How do I plot an equation?

How would I be able to plot the following equation into matlab : y=e^(-x/0.005)?

Answer 1

[Voss]

One way:

x = -0.02:0.0001:0.02;
y = exp(-x/0.005);
plot(x,y)

Another way:

y = @(x)exp(-x/0.005);
fplot(y,[-0.02 0.02])