python Programming Glossary: log10

Python floating point arbitrary precision available?

http://stackoverflow.com/questions/11522933/python-floating-point-arbitrary-precision-available

examples. def isGrafting a for i in xrange 1 int ceil log10 a 2 if a floor sqrt a 10 i 1 10 int ceil log10 a return 1 a.. 1 int ceil log10 a 2 if a floor sqrt a 10 i 1 10 int ceil log10 a return 1 a 0 while 1 if isGrafting a print d .15f a sqrt a.. sqrt a 99999.99999 a floor sqrt a 10 5 10 int ceil log10 a False floor sqrt a 10 5 10 int ceil log10 a 9999999999.0 print..

Python: Random is barely random at all?

http://stackoverflow.com/questions/2145510/python-random-is-barely-random-at-all

pair occurring. # birthday.py # from math import log10 factorial PV 4500 # Number of possible values SS 100 # Sample.. them is equivalent to division. # log_prob_no_pair log10 numerator log10 denominator # We've just calculated the log.. equivalent to division. # log_prob_no_pair log10 numerator log10 denominator # We've just calculated the log of the probability..

Nicely representing a floating-point number in python

http://stackoverflow.com/questions/2663612/nicely-representing-a-floating-point-number-in-python

def f number sigfig return .15f round number int 1 floor log10 number sigfig 1 .rstrip 0 .rstrip . print f 0.1 1 0.1 print..

Determine precision and scale of particular number in Python

http://stackoverflow.com/questions/3018758/determine-precision-and-scale-of-particular-number-in-python

of digits to the left of the decimal point is easy int log10 x 1 The number of digits to the right of the decimal point is.. int_part int abs x magnitude 1 if int_part 0 else int math.log10 int_part 1 if magnitude max_digits return magnitude 0 frac_part.. 0.5 while frac_digits 10 0 frac_digits 10 scale int math.log10 frac_digits return magnitude scale scale share improve this..

How to round a number to significant figures in Python

http://stackoverflow.com/questions/3410976/how-to-round-a-number-to-significant-figures-in-python

if you need only most significant digit from math import log10 floor def round_to_1 x ... return round x int floor log10 x.. log10 floor def round_to_1 x ... return round x int floor log10 x ... round_to_1 0.0232 0.02 round_to_1 1234243 1000000.0 round_to_1..

some Numpy functions return ndarray instead of my subclass

http://stackoverflow.com/questions/6190859/some-numpy-functions-return-ndarray-instead-of-my-subclass

s4 class '__main__.Signal' however what about these s5 log10 s type s5 type 'numpy.ndarray' s6 np.fft.fft s type s6 type.. s6 type 'numpy.ndarray' looking into the code of fft and log10 I can see that they use asarray which strips the subclass and.. improve this question I am not sure about fft but np.log10 is a ufunc . The following page explains how the output type..

Relationship between scipy and numpy

http://stackoverflow.com/questions/6200910/relationship-between-scipy-and-numpy

different. To give an example that came up recently numpy.log10 is a ufunc that returns NaNs for negative arguments scipy.log10.. is a ufunc that returns NaNs for negative arguments scipy.log10 returns complex values for negative arguments and doesn't appear.. included into scipy when the scipy module is imported. The log10 behaviour you are describing is interesting because both versions..

Inaccurate Logarithm in Python

http://stackoverflow.com/questions/931995/inaccurate-logarithm-in-python

with other powers of 2 and it worked perfectly. I ran 'log10 2 31 log10 2 ' and I got a round 31.0 I tried running the same.. powers of 2 and it worked perfectly. I ran 'log10 2 31 log10 2 ' and I got a round 31.0 I tried running the same original..