Release Notes Version 7 9 1 and Peaksigmoid: Difference between pages
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imported>Scott (Created page with "==Changes and Bug Fixes in Version 7.9.1== {| {{table}} | align="center" style="background:#f0f0f0;"|'''File''' | align="center" style="background:#f0f0f0;"|'''Comment''' |-...") |
imported>Mathias |
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== | ===Purpose=== | ||
Outputs a sigmoid function. | |||
===Synopsis=== | |||
:[i0,iw] = peakfind(x,width,tolfac,w,options) | |||
:[i0,iw] = peakfind(x,width,options) | |||
====Inputs==== | |||
* '''x''' = 3 element vector where x(1) = coefficient, x(2) = offset and x(3) is equal to the decay constant | |||
* | |||
====Outputs==== | |||
<math>\sqrt{1-e^2}</math> | |||
<math>f\left( {{a}_{i}},\mathbf{x} \right)={{x}_{1}}\left[ {{x}_{4}}{{\operatorname{e}}^{\frac{-4\ln \left( 2 \right){{\left( {{a}_{i}}-{{x}_{2}} \right)}^{2}}}{x_{3}^{2}}}}+\left( 1-{{x}_{4}} \right)\left[ \frac{x_{3}^{2}}{{{\left( {{a}_{i}}-{{x}_{2}} \right)}^{2}}+x_{3}^{2}} \right] \right]</math> | |||
*'''<math>{\operatorname{d2}\!y\over\operatorname{d2}\!x}</math>''' | |||
* '''<math>{\operatorname{d}\!y\over\operatorname{d}\!{x}_{i}}</math>''' |
Revision as of 13:31, 1 August 2016
Purpose
Outputs a sigmoid function.
Synopsis
- [i0,iw] = peakfind(x,width,tolfac,w,options)
- [i0,iw] = peakfind(x,width,options)
Inputs
- x = 3 element vector where x(1) = coefficient, x(2) = offset and x(3) is equal to the decay constant
Outputs