An open exchange for the MATLAB and Simulink user community
Modeling option: Vapor operating condition Orifice type: Variable Opening characteristic: Linear Problem: I do not know how to reconcile the concepts of physical signal S, control member travel, maximum orifice area, in order to understand the actual fraction of orifice area that is open given a...
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Hi, I have running code for 3-degre of fredoom builidng model. I was just wondeering how to clacute the base shear of the model. A simple code is given below. Can you please help me with that ?...
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clc; clear; close all; % Load the first image img1 = imread('AdiTech.jpg'); % First image img1_gray = rgb2gray(img1); % Convert to grayscale % Load the second image img2 = imread('Tema.png'); % Second image img2_gray = rgb2gray(img2); % Convert to grayscale % Apply edge detection...
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I want to fit a PK model with multiple datasets; every dataset has concentration time courses for different species in the model - how do I do this? The time points in each dataset are not...
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I was able to create a surf plot where values greater than 1000 are red and less than 1000 are blue. Is there a way that I could use different shades of red and blue depending how far away from 1000...
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📢 We want to hear from you! We're a team of graduate student researchers at the University of Michigan studying MATLAB Drive and other cloud-based systems for sharing coding files. Your feedback will help improve these tools. Take our quick survey here: Tak...
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Last year I discussed the collaboration between the open source optimization library, HiGHS and MathWorks. This included some exciting new integration of the HiGHS library with MATLAB which, among other things, is speeding up MATLAB's linear and mixed-integer programming solvers linprog and intl...
Obtiene parámetros dinámicos de registros de aceleración vs tiempo gráficamente y con la transformada rápida de Furier
Live Script illustrating how to access Perplexity.AI API, open citation URLs, and create MATLAB codes.
Today, we’re sharing some predictions on what the startup ecosystem might look like in 2025. In no particular order, here are some of the key themes we anticipate: Corporate Engagement in Startups – We’ve seen a rise in large corporations interested in startups, not just through monetary investment...
Live Script illustrating hypothesis tests with a noisy sinusoidal signal.
I have a ERS Co2 sensor. It is connected to the TTN and the TTN is receiving the data. I want to connect it to ThingSpeak. First, I used the payload uplink formatter recommended by the ELSYS company...
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6G will unlock new use cases for wireless cellular networks, such as sensing and building digital twins. To support these innovations, integrating advanced link-level simulations with ray tracing delivers high simulation accuracy in performance evaluations. This combination enables precise modelling...
Imagine you are developing a new toolbox for MATLAB. You have a folder full of a few .m files defining a bunch of functions and you are thinking 'This would be useful for others, I'm going to make it...
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I am glad to inform and share with you all my new text book titled "Inverters and AC Drives Control, Modeling, and Simulation Using Simulink", Springer, 2024. This text book has nine chapters and three appendices. A separate "Instructor Manual" is rpovided with solutions to se...
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This week's post is a suggestion from Raymond Estrada from MATLAB and Simulink Consulting Services. Raymond reached out recently to share a tip for verifying and validating logged signals in the code generated from Simulink.The ProblemIt's a common practice in the verification and validation...
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...
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...
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...
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&...
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...
This model demonstrates an ESS powered by solar which integrates renewable energy sources with an efficient battery storage mechanism
This week I received a series of interesting questions on the basics of putting together a simulation of a control loop involving a Simscape continuous plant and a discrete controller. The questions are summarized in this image:Here are my answers to those questions.Discrete ControllerI recommend im...
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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Customize scenes in Unreal® Editor for co-simulation with Simulink®.
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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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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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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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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This project describes how to model a Building Energy Management System with Simscape, including heat transfer, and HVAC control.
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, after logging into my Matlab Online account I get an error like: Oops! This page is currently unavailable. We're sorry, but you can't access this page at the moment. This might be due to: The requested resource is unavailable An incorrect URL was entered Insufficient privileges Co...
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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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I have recently installed MATLAB 2024b in an Ubuntu 24.04.2 system. When starting MATLAB I obtain the following errors: com.jogamp.opengl.GLException: X11GLXDrawableFactory - Could not initialize shared resources for X11GraphicsDevice[type .x11, connection :0, unitID 0, handle 0x0, owner false, ...
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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 ...
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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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...
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