%Class for CO907, Fri, Week 1.
%__________________________________________
%Author: Jiarui Cao
%Date: 8 Nov 2013
%Purpose: Sheet1. Queation 1.5a


close all;
clear all;
clc;
clf;


m=200;
Mu=[0,1];
Sigma=[1,-1;-1,2];
%Sigma=[1,1;1,2];

Data=mvnrnd(Mu,Sigma,m); %generate data

CovMatrix=cov(Data); %compute covariance matrix

scatter(Data(:,1),Data(:,2)); %make scatter plot

title('Scatter Plot');
xlabel('X');
ylabel('Y');