An open exchange for the MATLAB and Simulink user community
I am working on generating wind roses - I have been able to get a nice wind rose where I can color the bars by wind speed, but is there a way to also color or change the transparency based on the...
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I am a Solutions Architect with HPE working with a customer who wants to move from hundreds of individual tower workstations to a client-server based architecture. I am looking for a manufacturer-recommendation, including optimal processor cores, memory, and GPUs, to build out a solution. I appr...
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Hi I am using Matlab 2021a I am getting an error while generating S-function from my simulink model. I am using Microsoft Visual C++ 2019 (C) for C language compilation. I created healthy S-functions...
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I am trying to optimize integer variables with non-linear constraints using GA optimization. Specifically, the constraint is meant to make sure that each integer variable is unique (see example_2). I used to the following code to ensure that each integer is unique -size(unique(x),2) + size(x,2) w...
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I wonder if there is a way to import a custom library. I wouldnt want to re-create for all users the custom library. Or one should create a custom Toolbox to have/use a set of custom re-occuring functions and blocks?
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I am building the c-code of a Subsystem in Simulink with the embedded coder. The created header file includes the following code-snippet which represents the 6 inports and 2 outports of the subsystem. /* External inputs (root inport signals with default storage) */ typedef struct { real_T V_dc_ab...
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MATLAB makes it easy to integrate Python®-based AI models into your MATLAB and Simulink workflows. You can call PyTorch® and TensorFlow™ models - or any Python code - directly from MATLAB. For example, you can compare Python-based models to evaluate their accuracy and performance as part of the AI ...
Embedded progress bar. This m file creates/updates a progress bar from an axes/uiaxes placed on a figure/uifigure Many configurations are p
Easy to use Matlab fprintf(...) for general purpose logging to command window.
Do you conduct research on 'Engineered Systems'?If you are in the business of building or conducting research on 'Engineered Systems' there's a good chance that you are a user of MathWorks' tools. At MathWorks we talk about 'Engineered Systems' all the time but I don&...
A full rank update version of the secant method (t-secant) is given in single variable case.
We recently hosted a technical webinar focused on climate transition risk, specifically assessing climate impacts on credit risk. Elre Oldewage and Sara Galante, both application engineers at MathWorks presented the work our team has been doing in this space and how we can assist our customers who a...
Guest Writer: Eric Ludlam Joining us again is Eric Ludlam, development manager of the MATLAB charting team. Discover more about Eric on our contributors page. MATLAB Graphics supports 3D shapes and lighting properties, but the light objects don't cast shadows. Let's explore a way to...
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Recently my iMac became sluggish. I checked Activity Monitor and found it was spending most of its time in mds_stores. I turned of Apple Intelligence under System Settings - Apple Intelligence &...
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The GCD approach to identify rough numbers is a terribly useful one, well worth remembering. But at some point, I expect someone to notice that all work done with these massively large symbolic...
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Yes, some readers might now argue that I used roughness in a crazy way in my last post, in my approach to finding a large twin prime pair. That is, I deliberately constructed a family of integers...
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Econometric modeling is essential for analyzing economic data, making forecasts, and informing policy decisions, however, traditional approaches often require extensive coding expertise, making them inaccessible to many economists and analysts. With the Econometric Modeler app in MATLAB, you can bui...
You recently bought an electric kettle for your kitchen, and you want to estimate how much it costs to run every month. The kettle operates at 230V and consumes 2000W (or 2kW) when in use. You...
A voltage divider is a simple circuit used to obtain a reduced voltage from a higher voltage source using two resistors in series. The output voltage (Vout) is given by the formula:Where:Vout is...
In an electrical circuit, the current (III) flowing through an LED is determined using Ohm’s Law:Where:I is the current in amperes (A)V is the supply voltage in volts (V)Vf is the forward voltage...
The energy (EEE) stored in an inductor is given by the formula:Where:E is the energy in joules (J)L is the inductance in henrys (H)I is the current in amperes (A)Write a function that takes...
