Page 20 - Applied Numerical Methods Using MATLAB

BASIC OPERATIONS OF MATLAB 9
90
120 60 30
150 0.5 30
20
180 0
10
210 330
240 300 0 0 1 2
270 10 10 10
(a) polar (th, r) (b) semilogx (x, y)

10 2 10 2

10 1 10 1

10 0 10 0
0 20 40 60 10 0 10 1 10 2
(c) semilogy (x, y) (d) loglog (x, y)
Figure 1.3 Graphs drawn by various graphic commands.

3 3

2 2

1 1

0 0
1 2 3 4 1 2 3 4
(a) stairs ([1 3 2 0]) (b) stem ([1 3 2 0])
6

4 2

2 1
0
1 2 0 2 4 6
(c) bar ([2 3; 4 5]) (d) barh ([2 3; 4 5])
3 3

2 2
1 1

0 0
0 1 2 3 0 1 2 3
(e) hist ([0.3 .. 2.4], 3) (f) hist ([..], [0.5 1.5 2.5])
Figure 1.4 Graphs drawn by various graphic commands.