MATLAB: How can i select part of column from matrix 2000*6

Question

x=m(:1)

its ok i'm already select column but i want part from column same 1400:1500 so i'm try already

example

x=m(:1,1400:1500)

but not work (error) so how can i take this part from column

Answer 1

acessing a range in a matrix?

x=10x10

x1=x(:,[5:7 9:10]);

 %it means your new matrix x1 consist of matrix all rows(:) and a column 
  range of 5-7 and 9-10