plot Discrate time signal

Please give me a sample completion code discrate time signal

[Star Strider]

Reprise of: How to Plot a Continues Tiime Signal

Answer 1

[Walter Roberson]

x = sort(rand(1,10));
y = rand(1,10);
stem(x, y)

[Muhammad Fauzan]

If this is the case x(t)u(1-t):

whats the solution?

[Walter Roberson]

u = @(t) (t>=0);
x = sort(rand(1,10)*5-2);
y = rand(1,10);
stem(x, y)
hold on
y2 = y .* u(1-x);
stem(x, y2, 'r')
hold off