Almost immediately after the DeepSeek-R1 AI models were made available to the world, people started asking how you can use them in MATLAB. Late last week, Vasileios Papanastasiou, a software test engineer at MathWorks, posted how to do this on LinkedIn and this morning I tried out his instructions f...
Try new Beta features to create, visualize, and run pipelines for machine learning workflows.
On 3 of my students' laptops that have Matlab installed, regardless of whether I use the publish function in the Command Window, or the publish tab at the top, I cannot get Matlab to generate a pdf. It gives me the same error on all 3 laptops: Error using mlreportgen.re.internal.xml.transfor...
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This curriculum module contains interactive examples that teach fundamental concepts of power electronics.
In this blog post we are going to show you how to use the newest MATLAB functions to: Import models from TensorFlow and PyTorch into MATLAB Export models from MATLAB to TensorFlow and PyTorch This...
Everyone's talking about Large Language Models (LLMs) and a huge number of you are using them too. Here are 4 ways to make use of them in the MathWorks ecosystem right now, no matter what your skill...
During an online meeting with my colleagues in Boston yesterday, some of them were rather startled when their offices started violently shaking for a brief time! We quickly hopped onto BlueSky (Feel free to follow me there) where we saw thousands of messages referring to what everyone suspected was ...
Back in April last year, I announced the MATLAB extension for Visual Studio Code on The MATLAB Blog and everyone at MathWorks was blown away by its popularity. In less than a year there have been...
This model demonstrates an ESS powered by solar which integrates renewable energy sources with an efficient battery storage mechanism
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This topic is for discussing highlights to the current R2025a Pre-release. R2025a Pre-release highlights One of the changes is the built-in support for Dark Mode and Themes. Personally I find Dark...
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In the past two years, large language models have brought us significant changes, leading to the emergence of programming tools such as GitHub Copilot, Tabnine, Kite, CodeGPT, Replit, Cursor, and many others. Most of these tools support code writing by providing auto-completion, prompts, and sugg...
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You've probably heard about the DeepSeek AI models by now. Did you know you can run them on your own machine (assuming its powerful enough) and interact with them on MATLAB? In my latest blog post, I...
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Starfish Optimization Algorithm (SFOA) is a novel bio-inspired metaheuristic for solving optimization problems.
On 27th February María Elena Gavilán Alfonso and I will be giving an online seminar that has been a while in the making. We'll be covering MATLAB with Jupyter, Visual Studio Code, Python, Git and...
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Vehicle templates with multibody suspension and electric powertrain sized for Formula Student competitions.
Hello everyone, I’m planning a new PC build and am currently undecided about which CPU to choose. I understand that AMD CPUs have faced some slower performance in MATLAB due to Intel MKL but I...
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Remove the row that contain the max value in the matrix?If you like the problem, please like it :) %%x = [1 2 3 4 5 6 ...
Hello, I have been encountering several times a day for a few weeks an error when updating my data stored on Thingspeak (computerized hive parameters). The return code of my Arduinos is 211! But I...
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Remove the row that contain the min value in the matrix?If you like the problem, please give it a like:) %%x = [1 2 3 4 5 6 ...
Remove the column that contain the max value in the matrix?If you like the problem, please give it a like:) %%x = [1 2 3 4 5 6 ...
Remove the column that contain the min value in the matrix?If you like the problem, please give it a like:) %%x = [1 2 3 4 5 6 ...
Delete rows with specific properites as following:Find rows that have a negative value in any element of the row and delete it.Check if the last element of the row is equal of bigger than 24 and...
Hey everyone! I recently came across a bug on ArchLinux when using MATLAB. Since some time (about last week or 2 weeks ago), everytime I try and startup MATLAB (either from cmd, or application shortcut) I get the following error: Command `service` threw an exception Error loading /home/timey/.Ma...
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Hi, I'm solving a system of equations . x=null(A); The problem is that due to a very wide range of values in the A matrix () the roundoff error result in inacceptably large relative errors in the...
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