How to delete every "n thru m" rows?

I have a matrix which contians 27, 260 rows and one column. I need to delete every 151-181 rows of the data set. Is there a code with which I can do this? Essentially, instead of wanting to delete every "n" rows, I want to delete every "n thru m" rows. Thanks.

Answer 1

[David Hill]

I might not understand your question fully. What is the size of your matrix? (260x1)

yourMatrix(151:181,:)=[];%deletes rows in matrix

[Nicole Ralbovsky]

Thanks for the quick response. The matrix is 27460x1 and I would like to delete every 151-181 rows. So instead of deleting every 151 ("nth") row, I want to delete every 151-181 rows.

[David Hill]

Just add nan to end of matrix so you can reshape, and remove nan at end of operation.

yourMatrix(end+1:27512)=nan;
yourMatrix=reshape(yourMatrix,181,[]);
yourMatrix(151:181,:)=[];
yourMatrix=yourMatrix(:);
yourMatrix(isnan(yourMatrix))=[];