There are a number of Open Source alternatives to the program MatLab, one of the most known alternatives is GNU Octave. When using Octave you use a command line to enter commands. Octave can be downloaded and installed from GNU Octave.
Download and install OctaveInstall on Mac
Current os for mac. If using Mac:
Octave For Macbook Pro
The Affordable Matlab alternative which makes you save money. Xoctave is a powerful software that is meant to unleash the power of GNU Octave by creating a complete scientific computing environment. Jul 11, 2016 Get notifications on updates for this project. Get the SourceForge newsletter. Get newsletters and notices that include site news, special offers and exclusive discounts about IT products &.
Install Homebrew.
Install XCode from App Store.
Open and run the XCode app to agree to the License Agreement.
Install XQuartz.
Import science packages, open the terminal and enter:
Install Octave (this takes time):
Update:
At the end of the process a summary is shown displaying the path to Octave. If following is shown:
then the path to Octave is
/usr/local/Cellar/octave/3.8.1/bin/Octave Open AppleScript Editor and make a New Document. Write following:
where
/path/to/octave is the path. Save the script as Octave.app, select Application when saving.
For more information see Octave for MacOS X.
As a calculator
The easiest way to get started, is to use Octave as a calculator.
The arithmetic operators are:
There are predefined constants in Octave, some of them are listed below:
![]()
There are also a number of predefined mathematical functions in Octave, some of them are listed below:
Showing more decimals
You can show more decimals by typing
format long . Go back to showing few decimals by typing format short .
Exercise 1
Calculate following expressions
You should get these answers
You can see old commands by using up/down arrow keys.
Exercise 2
Guess the output of following commands, then check the answers given by Octave
Exit Octave
Exit Octave by writing
exit or quit .
Numerical variables
When evaluating the value of an expression, the result is stored in a variable called
ans (answer). You can also introduce variables of your own.
By writing
who you can see all variables. If you write a semi colon at the end of the line, the output is not shown.
Naming variables
Various programs have different rules for naming entities. Although some modern programs allow for all kind of characters in names, you may run into trouble if you use characters like '-' or blank. If you want to stay on the safe side, never having to bother about naming-rules for specific programs, follow these old-school rules:
These rules apply to Octave and a number of other programs.
Assignments
When writing
a=5 at the command prompt, the equal-sign should not be thought of as a logical equality; a is not equal to 5, it is assigned the value 5. Having that in mind, one can write assignments like this
The statement above would be false if it was a logical statement, it is however not a logical statement but an assignment. The right-hand-side of the statement is calculated first, the result is then assigned to the variable on the left-hand-side.
Hiding the output and repeating previous commands
You can write several commands on one line by using comma, or semi colon. https://kwxuclm.weebly.com/blog/sims-3-for-mac. By using up-arrow, you can repeat the previous command, and alter it.
You can calculate a geometric series by using up-arrow several times.
Exercise 3
Calculate the series:
[sum_{i=1}^{20} left(frac{1}{i} right)^2 ]
(The answer is 1.5962)
Octave For Mac InstallationExercises on Sequences
A sequence is a function with the domain being the natural numbers. A sequence can be written like this (a_0,a_1,a_2,..) or like this
[left( a_n right)_{n=0}^{infty} ]
Recurrence equations
A geometric progression can be defined in different ways. Consider the infinite geometric progression (3, 3cdot 2, 3cdot 2^2,..).
You can describe the geometric progression in two ways.
A recurrence equation:
[ left{ begin{align} a_0 &=3 a_{n+1} &=2cdot a_n, ngeq0 end{align} right. ]
An explicit formula:
[a_n=3cdot 2^n, nin mathbb{n}]
Exercise 4
Use Octave to find the limit as (nrightarrowinfty) of following sequences. Type
format long to show more decimals. Try different initial values (c), do you get different limits?
Octave For Mac Sierra
Try to explain your answers. If you fail, do the exercises on Calculus - Fixpoints.
Octave Shifter 2 is a free, real-time pitch shifting Audio Unit effect. Featuring four full octaves of pitch adjustment, low latency processing and automation support, Octave Shifter 2 will satisfy both your live and studio pitch shifting needs.
Octave Shifter 2 is optimized to run anywhere: from the latest version of macOS running on multicore 64-bit Intel processors all the way down to Mac OS X Tiger (10.4) on 32-bit Intel and PowerPC G4 or G5 processors.
Key Features:
Sound Samples:Octave For Mac
All sound samples are performed live on a single instrument:
Additional Information
Octave Shifter 2 makes use of the industry standard generic Cocoa and Carbon graphical interface views for Audio Units offering a seamless integration into host applications like Logic Express and Pro, Garageband, Final Cut Express and Pro and Soundtrack.
Download Octave For Machine Learning
Octave Shifter 2 is packaged as a Universal Binary, it performs equally well on both Intel and PowerPC based Macs. https://kwxuclm.weebly.com/blog/autocad-lt-for-mac. You will need Mac OS X Snow Leopard (10.6) or higher to be able to use the optimized 32-/64-bit Intel version, or Mac OS X Tiger (10.4) or higher for the legacy PowerPC compatible version.
Comments are closed.
|
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |