[R] Finding Infimum in R

Boris Steipe boris.steipe at utoronto.ca
Mon Apr 10 03:18:30 CEST 2017


Is the function linear between the discontinuities?
Can you give an example of how the function is specified?

B.



> On Apr 9, 2017, at 8:38 PM, li li <hannah.hlx at gmail.com> wrote:
> 
> Hi Burt,
>    Yes, the function is monotone increasing and points of discontinuity
> are all known.
> They are all numbers between 0 and 1.  Thanks very much!
>   Hanna
> 
> 
> 2017-04-09 16:55 GMT-04:00 Bert Gunter <bgunter.4567 at gmail.com>:
> 
>> Details matter!
>> 
>> 1. Are the points of discontinuity known? This is critical.
>> 
>> 2. Can we assume monotonic increasing, as is shown?
>> 
>> 
>> -- Bert
>> 
>> 
>> 
>> 
>> Bert Gunter
>> 
>> "The trouble with having an open mind is that people keep coming along
>> and sticking things into it."
>> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>> 
>> 
>> On Sun, Apr 9, 2017 at 1:28 PM, li li <hannah.hlx at gmail.com> wrote:
>>> Dear all,
>>>  For a piecewise function F similar to the attached graph, I would like
>> to
>>> find
>>>                                        inf{x| F(x) >=0}.
>>> 
>>> 
>>> I tried to uniroot. It does not seem to work. Any suggestions?
>>> Thank you very much!!
>>>    Hanna
>>> 
>>> ______________________________________________
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>> posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>> 
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.



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