputs, and outputs

Answer 1

[Matt J]

The INPUT function, e.g.,

      >> A=input('\n Give me a matrix: ')

      Give me a matrix: [1 2;3 4]

      A =

           1     2
           3     4