Python Blog
With the encouragement of my NASA colleagues, I have started a Python Blog at: Vibrationdata Python Blog Please visit this site and contribute your own experience. Thank you, Tom Irvine
FreeMat Evaluation
FreeMat is an open-source software environment similar to Matlab. The latest version is 4.0, released 2009-10-09. I tried FreeMat with one of my Matlab scripts which prompts the user for keyboard input. Unfortunately, this resulted in an error: In /usr/local/share/FreeMat-4.0/toolbox/io/input.m(input) at line 37 In /home/jarle/freemat/inndata.m(inndata)… Read more
Cancer’s Unexpected Blessings
by Tony Snow Blessings arrive in unexpected packages—in my case, cancer. Those of us with potentially fatal diseases—and there are millions in America today—find ourselves in the odd position of coping with our mortality while trying to fathom God’s will. Although it would be the… Read more
Python: reading two columns of numerical data with an arbitrary number of header & blank lines
Here is my current method. Please let me know if you have a better one. The input data may be either space, tab, or comma delimited. ########################################################################## import os import re from numpy import array,zeros,concatenate,linspace,std from sys import stdin import matplotlib.pyplot as plt ######################################################################## def… Read more
Python on Linux
I have installed Linux Ubuntu on my 64-bit Windows PC, turning it into a dual boot configuration. The link is: http://www.ubuntu.com/download/ubuntu/windows-installer * * * I have also installed the Linux versions of Python & Spyder. Here is a Python installation method from Nick Smith: Part… Read more
Python Tip
Every Python book and website tutorial recommends the following command for prompting the user for input: raw_input() But I have found that this command is buggy and unreliable. Specifically, I wrote a long, complex code that had several raw_input() commands. The code ran successfully in… Read more
Messiah Ben-Joseph & Joseph Smith
Jewish teachings outside of the Torah refer to a Messiah Ben-Joseph (aka Messiah ben Ephraim). “According to the Talmud, the Messiah will be a descendant of the House of David and will be preceded by a secondary Messiah, from the House of Joseph . .… Read more
Torah Teachings: Abraham and leadership
Notes: Avraham is Abraham Yitzchak is Isaac Yakov is Jacob Subject: Dvar Torah – Parshat Lech Lecha In Parshat Lech Lecha, among the blessings that Avraham was to receive for leaving all that he had was the blessing that he himself should be a blessing… Read more
Reflections on Adversity
Adversity is a common theme in the scriptures. Jesus taught “These things I have spoken unto you, that in me ye might have peace. In the world ye shall have tribulation: but be of good cheer; I have overcome the world.” (John 16:33) James declared… Read more
Python Progress
The Python scripting program, ver 2.7.2, can be freely downloaded from: http://www.python.org/download/ Programmers will also need to install libraries such as NumPy, SciPy and matplotlib, particularly for science and engineering programming. These libraries are also freely available, but their proper installation and integration with Python is tricky. As… Read more