% Matlab tutorial covered in class
% on 01/26
% Go to my.apps.utep.edu to access Matlab.
%to plot the exponential function
%and its Taylor Polynomial at a =0.

%To access the manual of Matlab 
% type: 
% help function name
%example: help plot

>>clear all;
>>clf ;
>>x=linspace(-1,1, 1e+4);
>>plot(x, exp(x),'*');
>>hold on ;
%Plotting the linear Taylor polynomial.
>>plot(x, 1 + x, '--') ; 
%Plotting the quadratic Taylor polynomial.
>>plot(x, 1 + x + x.*x/2,':' ) ;
%Plotting the cubic Taylor polynomial.
>>plot(x, 1 + x + x.*x/2 + x.*x.*x/(factorial(3)),'b--o');
%placing a labeling for each plotted graph
>>legend('exp(x)', 'p1(x)', 'p2(x)', 'p3(x)', 'Location', 'NorthWest' )
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Matlab tutorial covered in class
% on 01/26
%to generate the hexadecimal format for a given number.
%To access the manual of Matlab 
% type: 
% help function name
%example: help format
>>clear all;
>>format hex 
% To exit the format hex, type format short
>>15
402e000000000000
% This is different from the hex format we are used to, type unit8(15)
%to see the familiar hex format we are used to.
>>unit8(15)