MATH SPL Directory

 

The Math directory contains SPL functions for mathematical operations and manipulations. The following files are included:

 

CUMTRAPZ

Integrates using the trapezoidal rule.

DYDX

Calculates the derivative of XY data.

FRESNELC

Calculates the Cosine Fresnel Integral

FRESNELS

Calculates the Sine Fresnel Integral

LINAVG

Performs a phaseless moving average.

LOGM

Calculates the matrix log.

MOVRMS

Calculates the moving RMS of a series.

MOVSTD

Calculates the moving standard deviation of a series.

POLYDER

Calculates the derivative of a polynomial.

POLYINT

Calculates polynomial integration

POLYROOT

Finds the roots of a polynomial using the companion matrix.

POLYVAL

Calculates P(x) for polynomial P and value x.

ROOTS

Finds the roots of a polynomial in descending powers.

TRAPZ

Calculates the area using the trapezoidal rule.

UNMERGE

Unmerges (demultiplexes) an interlaced series.