Code Snippets

These are snippets of user-contributed Igor code that serve a specific purpose.

Fit a circle to 2D coords (least squares method)

May 24, 2022 Analysis Curve Fitting

Multipeak Fit: Fit your experimental data with ... your experimental data?!

April 4, 2022 Analysis Curve Fitting Utilities

Multipeak Fit: Use experimental data for Tougaard background

April 4, 2022 Analysis Curve Fitting Programming

Piecewise cubic Hermite interpolating polynomial (PCHIP)

February 11, 2018 Analysis Curve Fitting

Asymmetric least squares smoothing

September 20, 2017 Analysis Curve Fitting Programming

Catmull Rom spline

June 15, 2017 Curve Fitting

Fit to complex-valued functions

August 20, 2015 Curve Fitting

QENS fit functions - jump diffusion

September 27, 2011 Curve Fitting

A fit function for QENS data.

April 6, 2011 Curve Fitting

A basic chebyshev fit function

October 1, 2010 Curve Fitting

Normalized Derivative Peak Functions

August 7, 2010 Analysis Curve Fitting

Writing Results of a Curve Fit to a Notebook

July 28, 2010 Curve Fitting

Making a fitfunction multithreaded

April 28, 2010 Curve Fitting

Fit And Graph a List of XY Pairs

May 14, 2008 Curve Fitting

Rapid fitting of exponentials

April 1, 2008 Curve Fitting

Confidence bands after a fit

March 14, 2008 Curve Fitting

List of fitting functions for a menu

September 28, 2007 Curve Fitting Programming User Interface

Creating a wave from the history created by a curvefitting operation

September 18, 2007 Curve Fitting Utilities




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