Nirmal Gunaseelan

MathWorks

Last seen: 1 giorno fa | Attivo dal 2011

Followers: 0 Following: 0

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I work as a Software Developer on the Simulink Semantics team at MathWorks and have a Signal Proc/Communications background.
Professional Interests: Software engineering, Communications/Signal Proc

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Why "Model arguments can not be used in non-tunable expressions"? in Referenced Simulink Models?
Model arguments in a referenced model are specifically designed to allow instances of referenced model to be tuned. It appears t...

circa 11 anni fa | 0

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how to copy matlab figure into ms word?
Take a look at the vast number of options at Exporting graphs page and choose the one that suits your need. The simplest approac...

circa 11 anni fa | 0

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Code Generation GRT: Make DSM non-volatile
I'm guessing you have already looked at <http://www.mathworks.com/help/rtw/ug/data-stores.html#f1103588 storage class of the DSM...

quasi 12 anni fa | 0

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Function-call initiator output in C-mex file for S Function
This <http://www.mathworks.com/help/simulink/sfg/function-call-subsystems.html documentation page> shows an example of how to ge...

oltre 12 anni fa | 0

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Model reference function-call output invalid connection
Could you also paste the exact message? I guess you have already checked the box "Accept Function call" in the Outport block. ...

oltre 12 anni fa | 0

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get all subblock names from a given system
<http://www.mathworks.com/help/simulink/slref/find_system.html find_system> does traverse through the entire model. Search Depth...

quasi 13 anni fa | 1

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SIMULINK BUG, or Am I missing something in DATA STORE MEMORY block?
Looks to me like an access issue. How about you make B as a global data store? This is just to make sure that your conditionally...

quasi 13 anni fa | 0

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How can I break down my Simulink model into smaller parts and allow multiple cores to process the model?
You could try modeling for concurrent execution as described in this <http://www.mathworks.com/help/simulink/examples/modeling-c...

circa 13 anni fa | 1

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How do I write to a data store block in a referenced model?
The page on <http://www.mathworks.com/help/simulink/examples/using-data-stores-across-multiple-models.html Using Data Stores Acr...

oltre 13 anni fa | 0

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ADC Sampling with Embedded Coder -- TI C2000 F28035
It appears that the function-call subsystem is defined to be periodic. You could change that to 'triggered' instead of 'periodic...

oltre 13 anni fa | 0

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Where to find Concurrent Execution Window: Main Pane?
The concurrent execution pane is for assisting in modeling distributed systems in Simulink. I do not think that this is what you...

oltre 13 anni fa | 0

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Simulink: referenced blocks, library or subsystems?
All three are componentization tools that suit specific needs. <http://www.mathworks.com/help/toolbox/simulink/ug/bs8xh1u-1.html...

circa 14 anni fa | 1

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Hybrid times, subsystems and model referencing
The model reference instances have to be compatible with the solver type specified in the top model. Take a look at these <http:...

circa 14 anni fa | 1

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Data store memory(DSM)
Hi James, Looking through all the warnings, it appears from the diagnostics that the MATLAB Fcn block is running at minor tim...

circa 14 anni fa | 0

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Data store memory(DSM)
Hi James, Could you give more details on what blocks are being used with the DSM block? Are you using a Data Store Write bloc...

circa 14 anni fa | 0

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Is there a simulation speed difference between subsystem and model block? and What's the best way to set and handle parameters?
Q1 - Model blocks are specifically designed to improve componentization of parent model and directly results in speed improvemen...

circa 14 anni fa | 0

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Simulink simulation
Check out <http://blogs.mathworks.com/seth/2010/06/22/how-to-customize-the-simulink-scope this> blog post that talks about custo...

oltre 14 anni fa | 0

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converting cell of strings in arry or cell of numbers
STR2NUM requires a single string to work on. You need to loop around the individual cell elements and use STR2NUM. CELLFUN is a ...

oltre 14 anni fa | 0

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And function in While loop
As is the case with any programming language, MATLAB evaluates the second operand of an AND operation only when the first operan...

oltre 14 anni fa | 0

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Find
Try making the input strings as part of a cell array. Then use STRFIND or STRCMP which will return a logical array of comparison...

oltre 14 anni fa | 0

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y=x(100:1000)
Matrix indexing - this <http://www.mathworks.com/company/newsletters/articles/Matrix-Indexing-in-MATLAB/matrix.html;jsessionid=S...

oltre 14 anni fa | 0

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Create and name a directory
You should be creating customized strings using concatenation and passing those strings to mkdir. Current folder name could be o...

oltre 14 anni fa | 1

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Why would a Simulink disabled block still be executed?
The MATLAB Fcn block will be executed once before simulation to determine what the dimensions of the output will be. This will h...

oltre 14 anni fa | 0

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Getting the signal names from a bus.
How about the output signal names? I think the selector block gets the information even during edit time - you might need to com...

oltre 14 anni fa | 0

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Out of memory - opening a big file
The <http://www.mathworks.com/support/tech-notes/1100/1107.html tech note> provides some general guidelines for handling out of ...

oltre 14 anni fa | 0

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Dynamic Input File Name Recognition
I'd strongly recommend using <http://www.mathworks.com/help/techdoc/matlab_prog/f0-42649.html Regular Expressions> for such pars...

oltre 14 anni fa | 0

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Simulink missed some of the time values during simulation?
The time steps chosen by Simulink depends on the type of solver (and the system that is being solved) that you have chosen. You ...

oltre 14 anni fa | 0

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Matlab function block
As long as you do not care about code generation, you should be able to call any function in the MATLAB path. Refer to the <http...

oltre 14 anni fa | 0

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selcting 3 values from top 10 values
A good place to start is <http://www.mathworks.com/help/techdoc/math/f1-85462.html Matrix Indexing>. One way of achieving this: ...

oltre 14 anni fa | 0

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Improving accuracy of computation
I recommend reading <http://blogs.mathworks.com/loren/2006/08/23/a-glimpse-into-floating-point-accuracy/ Loren's post> on this t...

oltre 14 anni fa | 0

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