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

Topic: defining domain for function
Replies: 4   Last Post: Oct 22, 2012 3:11 PM

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zheng chew

Posts: 94
Registered: 11/8/10
Re: defining domain for function
Posted: Oct 22, 2012 5:26 AM
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Sorry, it should be x not equal to -4 for the domain

"jun" wrote in message <k60u78$gca$1@newscl01ah.mathworks.com>...
> "Matt J" wrote in message <k60rf2$7op$1@newscl01ah.mathworks.com>...
> > "jun" wrote in message <k60mfn$lb0$1@newscl01ah.mathworks.com>...
> > > Hi all
> > >
> > > How can I define a domain for a function in matlab?
> > >
> > > For example, I have f(x) = 2-11/(x+4), domain is real and x not equal to 4, how can I write it in matlab and plot a grap of it?

> >
> > Are you sure the denominator shouldn't be x-4 ?




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