To end your MATLAB session, select File - Exit MATLAB in the desktop, or type quit in the Command Window. You can run a script file named finish.m each time MATLAB quits that, for example, executes functions to save the workspace, or displays a quit confirmation dialog box. Tutorials Session 1. Step 1: Download and install the Whova app from App Store. Natural language generation-imitation learning allows. MATHWORKS - The MATLAB and Simulink product families are.

In this article, we will describe how to install GNU Octave, a high-level interpreted language, primarily intended for numerical computations. It provides capabilities for the numerical solution of linear and nonlinear problems, and for performing other numerical experiments. It also provides extensive graphics capabilities for data visualization and manipulation. Keygen free download. Octave is normally used through its interactive command line interface, but it can also be used to write non-interactive programs. The Octave language is quite similar to Matlab so that most programs are easily portable.

We have run the commands and procedures mentioned in this article on a Ubuntu 18.04 LTS system.

Install GNU Octave 4.2 through Ubuntu Software Manager

Installation

For a person who does not want to open the Command Line much, installing software present in the Ubuntu repository through the UI is very simple. On your Ubuntu desktop Activities toolbar, click the Ubuntu Software icon.

In the following view, click on the search icon and enter GNU Octave in the search bar. The search results will display GNU Octave as follows:

This is the package maintained by Ubuntu Bionic Universe repository. However, this might not be the latest version of Octave, which at the time of writing this article is Octave 4.4. If you want to install the latest version of this software, please view the last section of this article.

From the Software Manager, click on the GNU Octave entry to open the following view:

Click the Install button to begin the installation process. The following authentication dialog will display for you to provide your authentication details as only an authorized user can install software on Ubuntu.

Enter your password and click the Authenticate button. After that, the installation process will begin, displaying a progress bar as follows:

GNU Octave will then be installed to your system and you will get the following message after a successful installation:

Through the above dialog, you can choose to directly launch GNU Octave and even Remove it immediately for whatever reason.

Launch GNU Octave

You can launch GNU Octave through the UI any time you want by entering relevant keywords in the Ubuntu Dash or access it directly from the Applications list.

When you launch Octave for the first time, the following dialog will open:

This dialog gives you the information that Octave will create a configuration file, in the current user’s home directory in the .config (hidden) folder.

Please click Next to create the configuration file that is required by Octave to function. The following dialog will open:

Through this dialog, you can configure if you want Octave to keep connecting to the official Octave website and provide you with Community News that includes current news and information. You can choose to uncheck this item and check for community news through the Help menu of the Octave GUI, only when you wish to. Click Next.

This is just information about how to access Octave support and documentation. Please click Finish, after which you are ready to use Octave.

Install the Latest version of Octave

As mentioned above, the official Ubuntu repository does not include the latest version of Octave as of now. You can check which version of Octave you have by clicking the About Octave option from the Help menu in GNU Octave GUI.

The official Octave website lists Octave 4.4 as the latest release. If you want to get that version, follow these steps:

Open your Ubuntu command line, the Terminal, either through the system Dash or the Ctrl+Alt+T shortcut. For now, no PPA repository contains the latest and stable version of Octave, therefore we will use the Flatpak utility to install Octave from the Flathub repository.

Please enter the following command in order to install Flatpak if it is already not installed on your system:

The system will ask you for the password of sudo as only authorized user can install, remove and configure software on Ubuntu. The system will prompt you with a Y/n to confirm the beginning of the installation procedure. Enter Y and then hit Enter. The installation process will begin and might take some time depending on your Internet speed. Flatpak then will be installed on your system.

The next step is to add the Flathub repository that contains the latest Octave package, through the following command:

The following dialog will ask you to provide authentication details for sudo:

Please provide the password and the Flathub repository will be added to your system.

Finally, enter the following command in order to install the latest version of Octave:

Enter Y to start the installation procedure. The Octave package is around 1.3 GB in size and might take long depending on your Internet speed.

Launch

In order to launch this package rather than the traditional GNU Octave package, run the following command in your Terminal:

Remove

If you want to remove the GNU Octave package installed through Flatpak, you can use the following command:

You can then uninstall flatpak, if you need to, through the following command:

Hopefully, when the Ubuntu official PPA updates with the latest Octave version, the installation procedure will become much more simple. Till then, this article is here for your help!

• Matlab Tutorial

• MATLAB Advanced

• MATLAB Useful Resources

• Selected Reading

Simulink is a simulation and model-based design environment for dynamic and embedded systems, integrated with MATLAB. Simulink, also developed by MathWorks, is a data flow graphical programming language tool for modelling, simulating and analyzing multi-domain dynamic systems. It is basically a graphical block diagramming tool with customizable set of block libraries.

It allows you to incorporate MATLAB algorithms into models as well as export the simulation results into MATLAB for further analysis.

Simulink supports −

• system-level design
• simulation
• automatic code generation
• testing and verification of embedded systems

There are several other add-on products provided by MathWorks and third-party hardware and software products that are available for use with Simulink.

The following list gives brief description of some of them −

• Stateflow allows developing state machines and flow charts.

• Simulink Coder allows the generation of C source code for real-time implementation of systems automatically.

• xPC Target together with x86-based real-time systems provide an environment to simulate and test Simulink and Stateflow models in real-time on the physical system.

• Embedded Coder supports specific embedded targets.

• HDL Coder allows to automatically generate synthesizable VHDL and Verilog.

• SimEvents provides a library of graphical building blocks for modelling queuing systems.

Simulink is capable of systematic verification and validation of models through modelling style checking, requirements traceability and model coverage analysis.

Simulink Design Verifier allows you to identify design errors and to generate test case scenarios for model checking.

Using Simulink

To open Simulink, type in the MATLAB work space −

Simulink opens with the Library Browser. The Library Browser is used for building simulation models.

On the left side window pane, you will find several libraries categorized on the basis of various systems, clicking on each one will display the design blocks on the right window pane.

Building Models

To create a new model, click the New button on the Library Browser's toolbar. This opens a new untitled model window.

A Simulink model is a block diagram.

Model elements are added by selecting the appropriate elements from the Library Browser and dragging them into the Model window.

Alternately, you can copy the model elements and paste them into the model window.

Examples

Drag and drop items from the Simulink library to make your project.

For the purpose of this example, two blocks will be used for the simulation - A Source (a signal) and a Sink (a scope). A signal generator (the source) generates an analog signal, which will then be graphically visualized by the scope(the sink).

Begin by dragging the required blocks from the library to the project window. Then, connect the blocks together which can be done by dragging connectors from connection points on one block to those of another.

Let us drag a 'Sine Wave' block into the model.

Select 'Sinks' from the library and drag a 'Scope' block into the model.

Drag a signal line from the output of the Sine Wave block to the input of the Scope block.

Run the simulation by pressing the 'Run' button, keeping all parameters default (you can change them from the Simulation menu)

You should get the below graph from the scope.