MATLAB

enter

Clc

,

;

X x

X(4) 4

X(7)

X(1:4) 1-4

X=(1:20) X 1-20

X=(2:2:20) 2 2 () 20

X=(1:3:20) 1 3 20

3*3 ;

5*3

x = 1 2 3 4 5 6 7 8 9 10

plot(x) x= 1 2 3 4 5 6 7 8 9 10

x= 2 4 6 8 10 12 14 16 18 20

(x, y - -o)

Title (..)

x y