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Multiple Curve Fitting Program HP-41
12-11-2021, 12:52 PM (This post was last modified: 12-11-2021 12:53 PM by PedroLeiva.)
Post: #21
RE: Multiple Curve Fitting Program HP-41
Try this, for HP97, 218 PGRM steps: https://openprairie.sdstate.edu/do/searc...1697&facet=
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12-11-2021, 02:07 PM
Post: #22
RE: Multiple Curve Fitting Program HP-41
(01-12-2018 05:39 AM)Graan Wrote:  Hello

Just came over the book(pdf): Curve Fitting for Programmable Calculators by William M. Colb. In the book is a multiple curve fitting program for HP-41 that seems interesting. I was thinking to convert it to HP42 code, if possible, and then use it with my DM42. The program is 927 lines however and the pdf is not selectable text so copying the program is not that easy. Guess I could do an OCR.
Anyone has this program in selectable text format?

/Andreas
Can you give us the link to your PDF? Or send it via message?
My idea: perhaps a converting PDF to TEXT processor can extract the lines (I will have to search which one in Linux or Windows), then cleaning up, perhaps we can come to a proper TXT file you can further use and avoid you to make a finger line by line coding.

HP71 & Multimod, HP41CV/CX & Nov64d, PILBOX, HP-IL-PRINTER 82162A, RS232 HP-IL interface, Debian11 64bits-PC w/ pyILPER, V41R9F & EMU71
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12-11-2021, 11:49 PM
Post: #23
RE: Multiple Curve Fitting Program HP-41
(12-11-2021 02:07 PM)floppy Wrote:  Can you give us the link to your PDF? Or send it via message?

I don't know about his PDF, but my PDF is probably higher quality (400 dpi 4-bit grayscale):

https://literature.hpcalc.org/items/1516

The OCR is unfortunately far from perfect. The "printer" font tends to give the algorithm problems.
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12-12-2021, 02:10 AM
Post: #24
RE: Multiple Curve Fitting Program HP-41
(12-11-2021 12:52 PM)PedroLeiva Wrote:  Try this, for HP97, 218 PGRM steps: https://openprairie.sdstate.edu/do/searc...1697&facet=

Thank you for posting this!
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12-12-2021, 02:16 AM
Post: #25
RE: Multiple Curve Fitting Program HP-41
(12-11-2021 11:49 PM)Eric Rechlin Wrote:  I don't know about his PDF, but my PDF is probably higher quality (400 dpi 4-bit grayscale):

https://literature.hpcalc.org/items/1516

Thank you for posting this!
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12-12-2021, 01:58 PM
Post: #26
RE: Multiple Curve Fitting Program HP-41
Is this what you are looking for:

https://openprairie.sdstate.edu/cgi/view...mentsta_tb

Felix
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12-12-2021, 02:28 PM
Post: #27
RE: Multiple Curve Fitting Program HP-41
(12-12-2021 01:58 PM)Felix Gross Wrote:  Is this what you are looking for:

https://openprairie.sdstate.edu/cgi/view...mentsta_tb

Felix

Yes. It was already posted. Thanks for your effort, though!
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