You can subtract any function you defined.
The three smoothing methods including adjacent averaging are available. Last version of FindGraph includes Kalman smoothing.
It is possible to find the first or second order derivatives for the active data plot.
The feature to numerically integrate the active data plot from a baseline of zero using the trapezoidal rule.
You can input desirable formula to transform selected points coordinates
and to use functions (fits) you created as parameters.
Read more about:
Digitizing
Graphing
Curve fitting
Linear regression
Best-fit equation
Closed curves
Empirical models
Library
Analysis
Filters
Convolution
Periodic signals
SSA forecasting
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