Matlab Basic Exercise

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