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Daniel

MathWorks

Last seen: 14 Tage vor |  Aktiv seit 2023

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Trainer in Simulink and HDL Coder.

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Beantwortet
Algebraic state in algebraic loop containing ... computed at time 0.0 is Inf or NaN.
I'm having some difficulty seeing exactly where the error is coming from---simulations that fail at the first time step can be a...

etwa 2 Monate vor | 1

| akzeptiert

Beantwortet
control simulink panel dashboard programmatically
There is information on how to attach dashboard blocks programmatically here (for the Knob dashboard block, as an example) and h...

etwa 2 Monate vor | 0

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Programmatically draw action signal line in a Simulink model
add_line(bdroot,'Switch Case/1','Switch Case Action Subsystem/Ifaction'), or similar. See the doc for the "in" argument to add_l...

3 Monate vor | 0

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The error message states: 'Derivative of state '1' in block 'pulse/PV Array/Diode Rsh/Transfer Fcn' at time 0.0 is not finite', How to resolve?
I'm not familiar with the specific block, but usually that message means that there's a value of infinity somewhere in the simul...

8 Monate vor | 0

Beantwortet
How to modify loop code for 3D data?
Based on what I can see, it looks like you're performing processing along one column of input data at a time. To amend that for ...

9 Monate vor | 0

Beantwortet
Regarding Matlab Simulink - R2019 Version
You should, in many cases, just be able to open and run it in the new MATLAB/Simulink version. Does that work?

9 Monate vor | 0

Beantwortet
Fill area between two lines
It's hard to say for sure without seeing the input data, but my guess would be that your xxO is a row vector and your envelopes ...

9 Monate vor | 2

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Fourier transform of a function differentiated with respect to time.
If you're invoking fft you're using the Discrete Fourier Transform, and your w values coming out of that function are evenly spa...

10 Monate vor | 0

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Beantwortet
2D phase of Fourier transform is not behaving as expected
There are two issues compounding here to make for the phase shift you're seeing. Issue 1: Careful alignment with the middle of ...

10 Monate vor | 1

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Beantwortet
Seeking Guidance on Simulink for Modeling an Industrial Gas Burner
Caveat: I know nothing about gas burners specifically. I have a digital background. In general gas burners are systems that pro...

11 Monate vor | 0

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Beantwortet
The name of these symbols in Simulink
You can find the type of any Simulink block by double-clicking it. The block parameters will show you the name in the upper left...

12 Monate vor | 0

Beantwortet
Use polyspace to open or write .m files
If you're just trying to read and write .m files, which are plaintext scripts, you can do this with any plaintext editor. If you...

etwa ein Jahr vor | 0

Beantwortet
How to model a transfer function in Simulink?
The Discrete Filter block under Simulink/Discrete should support your needs. You'll just need to simplify numerator and denomina...

etwa ein Jahr vor | 1

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Beantwortet
Extracting multiple subarrays from a given array in a loop, when the corresponding mulitple start- and end-point pairs are given
You can create a cell array with curly braces: cellArray = {}; Elements of a cell array can be anything, for instance variable...

etwa ein Jahr vor | 0

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Beantwortet
I need to add the Microchip PolarFire FPGA "non-ES" version as a HDL WorkFlow Adviser target: "MPF300T-1FCG1152".
I believe devices are loaded into HDL Coder based on the devices supported by the latest tool version MathWorks was able to test...

etwa ein Jahr vor | 0

Beantwortet
Changing the value of column in a file if matches certain criteria of another value
You can approach programming problems in the same basic way as word problems in math or science. What do you need to do? You've...

etwa ein Jahr vor | 0

Beantwortet
Solver error during simulation in matlab simulink R2023a
It's going to be hard to answer this without a little more information, so if you can upload the model that might help. That sa...

etwa ein Jahr vor | 0

Beantwortet
Cannot find hdlcoder_mixed_nfp_hfp.slx under examples
There's a box on the upper right of the doc page which says "Copy Command". Copying this command and pasting it into your MATLAB...

etwa ein Jahr vor | 0

Beantwortet
Breaker operation error in parallel solar system
I woud guess that Rsh_array5pc is, at some point during the simulation, dropping to a value very near zero, such that the value ...

etwa ein Jahr vor | 1

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Beantwortet
Changing discontinued cwtft function to cwt
It looks like cwtft was removed quite a while back (more than 5 years ago as far as I can tell). It might be a good idea to cont...

mehr als ein Jahr vor | 0

Beantwortet
How to get Simulink block name
As documented in the get_param documentation, BlockPaths = get_param(gcs,'blocks') will return the list of blocks at the level o...

mehr als ein Jahr vor | 0

Beantwortet
Flip Flops and other logic circuits
The crucial features of paired (transistor) NOR gates which make a flip-flop work are: Propagation delay. Simulink models thing...

mehr als ein Jahr vor | 0

Beantwortet
How to plot certain columns from a complex matrix
Assuming that your data input is a simple matrix of double, then: Determine the columns you want to plot. Since I'm assuming yo...

mehr als ein Jahr vor | 0

Beantwortet
What is the output sample rate of the below given code?
Per the comments, the output sample rate is 4800, but the more important question would be what the upsampling ratio is. The rc...

mehr als ein Jahr vor | 0

Beantwortet
New to simulink, how do I import data from a CSV to be used in a simulation?
The issue you're running into is that Simulink can't import data without knowing the timebase for it. Every input entry has to g...

mehr als ein Jahr vor | 0

Beantwortet
How to solve "invalid setting for parameter 'Gain' " while trying to simulate with only integral gain of a PID controller?
Although there's not a lot that can be said without seeing the actual model and script involved, the error "Invalid setting ... ...

mehr als ein Jahr vor | 0

Beantwortet
How do you take a set of values in a matrix and normalize them to a 360 degree rotation?
Am I right in thinking you would want to do something like this? [1 0 0 0 1 0 0 0 1] -> [0 90 180 270 0 90 180 270 0] or [1 0...

mehr als ein Jahr vor | 0

Beantwortet
Filtering out y values
If you're just looking for visual zoom, you can use the ylim command to set the y-limits on a graph. xlim works similarly for x-...

mehr als ein Jahr vor | 0

Beantwortet
Simulink start takes long time to compile
In general, setting reference models to Accelerator mode can be useful if they're making your model run slowly. This generates a...

mehr als ein Jahr vor | 0

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Beantwortet
How to change specific numbers to 0
There are two ways you can select elements of an array in MATLAB. Pass in an array of valid indices. "Valid" means that they're...

mehr als ein Jahr vor | 0

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