WarrenWeckesser

# Scratch work for Maximum Length Sequence calculations.

import numpy as np
from scipy.signal import lfilter, lfiltic


# These are definitions of linear shift register taps for use in mls()
_mls_taps = {2: [1], 3: [2], 4: [3], 5: [2], 6: [5], 7: [6], 8: [7, 6, 1],
             9: [5], 10: [7], 11: [9], 12: [11, 10, 4], 13: [12, 11, 8],
             14: [13, 12, 2], 15: [14], 16: [15, 13, 4], 17: [14],

WarrenWeckesser

import numpy as np
from scipy.signal.filter_design import _cplxreal


def pop_real(p):
    """Pop the first real value in the list p."""
    k = 0
    while k < len(p) and p[k].imag != 0:
        k += 1
    if k == len(p):

WarrenWeckesser

"""Base class for sparse matrice with a .data attribute

    subclasses must provide a _with_data() method that
    creates a new matrix with the same sparsity pattern
    as self but with a different data array

"""

__all__ = []

WarrenWeckesser

from enable.api import Component, ComponentEditor
from enable.tools.api import DragTool
from traits.api import HasTraits, Instance
from traitsui.api import View, UItem


class MyDragTool(DragTool):

    end_drag_on_leave = True

WarrenWeckesser

import numpy as np
from scipy.stats.distributions import gamma_gen


class erlang_gen(gamma_gen):

    def _argcheck(self, a):
        good = (a > 0) & (np.floor(a) == a)
        if not np.all(good):

WarrenWeckesser

import warnings
import numpy as np
from scipy.stats.distributions import gamma_gen, rv_continuous


class erlang_gen(gamma_gen):
    """An Erlang continuous random variable.

    %(before_notes)s

WarrenWeckesser

from __future__ import print_function, division

import time

import numpy as np
from numpy import convolve as np_convolve
from scipy.signal import convolve as sig_convolve, fftconvolve, firwin
from scipy.ndimage import convolve1d
from pylab import grid, show, legend, loglog, xlabel, ylabel, figure

WarrenWeckesser

.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................KFKFKK.K.....K...........K...KKKSF..KSSKKKKKSK..K...S..SFKKKSKKKKKKK..K........................................................
======================================================================
FAIL: test_mpmath.TestSystematic.test_chebyt_int
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/warren/anaconda/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/home/warren/a

WarrenWeckesser

.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................K.K..F.K.....K...........K...KKKS...KSSKKKKKSK..K...S..S.KKKSKKKKKK.............................................................
======================================================================
FAIL: test_mpmath.TestSystematic.test_ci
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/warren/anaconda/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/home/warren/anaconda

WarrenWeckesser

# File:    animated_gif_writer.py
# Author:  Warren Weckesser
# License: BSD 2-Clause (http://opensource.org/licenses/BSD-2-Clause)
#
# Copyright (c) 2015, Warren Weckesser
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#