An Introduction to Economic Dynamics

B MATLAB^® CODES

B.1 CHAPTER 1

myfirstplot.m

x = linspace(0,2,100);	% variable vector x with
% 100 elements.
y = sin(2*pi*x);	% output
plot(x,y,’k’,’LineWidth’,2)	% Plot of x versus y
axis([0 2-2 2])	% Set figure axes
xlabel(’x’), ylabel(’y’)	% Name of axes
title(’My first plot’)	% The figure title

mysecondplot.m

x =0:4*pi/l00:4*pi;	% variable vector x with 100 elements,
yl = sin(x);	% output of the first function
y2 = 2*sin(x);	% output of the second function
y3 = sin(2*x);	% output of the third function
figure(l)	% open a new figure window
% called 1
hold on	% do not erase old plots
% when plotting
plot(x,yl,'k','LineWidth',2)% Plot of x versus yl;
% color=black (k);
% solid; width of ...