![[attach.png]](../idldoc-resources/attach.png)
Directory: math/
.pro files
- atanh.pro
Numerically calculate the inverse of the TANH function for real values.
- between.pro
Determines if the argument lies between the bounds.
- biharmonic_interp.pro
Performs biharmonic interpolation for a function defined on a 2D grid.
- bilin_interp.pro
Performs bilinear interpolation for a function defined on a 2D grid.
- bootstrap_mean.pro
Calculates the mean and a confidence limit on the mean based on bootstrap resampling.
- bootstrap_median.pro
Calculates the median and a confidence limit on the median based on bootstrap resampling.
- combigen.pro
Generates all possible combinations n-choose-k.
- dotp.pro
Calculates the scalar product of two vectors.
- hist_nd_weight.pro
Wrapper to the dfanning HIST_ND function that calculates a weighted multi-dimensional histogram.
- histogram_weight.pro
Wrapper to the built-in HISTOGRAM function that calculates a weighted histogram.
- jbcrossp.pro
Calculate the cross products between two arrays of 3-vectors.
- jblinfit.pro
Performs least squares fitting to a straight line, but can perform it over one particular dimension for a multi-dimensional data set.
- matrix2quaternion.pro
Transforms a rotation matrix into a quaternion.
- minfinite.pro
Calculate the minimum non-zero value of an array.
- ml_distfit.pro
Performs maximum likelihood fitting of a distribution.
- ord.pro
Calculates the ordinal of each value of an array in terms of the sorted values.
- percentiles.pro
Determines what range of a distribution lies within a percentile range.
- point_convolve.pro
Convolves a list of N-dimensional points with a Gaussian kernel.
- quat2rotaxis.pro
Returns the net axis and angle of the rotation specified by the input quaternion.
- rms.pro
Calculates the root-mean-square of a set of values.
- sech.pro
Calculates the hyperbolic inverse cosine function (sech).
- sign.pro
Returns the sign of the argument.
- sprsadd.pro
Adds two sparse matrices (as generated by SPRSIN).
- tanh.pro
Calculates the hyperbolic tan function (tanh).
- zphase.pro
Calculates the phase angle of a complex number.