Tag: linear regression

GX-TXT plot of absorbance residuals from linear calibration regression.

Lesson 10 – Interpolation and Fitting: An Analytical Calibration Curve

Written by Giux | Published on Nov 7, 2026 | No comments

In this GNU Octave with GX-TXT lesson, learn how to build an analytical calibration curve using linear interpolation, least-squares regression and polynomial fitting. Work with synthetic data, examine residuals, debug an interpolation error and publish scientific Datasets and plots through the public GX-TXT APIs.

#analytical calibration #calibration curve #curve fitting #Debugging #GNU Octave #GX-TXT #GX-TXT public APIs #interpolation #least squares #linear regression #polynomial fitting #residual analysis #scientific programming