% Practical 2d : sub2p2d.m
% Subject 1: 4.5.4, 4.6 and 4.7
% Subject 2: 2.8, 2.9, 2.10  and 2.12
clear;clc;format short
true
whos
a= 1==1
b=logical(1)
whos
'A'
c='abc'
whos ans c
'A'+0
length(c)
length('')
length(' ')
d=''''
length(d)
clear
a=1234.5
b=12345
sa=num2str(a)
sb=num2str(b)
c='12345'
d='1234.5'
nc=str2num(c)
nd=str2num(d)
length(c)
length(d)
length('a')
length(' ')
length('')
1234=='1234'
