limiting range of row in matrix

I have a set of data consisting of 198x81 sets of score data. I would like to take the data only at 50x81. If I type score(:,1:81), it will execute all 198x81 data. can anyone help me?

thank you in advance

Answer 1

[Azzi Abdelmalek]

score(1:50,:)

[Jimmy]

thank you so much. it worked