fi=[0:pi/20:6*pi]; plot3(cos(fi),sin(fi),fi,'r'), grid

[pic]

plot3(sin(t),cos(t),t)

[pic]

plot3(sin(t),cos(t),t),grid

[pic]

(Defino el vector) x=-3:0.1:3 x =

Columns 1 through 7

-3.0000 -2.9000 -2.8000 -2.7000 -2.6000 -2.5000 -2.4000

Columns 8 through 14

-2.3000 -2.2000 -2.1000 -2.0000 -1.9000 -1.8000 -1.7000

Columns 15 through 21

-1.6000 -1.5000 -1.4000 -1.3000 -1.2000 -1.1000 -1.0000

Columns 22 through 28

-0.9000 -0.8000 -0.7000 -0.6000 -0.5000 -0.4000 -0.3000

Columns 29 through 35

-0.2000 -0.1000 0 0.1000 0.2000 0.3000 0.4000

Columns 36 through 42

0.5000 0.6000 0.7000