change array into matrix

How to write a 4 values in rectangular grid a=[8 4 6 2]

it will become

a=

8 4
6 2

Answer 1

[Mischa Kim]

Use the reshape command.

b = reshape(a,2,2)

[Anusha]

This is ok.. how it will generate multiple numbers.. and the numbers are arranged into rectangular grid

[Mischa Kim]

Is this another question or are you confirming that the command does what you need it to do?

[Anusha]

if i have a array with 50 numbers how it will be converted into rectangular matrix