Sponsored Content
Top Forums Programming E**(i*pi)=-1 or e**(j*pi)=-1, something I found out in Python using part of Eulers Identit equation. Post 303042083 by wisecracker on Friday 13th of December 2019 01:54:58 PM
Old 12-13-2019
E**(i*pi)=-1 or e**(j*pi)=-1, something I found out in Python using part of Eulers Identit equation.

Well guys and gals I have discovered after all these years that Python does complex numbers without the 'complex()' function or 'cmath' import.
It is well known that Euler's Identity E**(i*pi)+1=0 so I decided to experiment
Code:
Last login: Fri Dec 13 18:27:30 on ttys000
AMIGA:amiga~> python3.8
Python 3.8.0rc1 (v3.8.0rc1:34214de6ab, Oct  1 2019, 12:56:49) 
[Clang 6.0 (clang-600.0.57)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> pi=3.14159265359
>>> e=2.71828182846
>>> 
>>> e**(pi*1j)
(-1-1.31038479358762e-12j)
>>> exit()
 AMIGA:amiga~> _

As you can see within the limitations of the floating point accuracy e**(pi*1j)=-1.
We all live and learn and it also works for Python 1.4.0 for the AMIGA.

Last edited by wisecracker; 12-13-2019 at 03:02 PM.. Reason: Added last two lines.
These 2 Users Gave Thanks to wisecracker For This Post:
 

7 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

equation calculation on Unix

Hay, guys, Any ideas how to calculate like this: in first file, there're number of lines listing 2+3, 6*9 ....... Then, how to get the result and put them in another file in format: 2+3 5 6*9 54 ...... sheerly by shell command, no scripts required. (4 Replies)
Discussion started by: robbinGlasses
4 Replies

2. Shell Programming and Scripting

AWK equation evaluation.

Hi, Is there a way to evaluate an equation contained in a string within an AWK script? For example: A = "(5*2)-1" (this equation is read from a file and varies line by line) In this example, I can't see any way to get an answer of 9 unless I do: cmd = "awk 'BEGIN{print "A"}'" cmd |... (3 Replies)
Discussion started by: srdgeo
3 Replies

3. Shell Programming and Scripting

Perl - maths equation - need help

if input to the perl program is ' ( p * ((a+b) * (c+d))) + q ' it shuld give the output as ' pac + pad + pbc + pbd + q ' .can anyone suggest a way to do this ? (7 Replies)
Discussion started by: Anuj8584
7 Replies

4. High Performance Computing

Performance Equation

I'm running a MPI program using a cluster of 4 machines(different machines of different processing power,cpu utilization etc.). I'm trying to balance the computation among the machine to get the minimum execution time for that. I tried to balance it by creating a threshold value by taking the load... (1 Reply)
Discussion started by: chamila1986
1 Replies

5. Shell Programming and Scripting

Help with insert a value equation in bash script

HI All, I have a script in bash that i want that script will perform action When the size of a particular folder exceeds the 80%. Here is an example of script that result is exactly 80% : #!/bin/bash CHECK=$(df -h /var/log/syslog | grep '80%' | xargs echo | cut -d' ' -f5) if ];... (1 Reply)
Discussion started by: Aviel.shani
1 Replies

6. Shell Programming and Scripting

Python fails to detect String Match Found

Below is my code for comparing string for Exact Match found in python. for word in jdbc_trgt.split(','): global comp comp=word.strip(); print "GloBAL:" + comp fiIn = open('list.txt').readlines() for lines in fiIn: print "line1s:" +... (6 Replies)
Discussion started by: mohtashims
6 Replies

7. Shell Programming and Scripting

Assistance with my Find command to identify last part of a file name and report the name found

Hello Forum, We have two bootstraps of Chef in our environment which are identified by colour: /var/chef/cache/cookbooks/bootstrap_cookbooks_version_green and /var/chef/cache/cookbooks/bootstrap_cookbooks_version_red I'm attempting to identify which version is installed based on the name... (11 Replies)
Discussion started by: greavette
11 Replies
SHEDSKIN(1)															       SHEDSKIN(1)

NAME
Shedskin - An experimental (restricted) Python-to-C++ Compiler SYNOPSIS
shedskin [OPTION]... FILE DESCRIPTION
Shed Skin is an experimental compiler, that can translate pure, but implicitly statically typed Python (2.4-2.6) programs into optimized C++. It can generate stand-alone programs or extension modules that can be imported and used in larger Python programs. Besides the typing restriction, programs cannot freely use the Python standard library (although about 25 common modules, such as random and re, are currently supported). Also, not all Python features, such as nested functions and variable numbers of arguments, are supported. OPTIONS
-a --ann Output annotated source code (.ss.py) -b --nobounds Disable bounds checking -e --extmod Generate extension module -f --flags Provide alternate Makefile flags -l --long Use long long integers -m --makefile Specify alternate Makefile name -n --silent Silent mode, only show warnings -o --noassert Disable assert statements -r --random Use fast random number generator (rand()) -s --strhash Use fast string hashing algorithm (murmur) -w --nowrap Disable wrap-around checking -x --traceback Print traceback for uncaught exceptions -L --lib Add a library directory 0.9.2 2012-05-05 SHEDSKIN(1)
All times are GMT -4. The time now is 02:19 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy