Dear all, I got an output file with me which contains total 1000 numbers in it.I need to filter according to following CRITERIS .. KINDLY SUGGEST

Dear all, I got an output file with me which contains total 1000 numbers in it.I need to pick the first 50 numbers and remove the next 50 upto the end(i.e. pick 1-50 aNd remove 50-100,again pick 100-150 and remove 150-200 and goes on upto 1000..)Kindly suggest how to do this using matlab.

Answer 1

[Guillaume]

The mod function is your friend:

indices = 1:1000;
validindices = indices(mod(indices-1, 100) < 50);
datatokeep = data(validindices)

Note that I assume you want to keep elements 101-150 and not 100-150.

[Ajay Parottil]

thanks a lot sir

[Ajay Parottil]

consider the following numbers.[.2,.8,55,67,689,47,105,.3,.45,67] sir kindly suggest me a program to pic the first two and remove next two..so my answer should be likely [.2,.8,689,47,.45,67]