% Psychtoolbox:PsychSignal.
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% help Psychtoolbox % For an overview, triple-click me & hit enter.
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%   AllAll               - Apply function ALL to all elements of an N-D matrix.
%   AltRound             - Round elements to the nearest multiple of a factor.
%   AnyAll               - Apply function ANY to all elements of an N-D matrix.
%   ATand2               - Inverse tangent function which output is in the range -180--180 degrees, instead of MATLAB's -90--90.
%   ATand360             - Inverse tangent function which output is in the range 0--360 degrees, instead of MATLAB's -90--90.
%   Bandpass             - Filter images, one dimension.
%   Bandpass2            - Filter images, two dimensions, radial frequency.
%   BoolFromSNR          - Creates a boolean (selection) vector from an SNR (Signal-to-Noise Ratio)
%   Expand               - Expand a matrix.
%   HalfRect             - Half wave rectification.
%   MatMax               - Maximum in entire matrix.
%   MatMin               - Minimum in entire matrix.
%   MatMinMax            - Max and min in entire matrix.
%   MaxAll               - Apply function MAX to all elements of an N-D matrix.
%   MaxInd               - Finds matrix' maximum and returns indices to all occurrences of it. 
%   MeanAll              - Apply function MEAN to all elements of an N-D matrix.
%   MinAll               - Apply function MIN to all elements of an N-D matrix.
%   MinInd               - Finds matrix' minimum and returns indices to all occurrences of it. 
%   OrientationBandpass  - Filter images, two dimensions, orientation.
%   Scale                - Affine scaling puts data in range [0,1].
%   StdAll               - Apply function STD to all elements of an N-D matrix.
%   SumAll               - Apply function SUM to all elements of an N-D matrix.
%   Trunc                - Truncate a matrix into range [0,1].
