![]() The 4 equation can be defined in a matrix equation of : Ax = b: To solved these equations, as a first pass x4=1 (now there are 4 equations). Now there are 3 equations and 4 variable. This equation can be broken down by each element: To determine the actual amounts of each element variables X1-X4 are added: > title ('2*x.^2 - 8*x - 4 = 3*x -x.^2')Īn example of balancing chemical equations, would be to determine how much methane (CH 4 ) and oxygen (O 2) would burn cleanly to water(H 20) and carbon dioxide (CO 2): > # Use "hold on" so the first plot isn't erased > #Solve for the intercept between 2 equations The Octave GUI, which is called in Linux by: The command line mode allows for basic testing and it is good for slower hardware like a Raspberry Pi 3. Octave can be run in either a command line or a GUI mode. Statistics | 1.4.1 | /usr/share/octave/packages/statistics-1.4.1 Package Name | Version | Installation directory Octave:3> # show installed and loaded (*) packages Octave:2> # make package available by loading Octave:1> # install symbolic package from forge site To load Octave on a Raspberry Pi/Ubuntu/Debian: See the Octave web site ( ) for installation details for your specifics system. Octave/Matlab has a lot of potential applications and it can be loaded on a standard PC for math/stats projects or on a Raspberry Pi for projects that use GPIO (General Purpose Inputs and Outputs) to connect to sensors and I/O devices. I will finish with a quick data analysis example and a sensor example. In this blog I was look at introducing Octave with some high school math questions. I wish I had known about Octave when I was trying to help my kids with their high school Algebra and Calculus homework. The Octave syntax is largely compatible with Matlab. Octave is an open source alternative to Matlab that runs on GNU/Linux, macOS, BSD, and Microsoft Windows. Student pricing, (starting at $49 US, add-ons extras ), home pricing ($149 US, add-ons extra) and 30 day trials are available for non-commercial projects. Matlab is a full featured commercial product that has a perpetual license for $2,150 US (or $860 yearly). It is also used in complex industrial applications such as multi-variable control in chemical reactors. ![]() Matlab has a wide range of practical applications and use-cases. ![]() Matlab has been an extremely popular tool for Engineering and Mathematical problem solving. ![]()
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