Scientific Python @SciPyTip
Tweets about SciPy (Scientific Python) and related topics from @JohnDCook. JohnDCook.com Houston Joined February 2011-
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Cubic interpolation: sp.interp1d(x, y, kind='cubic') returns a function. Example: glowingpython.blogspot.com/2011/05/how-to…
florence: a finite element framework for python's scientific stack github.com/romeric/floren…
Python broadcasting, matrix functions, and functors johndcook.com/blog/2021/03/0…
Test data for numerical algorithms math.nist.gov/MatrixMarket/
>>> [chr(0x263f+i) for i in range(9)] ['☿', '♀', '♁', '♂', '♃', '♄', '♅', '♆', '♇'] x.com/textip/status/…
>>> [chr(0x263f+i) for i in range(9)] ['☿', '♀', '♁', '♂', '♃', '♄', '♅', '♆', '♇'] x.com/textip/status/…
sys.float_info.max is the largest finite float value.
inspect.getsourcefile(obj) will tell you where obj's source code is, if it's available on your computer.
Floating point error is the least of my worries johndcook.com/blog/2011/11/0…
By convention, the SciPy library is imported as sp and NumPy is imported as np.
numpy.linalg.cond() estimates the condition number of a matrix. Option of several different norms.
Searching for proper nouns with spaCy johndcook.com/blog/2023/07/1…
How to plot a function with matplotlib glowingpython.blogspot.com/2011/04/how-to…
Extract text from a PDF with pypdf johndcook.com/blog/2024/04/2…
scipy.fftpack.hilbert(x) returns the Hilbert transform of a periodic sequence x.
scipy.optimize.anneal does global optimization by simulated annealing.
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@SciPyTip scipy.misc.source is deprecated, use numpy.source instead. docs.scipy.org/doc/scipy-1.2.…
@SciPyTip Also Pandas as pd, Numpy as np, Seaborn as sns, etc. And Dataframes are often "df". I'd like to know who came up with the conventions. And, btw, does anyone ever import all of Matplotlib? Everyone seems to just use Pyplot.
@SciPyTip You can use a phone to make a call too, but it's not obvious how.
@SciPyTip I was demonstrating @anvil_works at @PyDataCambridge this year, and wrote: self.plot_1.data = go.Scatter(y=[x^2 for x in range(10)]) Nothing like debugging silly mistakes in front of an audience!
Scientific Python @SciPyTip is rated #1 on Python (programming language) @Agilience. agilience.com/en/SciPyTip
@SciPyTip Saves so much programmer time though!
@SciPyTip the official docs (pytseries.sourceforge.net) say it's been deprecated in favor of #pandas (pandas.pydata.org)
@lorentzframe @curious_reader @SciPyTip still confused why lp never caught on. I use it when I can, but not as much as I want
@SciPyTip Best tool is a hammer. You can hit anything with it. It may not fix your problem but it makes you feel better.
@SciPyTip `elif` is one of the only things about Python's syntax that I dislike.
Not a warehouse of redshift data. Bummer. RT @SciPyTip: Working with data from an Amazon Redshift data warehouse plot.ly/ipython-notebo…
@SciPyTip Actually, since it computes the pseudo-inverse, the input matrix does not have to be square.
@SciPyTip I used to not alias them, and just reference them by name with numpy and scipy, but when in Rome, alias as the Romans do...
@SciPyTip Beat me to announcing my own release on twitter! Nice one.
@SciPyTip This disturbs me... I won't be able to sleep for a week.
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