Module cma :: Class Misc :: Class MathHelperFunctions

Class MathHelperFunctions

object --+
         |
        Misc.MathHelperFunctions

static convenience math helper functions, if the function name is preceded with an "a", a numpy array is returned

Instance Methods

[hide private]

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __init__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Static Methods

[hide private]

aclamp(x, upper)

source code

equals_approximately(a, b, eps=1e-12)

source code

vequals_approximately(a, b, eps=1e-12)

source code

expms(A, eig=<function eigh at 0x105962cf8>)
matrix exponential for a symmetric matrix

source code

amax(vec, vec_or_scalar)

source code

max(vec, vec_or_scalar)

source code

minmax(val, min_val, max_val)

source code

aminmax(val, min_val, max_val)

source code

amin(vec_or_scalar, vec_or_scalar2)

source code

min(a, b)

source code

norm(vec, expo=2)

source code

apos(x, lower=0)
clips argument (scalar or array) from below at lower

source code

prctile(data, p_vals=[0, 25, 50, 75, 100], sorted_=False)
prctile(data, 50) returns the median, but p_vals can also be a sequence. source code

sround(nb)
return stochastic round: floor(nb) + (rand()<remainder(nb))

source code

cauchy_with_variance_one()

source code

standard_finite_cauchy(size=1)

source code

Properties

[hide private]

Inherited from object: __class__

Method Details

[hide private]

prctile(data, p_vals=`[`0`,` 25`,` 50`,` 75`,` 100`]`, sorted_=False)
Static Method

source code

prctile(data, 50) returns the median, but p_vals can also be a sequence.

Provides for small samples better values than matplotlib.mlab.prctile, however also slower.

Class MathHelperFunctions

prctile(data, p_vals=[0, 25, 50, 75, 100], sorted_=False) Static Method

prctile(data, p_vals=`[`0`,` 25`,` 50`,` 75`,` 100`]`, sorted_=False)
Static Method