Spaces
Apps
Templates
Create
OriginLab Wiki
All content
Space settings
Shortcuts
Originlab Website
Originlab Website
This trigger is hidden
Origin Forums
Origin Forums
This trigger is hidden
Origin beta Forums
Origin beta Forums
This trigger is hidden
Content
Results will update as you type.
Origin 2025 Release Notes
Origin 2024b Release Notes
Origin 2024 Release Notes
Origin 2023b Release Notes
Origin 2023 Release Notes
Origin 2022b Release Notes
Origin 2022 Release Notes
Origin 2021b Release Notes
Origin 2021 Release Notes
Origin 2020b Release Notes
Origin 2020 Release Notes
Origin 2019b Release Notes
Origin 2019 Release Notes
Origin 2018b Release Notes
Origin 2018 Release Notes
Origin 2017 Release Notes
Origin 2016 Release Notes
Origin 2015 Release Notes
Origin 9.1 Release Notes
•
Origin 9.1 SR3 Features and Changes
•
Origin 9.1 SR3 Bug and Crash Fixes
•
Origin 9.1 SR3 Known Issues
•
Origin 9.1 SR2 Features and Changes
•
Origin 9.1 SR2 Bug and Crash Fixes
•
Origin 9.1 SR2 Known Issues
•
Origin 9.1 SR1 Features and Changes
•
Origin 9.1 SR1 Bug and Crash Fixes
•
Origin 9.1 SR1 Known Issues
Origin 9.1 Features
Graphing Features
Worksheet Features
Analysis Features
Fitting
•
Fit and Rank All Functions in a Category
•
BIC Test for Model Comparison
•
Fit Comparison Improvements
•
LR/PR: Show Parameter Values in Equation
•
Custom X Values for Fitted Curve
•
Enable ODR for Explicit Function Fit (Pro)
•
Add Fitted Surface to 3D Source Graph
•
Show Confidence Bands and Prediction Bands like Shades Around Fitted Curve
•
More Built-in Fitting Functions
•
Function to Estimate Initial Parameters for Rational Functions
•
Use Absolute Value as Weight for Fitting
Statistics
Mathematics
Peak Analyzer Improvements
•
LOWESS and LOESS Smoothing
Gadgets Improvements
•
Analysis on Virtual Matrix based Plot
Ease of Use Features
Importing/Exporting Features
Programming Improvements
Origin 9.1 Bug Fixes
•
Origin 9.1 Known Issues
File Exchange/App Release Notes
•
Origin Viewer Release Notes
•
Orglab DLL Release Notes
•
[Test] Junk
•
originpro Python Package Release Notes
OriginLab Wiki
/
/
Fitting
/
More Built-in Fitting Functions
Summarize
More Built-in Fitting Functions
Sam Fang
Wall-E
Owned by
Sam Fang
Last updated:
Nov 07, 2017
by
Wall-E
1 min read
Loading data...
(
ORG-3202
,
ORG-4463
,
ORG-5379
)
Origin9.1 provides more built-in fitting functions:
Piecewise category
PWL2
PWL3
Rational category
Rational5
Waveform category
SawtoothWave
SquareWave
Step
(Also in Baseline category)
{"serverDuration": 19, "requestCorrelationId": "3aa9ca762cdb418fbf2a1a83bc37cfe1"}