im trying to plot a function i need help with it

Question

0 个投票

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

3 个评论
显示 1更早的评论隐藏 1更早的评论

Walter Roberson 2012-12-12

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 2012-12-12

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

Answer 1

Arthur 2012-12-12

0 个投票

t = [0:0.005:4];
y = 4.50*exp(-2.0*t).*cos(12*pi*t);
plot(t,y);
grid;

Arthur 2012-12-12

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