Condition Number Demonstration

A=[1 0; 1.1 2];Theta=linspace(0,2*pi,100);x = cos(Theta);y=sin(Theta);X =[x;y];B = A*X;Mx=B(1,:);My=B(2,:);plot(Mx,My);

lvov@HG:~/CosmicFire/NC/MatlabCodes$ more Cond2019.m
%-- 02/11/2019 09:41:33 PM --%
%Condition Number Example, February 2019
theta=linspace(0,2*pi,50);
x = cos(theta)/2;y=sin(theta)/2;
plot(x,y);
A = [ 1 2; 3 4]
X = [ x;y];
Y = A*X;
Z1 = Y(1,:);Z2=Y(2,:);
plot(x,y,'r',Z1,Z2,'b');
xlim([-3,3]);ylim([-3,3]);
lvov@HG: