please i need the matlab code for this question

Question

0 个投票

1) Plot the signal x(t)=cost(ω_0 t) for 0≤t≤10 and ω_0=-2π,-π,π,2π

2) Assume x(t)=t,for 0≤t≤2. Plot x(t-1),x(-t+1),and-x(-t).

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Haroon 2013-12-27

Answer 1

Azzi Abdelmalek 2013-12-27

1 个投票

Use plot function

doc plot

Azzi Abdelmalek 2013-12-27

编辑：Azzi Abdelmalek 2013-12-27

Example

t=0:0.1:10
y=sin(t)
plot(t,y)

For more details look at

doc plot
help plot

Answer 2

Sean de Wolski 2013-12-27

编辑：Sean de Wolski 2013-12-27

0 个投票

t = (0:0.1:10).';
w_0 = linspace(-2*pi,2*pi,100);
surf(t*ones(size(w_0)),ones(size(t))*w_0,cos(t*w_0))