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Re: [Help-glpk] rfe: change confusing "Crashing..." message

From: Nigel Galloway
Subject: Re: [Help-glpk] rfe: change confusing "Crashing..." message
Date: Thu, 11 Jun 2009 12:52:33 +0100

You might find this helpful:

Which leads to:

  Normal-Time to produce a model  6-weeks;
  Crash-Time to produce a model 3-weeks;
  Client's expectation 2-days.

> ----- Original Message -----
> From: "Andrew Makhorin" <address@hidden>
> To: "Michael Hennebry" <address@hidden>
> Cc: "Robert Dodier" <address@hidden>, address@hidden
> Subject: Re: [Help-glpk] rfe: change confusing "Crashing..." message
> Date: Wed, 10 Jun 2009 22:00:33 +0300
> >> "Crashing" is a technique used to produce a good starting basis for the
> >> simplex method. This term is widely used; see for example:
> >> .
> > Whence the term "crashing"?
> > It never did make any sense to me.
> I used to frequently meet this technical term in the litearure.
> Not sure, but I think the term "crashing" was introduced in MPS/360.
> For example, the IBM OSL library has a "crash" routine named ekkcrsh,
> which is used to get a good starting basis.
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> Help-glpk mailing list
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