Search All of the Math Forum:

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

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: constrained multivariable functions
Replies: 6   Last Post: Mar 20, 2012 7:39 AM

 Messages: [ Previous | Next ]
 zheng chew Posts: 94 Registered: 11/8/10
Re: constrained multivariable functions
Posted: Mar 20, 2012 6:59 AM

Hi

I thought the equation is z = asin(2*y-x) with boundary conditions of y = (x-1)/2 or y = (x+1)/2. How can I solve for the possible x (or y values) so that pi/2<=z<=pi/2?

Thanks

"Matt J" wrote in message <jk5bfi\$8ag\$1@newscl01ah.mathworks.com>...
> "jun" wrote in message <jjq6hm\$np5\$1@newscl01ah.mathworks.com>...
> > Hi All
> >
> > How can I solve a multivariable function using matlab? I have no idea which function should be used.
> >
> > Here is an example question:
> > f(x,y) = asin(2*y-x)
> > so the boundary would be y = (x-1)/2 or y = (x+1)/2
> > and z = f(x,y) would be -pi/2<=z<=pi/2
> > How can I define the boundaries in matlab and get the values of x or y?

> =================
>
> I don't think anyone understands your question, which is why repeatedly reposting your original problem description isn't helping you.
>
> It is not clear what's to be solved here because you've presented a function, but no equation. What is the equation to be solved?

Date Subject Author
3/14/12 zheng chew
3/15/12 zheng chew
3/15/12 zheng chew
3/18/12 zheng chew
3/18/12 Matt J
3/20/12 zheng chew
3/20/12 Bruno Luong