samer@4: function y=quant(q,x)
samer@4: % quant - Quantize values
samer@4: %
samer@4: % quant :: real ~'quantum', real~'values to quantize' -> real.
samer@4: %
samer@4: % Note: this function uses ceil, not floor or round to quantize.
samer@4: 
samer@4: y=q.*ceil(x./q);