1. The document provides MATLAB commands and examples for defining matrices, accessing elements of matrices, performing operations on matrices, plotting functions, and calculating areas and statistics. 2. It includes MATLAB functions for inputting and calculating income tax based on salary ranges. 3. At the end, it asks to write commands to plot two functions as different line styles and colors using options from a provided table.

1. 1. Write the MATLAB commands to define the following m
1 3 5
. . 0.0 0.2 0.4 ... 99
atrices.
.6 9
MAT
9.8 10
2 4
LAB LA
6
B EXCERCISE
a G b F
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 0.0
(i) A(1:2,3) (ii) A(3,:)
1 2 3 4
2.Given A= 5 6 7 8 run following MATLAB commands
2 3
(iii) A(:,3) (iv) A(1:2,1
1 4
1 2 4 2 2
3.Given A= 1 1 1 and B=
2 3
:4
1
)
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2
2 2 2 find
2 2 2
1 -1 4
4.Given X= 1 1 -2 run following MATLAB commands
2 4 1
(a)A>B (b) A*B (c)A' (d)A/2
(i) diag(X) (ii) triu(X) (iii)tril(X)
5.Draw the Graph of y= x
e
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2
over the
6.Draw the function over the .
7.Tabulate the function an
interval -1.5 to 1.5
plot of sine interval -4 to 4
y=4sin3x u=3sin4d for .
8.The area
x x=0,0.1,0.
A of a tri
2..
ang
......,0
le w
.5
ith sides of length a,b and c is given by
. write a matlab function that will accept the values
a,b and c as input
s=
a
(a+b+
nd return the value of A as outp
A= ( )( )( )
ut
2
.
c)/wher
s s a s c
e
b s  

2. 2
2
1/3
9.Draw the plot of the functions
1 1
2 2
10.Given A= find
3 3
4
4 for
10
-6 2
f(x) for -2 2
( 6) for 2 6
(a)average (b) median (c)std
0
11. Display triangle a
x
e x
x x
x x
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s follow:(using loops)
12. Find the solution of the equation
1
2 3
4 5 6
7 8 9 10
s . by writing matlab function.
13. Input the salary
inx
pa
=2x-2
ckag
* >Rs 3,50,000 then 12% of total income
*
e of the different persons. The income Tax to be
Between Rs 3,50,000 and 2,50,000 then 10% of tot
paid
are as follows
al income
* Betwee
if..el
.
Use state
n Rs 2,50,000 and
se funct
1,50,000 then 7% of tot
ment & to calculate the incom
al income
*
e tax to be paid by
Below Rs 1,50,000 then no
the
different persons.
14.W
t
r
ions
ax
ite a read and write damatlab program to from textta file.
15. Given the following table of line and color options, write the MATLAB command to
generate a plot for x vs y1 as a dotted green line and x vs y2 as a dashed red line.
Line Type Indicator Color Indicator
dotted : green g
dashed -- red r