Posts 411 - 420 of 460

S-functions, Bus Signals, and Missing Documentation 24

저자 Seth Popinchalk, April 17, 2009

This almost never happens, but today I get to share with you an undocumented Simulink capability! In R2009a the S-function builder has the ability to accept bus signals at its input and output... 더 읽어보기 >>

범주:: S-functions,; Signals,; What's new?

Spring 2009 MATLAB Contest: Data Visualization 1

저자 Seth Popinchalk, April 1, 2009

The Spring MATLAB programming contest has just begun. This contest is different from contests in the past, so I recommend you start by reading the contest rules. This contest is less about... 더 읽어보기 >>

범주:: Challenge,; Community,; Fun

Parallel Computing with Simulink: Model Reference Builds 6

저자 Seth Popinchalk, March 31, 2009

Have you seen the MATLAB Channel on YouTube?? I like the way you can express an idea using video, describe how things work, and then watch it work. That is why I asked my friend Doug to help me... 더 읽어보기 >>

범주:: Code Generation,; Model Reference,; Performance,; Real-Time Workshop,; What's new?

My Favorite New Feature in R2009a: SimState 9

저자 Seth Popinchalk, March 20, 2009

I am so excited about saving and restoring the simulation state in Simulink. This is my favorite feature of R2009a because it has been long anticipated and it enables important... 더 읽어보기 >>

범주:: Guest Blogger,; Simulation,; What's new?

New Release – Simulink R2009a 9

저자 Seth Popinchalk, March 13, 2009

Continuing the semi-annual tradition, I am excited to announce the latest release of MATLAB and Simulink, R2009a. Check out the Simulink release notes to get the full details of the release. Here... 더 읽어보기 >>

범주:: Libraries,; Model Reference,; Simulink Tips,; What's new?

Models Inspired by Real Life 21

저자 Seth Popinchalk, March 6, 2009

Often models are the predecessor to a real-life device; however, sometimes a device inspires the model. In the 1980s, there was a group known as the Leg Lab at CMU who researched running robots. In... 더 읽어보기 >>

범주:: Guest Blogger,; Modeling,; Physical Modeling

Modeling Mechanical Systems: The Double Pendulum 34

저자 Seth Popinchalk, February 26, 2009

Do you ever have to model mechanical systems? Mechanical systems consist of bodies, joints, and force elements like springs. In this post, I will show you how to model a double pendulum with base... 더 읽어보기 >>

범주:: Modeling,; ODEs,; Physical Modeling,; Simulation

Where Does That Variable Come From? 28

저자 Seth Popinchalk, February 15, 2009

Most Simulink models use workspace variable to define the important parameters. For example, setting the gain value to K and then defining K in the workspace. I wrote about initializing these... 더 읽어보기 >>

범주:: Masking,; Parameters

How do I test for NaN in my model? 8

저자 Seth Popinchalk, February 4, 2009

This week I want to pose a brainteaser that my colleague Jeff had to solve this week. Imagine you need to detect the condition where a signal value might become NaN (Not A Number). How do... 더 읽어보기 >>

범주:: Fundamentals,; Numerics

MathWorks Conversations and the FFT 10

저자 Seth Popinchalk, January 30, 2009

If you are like me, you read the doc, a lot. I am often clicking on the help just to verify my understanding of a function’s syntax, or the behavior of a block. That is why I wasn’t surprised to... 더 읽어보기 >>

범주:: Fundamentals,; Guest Blogger,; Signal Processing