Make the x-axis limit depend on the function y

Hi,

I'd like the maximum value of the x-axis to be at the point y=0.9 (graph is from 0 to 1 on the y-axis).

When I change the inputs in my function file, I want the x-axis to automatically stop when the line passes the theoretical y=0.9 line because the curve becomes asymptotic (to y=1) and makes the important bit hard to see.

Thanks.

Answer 1

[jackoboy9]

Figured it out. I used the find() syntax.

Answer 2

[KSSV]

Get the respective of x at y = 0.9..say it is xval..then use axis([0 xval 0 1]) after plotting

[jackoboy9]

I can't figure out how to do that because my function y is quite complicated.

[jackoboy9]

To expand, let's say the graph is a plot of y against x.

My y is:

m(:,:,3)

which is a matrix of values that come from a complicated equation involving a definite integral

and x is

v^2*t/(2*a)