search for: normalcdf

Displaying 1 result from an estimated 1 matches for "normalcdf".

2002 Aug 06
3
hard to believe speed difference
...ivariate_truncated(double mean, double var, double lower, double upper) { double sd = Math.sqrt(var); lower -= .5; upper += .5; double left = (lower - mean)/sd; double right = (upper - mean)/sd; double prob2 = Statistics.normalCdf(right) - Statistics.normalCdf(left); while(true) { harvest = mean + ran_obj.nextGaussian()*sd; if(harvest>lower && harvest<upper) break; } harvest = Sfun.nearestInteger(harvest);...