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| Newsgroups | comp.graphics.apps.gnuplot |
| Date | Tue, 27 Jun 2017 12:40:49 -0700 (PDT) |
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| Subject | Re: Undefined value during function evaluation |
| From | schmidtanna114@gmail.com |
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Thank you Karl, I will cancle the b, you are right. But the angles are no Problem, because there are no angles in my data. I use the arcustangens to get the angle and then insert it into the sinus. So arctan((x-d)/e) is the angle and gnuplot will charge it in radiands. (x-d) and e have the unit mm, and their unit does not matter, because they cancle. But maybe there is a problem with the "big" sinus... (sin((pi*b*sin(atan((x-d)/e)))/c))**2 Could be, you are right. I will change to degree and try again, thank you. And yes, the function is already close to the data before fitting. I have to use this funktion for my data, there is no easier one for this problem. Anna
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Undefined value during function evaluation schmidtanna114@gmail.com - 2017-06-27 06:54 -0700 Re: Undefined value during function evaluation Karl Ratzsch <mail.kfr@gmx.net> - 2017-06-27 18:01 +0200 Re: Undefined value during function evaluation schmidtanna114@gmail.com - 2017-06-27 12:40 -0700 Re: Undefined value during function evaluation Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2017-06-27 21:44 +0200 Re: Undefined value during function evaluation schmidtanna114@gmail.com - 2017-06-28 07:16 -0700
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