how to Convert matrix to different dimension

Hello,

i have a matrix of 1 row and 75 columns

but i want to covert into 25 rows and 3 columns,

that in this format

1st,2nd,3rd

4th,5th,6th

7th,8th,9th

so how can i convert that

for refence i have attached the file below

Answer 1

[Walter Roberson]

reshape(F_01, 3, 25).'

Answer 2

[madhan ravi]

reshape(yourmatrix,25,[])