# Seth Popinchalk

Last seen: 6 días hace Con actividad desde 2011

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Parallel Computing with Simulink: Model Reference Build
These files accompany my blog post of the same name.

casi 8 años hace | 2 descargas |

3-D DataViz Contest Animation
Scatter plot of results, CPU Time and node count in 3-D, turned into an animated GIF.

casi 8 años hace | 1 descarga |

Hierarchical Symbol Resolution
Example model that shows hierarchical symbol resolution in action.

casi 8 años hace | 1 descarga |

Bus Copies Explained
These files accompany the Seth On Simulink® blog post of the same name.

casi 8 años hace | 1 descarga |

Example models that show the use of diagnostics to improve the model.

casi 8 años hace | 2 descargas |

These files accompany the November 2006 article in MATLAB Digest

casi 8 años hace | 2 descargas |

Resuelto

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

más de 12 años hace

Resuelto

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

más de 12 años hace

Resuelto

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

más de 12 años hace

Resuelto

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

más de 12 años hace

Respondida
While characters are not a type you can use on a signal line, you can cast them to an Int8 and then work with that. No blocks i...

más de 12 años hace | 2

Respondida
FFT not matching with Continuous FT
Computing the correct scaling of the FFT is difficult as you must also account for the length of the signal data. This is exp...

alrededor de 13 años hace | 0

Respondida
Time dependent switch
Use the output of the Clock as the control signal for the switch. Then the threshold can be set to the time you would like it t...

alrededor de 13 años hace | 2

Respondida
The SIM and SIMSET command can not be called from the MATLAB Compiler (This is documented <http://www.mathworks.com/help/compile...

alrededor de 13 años hace | 2

Pregunta

What configuration management system do you use for Model-Based Design?
Model-Based Design produces multiple files that require managing them through version control, and configuration management. Wi...

alrededor de 13 años hace | 3 respuestas | 1

### 3

respuestas

Respondida
Recommendations for Automation Tools... Missing
This section of the MAAB guidelines "recommends" to *tool builders* that they provide a table reporting the level of compliance ...

alrededor de 13 años hace | 0

Respondida
This could be the result of a corruption of the library browser repositories. These can be regenerated by deleting or renaming ...

alrededor de 13 años hace | 0

Respondida
Simulink library browser shows "No blocks"
This could be the result of a corruption of the library browser repositories. These can be regenerated by deleting or renaming ...

alrededor de 13 años hace | 0

Respondida
Models will evaluate blocks multiple times in the same time step when there are algebraic loops. Turn the algebraic loop diagno...

alrededor de 13 años hace | 1

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sum function
The <http://www.mathworks.com/help/toolbox/simulink/slref/add.html Sum block> can operate on a vector signal, summing all the el...

alrededor de 13 años hace | 0

Respondida
# Rewrite the equations as a system of first order derivatives. (Your equations are already in this form) # Add integrators to...

alrededor de 13 años hace | 0

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demux
If your multiplex operation is using the SUM block, you will have a hard time separating the impulses. It may be possible to de...

más de 13 años hace | 0

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Wireless webcam integration for Real-Time Windows Target
You can use the <http://www.mathworks.com/help/toolbox/imaq/fromvideodevice.html From Video Device block> from the Image Acquisi...

más de 13 años hace | 0

Respondida
how to calcuate derivate using simulink
The derivative block computes a time based derivative, using a difference ratio (not an analytic derivative). There is no blo...

más de 13 años hace | 1

Respondida
how do I use simulation time as realtime changing variable?
Use a Clock or Discrete Clock block to create a signal (t) then operate with that as your input to the algorithm. The algorithm...

más de 13 años hace | 2

Respondida
Try setting the Max Step Size to a small number (.1 or .01). It is possible that the model steps are too large to capture the f...

más de 13 años hace | 0

Respondida
to compare the floating value of a signal with file.mat signal
You can build the equation using blocks from the Math Operations and Logic and Bit Operations libraries. You will need an <ht...

más de 13 años hace | 0

Respondida
differential equations
Fixed step size is a solver setting under Configuration Parameters on the Solver page. If you are running a continuous model wi...

más de 13 años hace | 0

Respondida
How to plot graphs automatically in a simulink model??
There are lots of ways! * Signal Viewers * Scope blocks * etc.

más de 13 años hace | 0

Respondida
To workspace Block and To Workspace Signal don't exist in workspace
Variables assigned to the workspace do not appear until the model is paused or stopped. If you are trying to process the data f...

más de 13 años hace | 0