%% IDENTIFICATION
% Autar Kaw
% Section 002
% Fall 2012
% Due Date and Time: September 9, 2012

clc
clear all
%% Chapter 5 - Exercise X
A=[2  3  4 ; 5.2  6  7;   8  9  1];
disp('A matrix')
disp(A)
B=[4 6; 78  5;1  1];
disp('B matrix')
disp(B)
C=A*B;
disp('A*B')
disp(C)

%% Chapter 6 - Exercise XX
syms t
v=t^2+log(2*t);
fprintf('Expression for velocity %s',char(v))
tt=5;
v5=double(subs(v,t,tt));
fprintf('\nValue of velocity at t= %g is = %g',tt,v5)