Effective Computation in Physics by Anthony Scopatz, Kathryn D. Huff

By Anthony Scopatz, Kathryn D. Huff

Extra physicists this present day are taking up the position of software program developer as a part of their study, yet software program improvement isn't regularly effortless or seen, even for physicists. This useful booklet teaches crucial software program improvement talents that will help you automate and achieve approximately any element of study in a physics-based field.
Written by means of PhDs in nuclear engineering, this e-book comprises functional examples drawn from a operating wisdom of physics ideas. You'll the way to use the Python programming language to accomplish every thing from accumulating and studying info to construction software program and publishing your results.
In 4 elements, this ebook includes:

Getting Started: bounce into Python, the command line, facts packing containers, capabilities, circulate keep an eye on and good judgment, and sessions and objects
Getting It Done: find out about normal expressions, research and visualization, NumPy, storing facts in documents and HDF5, very important information buildings in physics, computing in parallel, and deploying software
Getting It Right: construct pipelines and software program, discover ways to use neighborhood and distant model keep an eye on, and debug and try your code
Getting It Out There: record your code, procedure and post your findings, and collaborate successfully; dive into software program licenses, possession, and copyright methods

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A section, if provided, will direct man to look only in that sec tion of the manual. The default action is to search in all of the available sections, following a pre-defined order and to show only the first page found, even if page exists in several sections. What follows man in the SYNOPSIS is a listing of the optional and required arguments, options, and variables. Arguments, options, and variables In these man pages, you’ll see that there are different ways to pass information to the command-line programs and commands you need to use.

Take some time to explore the man page of a command we’ve discussed or of another command or program you know of. Learn about a couple of new arguments or options and try them out. Practice killing or interrupting programs if neces‐ sary. Now that this chapter has touched on the various commands for running processes and manipulating files, let’s see how those commands can be combined into powerful pipelines using redirection and pipes. Combining Utilities with Redirection and Pipes (>, >>, and |) The power of the shell lies in the ability to combine these simple utilities into more complex algorithms very quickly.

Exercise: Find Home 1. Open the Terminal. 2. Type pwd at the command prompt and press Enter to see the absolute path to your home directory. Now that she knows where she is in the filesystem, curious Lise is interested in what she’ll find there. To list the contents of a directory, she’ll need the ls command. Listing the Contents (ls) The ls command allows the user to print out a list of all the files and subdirectories in a directory. Exercise: List the Contents of a Directory 1. Open the Terminal.

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