plq_scalar - Piecewise linear quadratic (plq), multiply a plq function by a scalar
The plq_scalar function multiplies a plq function by a constant.
//Example 1. Clear Duplicate Points normsquared = [%inf, 1/2, 0, 0]; negnormsquared = plq_scalar(normsquared,-1);
Mike Trienis, University of British Columbia, BC, Canada