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Delta Sigma Toolbox

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Delta Sigma Toolbox

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14 Jan 2000 (Updated )

High-level design and simulation of delta-sigma modulators

Editor's Notes:

This file was selected as MATLAB Central Pick of the Week

y=leftof(p,a,b)
function y=leftof(p,a,b)
%function y=leftof(p,a,b)
%Return 1 if the point p is to the left of the line ab.
%For a n x 2 list of points p, return a vector of results.
%
% Author: Richard Schreier, Oregon State University. <schreier@ece.orst.edu>

%Translate to the origin and do the check
p = p - a(ones(1,size(p,1)),:);
b = b-a;
y= b(1)*p(:,2) > b(2)*p(:,1);

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