Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: Calculating a function
Replies: 6   Last Post: Mar 5, 2014 6:01 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
canon

Posts: 4
Registered: 3/4/14
Re: Calculating a function
Posted: Mar 4, 2014 8:37 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

TideMan <mulgor@gmail.com> wrote in message <4cf3e6a3-0939-448a-8bc7-61c486eb8de9@googlegroups.com>...
> On Wednesday, March 5, 2014 1:30:11 PM UTC+13, canon wrote:
> > Hi There
> >
> >
> >
> > I have a function f(x,y) and x=[a,b] and y=[c,d]. a, b, c and d are discrete variables. My question is I have to combine variable a,b, c and d and for each pair of (x,y) calculate f. How can I do that?
> >
> >
> >
> > Thanks

>
> It depends whether the function will accept x and y as scalars or vectors or matrices.
> If it will accept matrices, it's easy:
> x=linspace(a,b,nx); % nx is the no of points in x
> y=linspace(c,d,ny); % ny is the no of points in y
> [X,Y]=meshgrid(x,y);
> out=f(X,Y);


Thank you very much. To make my point more clear assume x=[2, 4, 5, 9] and y=[1, 4, 2, 8]. Technically we have 4*4=16 pairs of (x,y) and need 16 value for f. Could you please help me out?

thanks



Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.