MATLAB: Finding data values correspondending to a certain sample.

Question

I have 575×1 matrix which tells me on what sample a certain Parkinson's disease symptom occurs. And I have accelerometer data synchronised to it, 3846×1. Now I want to know what the data values are at the sample a symptom occurs. So the 575×1 matrix is filled with values in between 0 and 3846. The result must be a 575×1 matrix with acceleromter data.

Could someone help me?

Answer 1

Index the data value array with the time array? Though it is not clear what you want to do with the time entries that are zero.