im trying to plot a function i need help with it

the questions says

plot the function

y = 50*2.5^-3x

in the interval 0<x<20

in steps of 0.5

[Merged information from duplicate question]

it should be in either log-log or semi-log scale

i need help

thank you

[Walter Roberson]

What have you achieved so far?

[Walter Roberson]

Matt Fig asked

 manar, you are dumping a lot of homework on this site without showing any hint of effort. What have you done so far?

and also said

Did you read this:

help plot
help loglog
help semilogx
help semilogy

[Walter Roberson]

Odd, this question was opened by manar jawad but taken over by bob shot ?

Answer 1

[Arthur]

t = [0:0.005:4];

y = 4.50*exp(-2.0*t).*cos(12*pi*t);

plot(t,y);

grid;

[Arthur]

ok. try to read help on matlab. it can help you