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Daniel

MathWorks

Last seen: environ un mois il y a Actif depuis 2023

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Trainer in Simulink and HDL Coder.

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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...

3 mois il y a | 0

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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 ...

4 mois il y a | 0

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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?

4 mois il y a | 0

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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 ...

4 mois il y a | 1

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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...

5 mois il y a | 0

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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 ...

5 mois il y a | 1

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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...

6 mois il y a | 0

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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...

7 mois il y a | 0

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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...

9 mois il y a | 0

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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...

9 mois il y a | 1

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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...

10 mois il y a | 0

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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...

10 mois il y a | 0

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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...

10 mois il y a | 0

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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...

10 mois il y a | 0

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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...

10 mois il y a | 0

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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 ...

10 mois il y a | 1

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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...

11 mois il y a | 0

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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...

11 mois il y a | 0

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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...

11 mois il y a | 0

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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...

11 mois il y a | 0

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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...

11 mois il y a | 0

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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...

12 mois il y a | 0

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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 ... ...

12 mois il y a | 0

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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...

12 mois il y a | 0

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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-...

environ un an il y a | 0

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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...

environ un an il y a | 0

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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...

environ un an il y a | 0

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Cannot connect to model 'time_simulink'; please try Update Diagram (Ctrl-D). Caused by: Error in 'time_simulink/Upsample': All sample times for this block must be discrete. C
You're trying to upsample a continuous input. The input has to have a discrete sample time before it can be upsampled. The sampl...

environ un an il y a | 0

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I have a problem with the angle function
Toward the end of the plot, your angle starts increasing by more than between successive samples. unwrap just compresses the di...

environ un an il y a | 1

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Extract segments from signal
As a caution, I'm not at all sure that this is the most efficient way to do what you're asking. That said, it looks like you wan...

environ un an il y a | 0

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