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MathGroup Archive 2000

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RE: matrix indices

  • To: mathgroup at smc.vnet.net
  • Subject: [mg25324] RE: [mg25293] matrix indices
  • From: "David Park" <djmp at earthlink.net>
  • Date: Sat, 23 Sep 2000 03:35:48 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Roberto,

This create a monitor notebook and writes the progress statements into it.
When you are finished, use NotebookClose to get rid of the monitor notebook.

monitornb =
    NotebookCreate[WindowSize -> {300, 300},
      WindowMargins -> {{Automatic, 20}, {20, Automatic}},
      WindowTitle -> "Matrix Progress"];
mat = Table[0, {i, 3}, {j, 3}];
Do[
  mat[[i, j]] = i + j;
  NotebookWrite[
    monitornb,
    Cell[BoxData[ToBoxes[SequenceForm["i = ", i, "  ", "j = ", j]]],
      "Output"]
    ],
  {i, 3}, {j, 3}]; mat
{{2, 3, 4}, {3, 4, 5}, {4, 5, 6}}

NotebookClose[monitornb]

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/

> -----Original Message-----
> From: Roberto Brambilla [mailto:rlbrambilla at cesi.it]
To: mathgroup at smc.vnet.net
> Hi, dear MG-friends
> I have to build a matrix whose elements A[i,j] are the result
> of a lengthly numerical computation.
> To control the status of matrix implementation,
> in the code, inside the loops, I put the obvious program line
>
> Print["i=",i,"  j=",j]
>
> That's OK but, at the end, the notebook is filled of useless lines
> to be erased by hand.
> Any idea how to see indices i,j in a small window
> (as in a gasoline pump), or at least
> how to erase automatically the print-lines ?
> Thank you in advance
> Rob
> Roberto Brambilla
> CESI
> Via Rubattino 54
> 20134 Milano
> tel +39.2.2125.5875
> fax +39.2.2125.610
> rlbrambilla at cesi.it



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