makeDesignMat(condi​tions,repeats)

Designed for psychological experiments, this function creates the randomised trial order

This function creates a matrix containing all the possible condition combinations (e.g. leftward motion + low contrast), with the desired number of repeats, and randomises the presentation order. All independent variables must be specified numerically.
Example:
motionDirection = [-1, 1];
contrast = [0, 0.5, 1]
conditions = {motionDirection, contrast};
repeats = 10;
desMat = makeDesignMat(conditions,repeats);

==> desMat is a 40 by 2 matrix. The rows correspond to trial number, and the 1st column is the motion direction and 2nd column the contrast.