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Class Summary
Class
Description
Abs
Add
Atanh
BiLaplacian
Sparsified Laplacian, v1
Log prior for an laplacian distribution with
an extra mass at zero, eg a mixture of a laplacian
with another much narrower laplacian.

BiLaplacianBlend
Log prior for an laplacian distribution with
an extra mass at zero, eg a mixture of a laplacian
with another much narrower laplacian.

CauchyInfomax
cauchy distribution score function

CompoundFunction
Exp
ExponentialSquashing
Zero for t<0, linear near 0, exponentially tending to 1

Gamma
Implementation of the real (incomplete) Gamma function.

HalfSquare
Hamming
Hanning
HybridFunction
Piecewise function made of two other functions, f and g.

Log
LogAbs
LogCauchy
LogCosh
Actually 2 log cosh: - log prior of sech^2 disribution
like abs but with rounded bottom
Amount of rounding is adjustable

LogGenCosh
Actually NEGATIVE log cosh: like abs but with rounded bottom
Amount of rounding is adjustable

LogGenExp
Generalised exponential log prior
Blending to quadratic at zero

LogGenExp2
This version has a quadratic phase, a linear phase,
and finally, a power law phase.

LogisiticInfomax
LogisticHyperplane
Negate
Power
Quadratic
RaleighLogPrior
Density is linear near zero, rising to a peak, decaying
with a Gaussian tail.

Reciprocal
Scale
ScaledFunction
Sgn
SparseExponential
Single-sided (ie positive only) version of SparseLaplacian.

Sqrt
Square
Step
Tanh
ThresholdLog
Log with lower cut-off, then constant

WinnerTakeAll
This is NOT and element-wise nonlinearity, but
rather a function of an entire vector.

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