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ATANH
| Numerically calculate the inverse of the TANH function for real values. |

AUGMENT_INHERITED_KEYWORD
| Adds keywords to the _EXTRA structure. |

BETWEEN
| Determines if the argument lies between the bounds. |

BIHARMONIC_INTERP
| Performs biharmonic interpolation for a function defined on a 2D grid. |

BILIN_INTERP
| Performs bilinear interpolation for a function defined on a 2D grid. |

BOOTSTRAP_MEAN
| Calculates the mean and a confidence limit on the mean based on bootstrap resampling. |

BOOTSTRAP_MEDIAN
| Calculates the median and a confidence limit on the median based on bootstrap resampling. |

COMBIGEN
| Generates all possible combinations n-choose-k. |

CONTOURLEVELS
| Calculates the contour level that encloses a given fraction of the data in a multi-dimensional histogram. |

CROPPEDTICKMARKS
| This function is used as a plug-in to YTICKFORMAT that crops a number to the appropriate number of digits. For example, logarithmic axes might have labels 0.001, 0.01, 0.1, 1, 10. |

DOTP
| Calculates the scalar product of two vectors. |

EXTRACT_ROWS
| This function extracts rows from a CSV structure (as read using READ_CSV) and returns a new CSV structure. |

FORCE_NEWTON
| Calculates the gravitational force from a particle distribution at a list of positions. |

GETPTS
| Find the locations of a number of points on an existing plot using CURSOR. Use right mouse button to mark final point. |

HIST_ND_ADAPTIVE
| Given a list of particle positions (and optional particle weights), bin sizes, and ranges, creates a density image where the regions with fewer particles are sampled at larger bin sizes. This can be used as a drop-in for HIST_ND_WEIGH... |

HIST_ND_WEIGHT
| Wrapper to the dfanning HIST_ND function that calculates a weighted multi-dimensional histogram. |

HISTEQ
| Performs histogram equalization scaling of a 2D image. |

HISTOGRAM_WEIGHT
| Wrapper to the built-in HISTOGRAM function that calculates a weighted histogram. |

INERTIATENS
| Calculates the 2nd moment tensor (sometimes incorrectly referred to as the moment of inertia tensor) of a mass distribution specified by a list of particle positions. |

IS_SORTED
| Checks whether an array is already sorted. |

JB_RGBPNG
| Turn individual image frames into an RGB PNG image file. |

JBBILATERALFILTER
| Implements the bilateral filter on an image. |

JBCROSSP
| Calculate the cross products between two arrays of 3-vectors. |

JBIMATCH
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JBLINFIT
| Performs least squares fitting to a straight line, but can perform it over one particular dimension for a multi-dimensional data set. Acts like the built-in function LINFIT if DIMENSION is not set. |