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Robert Vanderbei

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RE: How did it all start?

Posted By Robert Vanderbei 08-16-2025 06:29
Found In Egroup: INFORMS Open Forum \ view thread
The "link" to the first three minutes isn't clickable. I spent more than three minutes trying to figure out why. :-) ------------------------------ Robert Vanderbei Professor Princeton University Princeton NJ ------------------------------

5th Edition of my LP book is now published

Posted By Robert Vanderbei 05-06-2020 10:16
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I'm happy to report that the 5th edition of my book "Linear Programming: Foundations and Extensions" is now officially published... https://vanderbei.princeton.edu/LPbook/index.html P S.  The online version of the book contains many many direct links to newly updated versions of my online pivot ...

Slides from my Omega Rho talk

Posted By Robert Vanderbei 10-25-2019 18:34
Found In Egroup: INFORMS Open Forum \ view thread
I would like to thank everyone who came to my Omega Rho Plenary talk at the INFORMS conference. I don't think I've ever spoken to such a large audience before. It was amazing. I'm writing to let everyone know that the slide presentation from my talk is available online here: https://vanderbei.prince ...

Nominations for the Khachiyan Prize

Posted By Robert Vanderbei 04-28-2019 17:06
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We are getting close to the May 3 deadline for the submission of nominations for the Khachiyan Prize. If you have someone you think should be considered please send me an email message with a pdf file attachment outlining the merits of your nominee.   Full details on the nomination process can be found ...

RE: Plots using Python

Posted By Robert Vanderbei 01-26-2018 06:55
Found In Egroup: INFORMS Open Forum \ view thread
The package matplotlib provides much of the functionality one gets with Matlab. I'm sure the plot routine you want will be available within matplotlib. So, I recommend that you download the matplotlib package and then Google "create overlay histograms with matplotlib in python". ------------------------------ ...

RE: Significance of python compared to C#

Posted By Robert Vanderbei 01-25-2018 10:33
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Python is awesome. ------------------------------ Robert Vanderbei Professor Princeton University Princeton NJ ------------------------------

RE: Significance of python compared to C#

Posted By Robert Vanderbei 01-22-2018 10:48
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Good point. On my computer, I get the overflow answer for 93 but the right answer for 91 and 92: 91: 4660046610375530309 92: 7540113804746346429 93: -6246583658587674878 Of course, getting the wrong answer doesn't affect the cpu time. :-) --Bob Robert Vanderbei "All of the true things that I am ...

RE: Significance of python compared to C#

Posted By Robert Vanderbei 01-22-2018 08:19
Found In Egroup: INFORMS Open Forum \ view thread
This <NerdAlert> is very interesting.   I coded up two obvious fast versions and the slow version you mentioned (see code pasted below).   The two fast versions solve the n=171 problem in 0.001 seconds on my laptop computer while the slow version solves the n=50 problem in 60.2 seconds (and the ...

RE: Recommendations for Linear Programming textbook

Posted By Robert Vanderbei 01-16-2018 08:39
Found In Egroup: INFORMS Open Forum \ view thread
With my apology if this comes off as self-promotion, I think my textbook on linear programming would be a good alternative choice.   Here's a link to the Springer website:   http://www.springer.com/us/book/9781461476290 ------------------------------ Robert Vanderbei Professor Princeton University Princeton ...

Senior lecturer position at Princeton's ORFE department

Posted By Robert Vanderbei 10-27-2017 15:05
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The Department of Operations Research and Financial Engineering (ORFE), http://www.orfe.princeton.edu , seeks to appoint a full-time Senior Lecturer with expertise in statistics and probability. ORFE is a center of research and education in the fields of statistics, probability and optimization with ...

Tenure-track Assistant Professor positions at Princeton University Dept. of Ops. Res. and Fin. Eng.

Posted By Robert Vanderbei 09-26-2017 07:29
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The Department of Operations Research and Financial Engineering (ORFE) at Princeton University invites applications for two tenure-track faculty appointments at the Assistant Professor level starting September 1, 2018. While the search is open to all general areas of interest in the department including ...

Associate or Full Professor position at Princeton University Dept. of Ops. Res. and Fin. Eng.

Posted By Robert Vanderbei 09-26-2017 07:26
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The Department of Operations Research and Financial Engineering at Princeton University invites applications for tenured appointment at the Associate or Full Professor level starting September 1, 2018. All applicants working within the general areas of interest of the department will be considered. These ...

Faculty Position in Operations Research and Financial Engineering at Princeton University

Posted By Robert Vanderbei 11-02-2016 11:33
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The Department of Operations Research and Financial Engineering at Princeton University invites applications for a new tenure track faculty appointment at the assistant professor level starting September 1, 2017. All applicants working within the general areas of interest of the department will be considered. ...