Calculating mean-squared displacement (msd) with MATLAB

Question

This is part of a matlab intro course for biologists. I have my data points (for a single particle!) in a matrix with 4 columns (time, x, y, z) and a few thousand rows. What

Answer 1

Note that there's a MATLAB class available to do MSD analysis: MSD analyzer, including extensive documentation and tutorials.

Basic usage:

ma = msdanalyzer(2, SPACE_UNITS, TIME_UNITS);
ma = ma.addAll(tracks);
ma = ma.computeMSD;