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Content Feed
How can I get a sum of elements over a specified sample period in simulink?
For the case you described, a known fixed sample time (1ms in your case) and a know fixed time window (32ms in your case) to ave...
12 jours ago | 0
Error: The class uint64 does not map to a 64-bit C type.
If this error is happening when you are explicitly attempting to generated code with MATLAB Coder, Simulink Coder, or Embedded C...
environ un mois ago | 0
check if input data in simulink changes by a certain specific value
Hi Aadithya, Some suggestions. Study and experiment with the full set of capabilities of the Delay block including Initial co...
environ un mois ago | 0
how to mask specific bits in a signed fixed point number?
Full-precision multiply A full-precision multiplication of the 16 bit inputs can be done like so format compact format long ...
environ un mois ago | 0
| accepted
Simulink Fixed-Point tool false error
Hi Ali, I suggest you reach out to tech support. For example, use the Request Support button on MATLAB's HOME toolstrip. If yo...
environ 2 mois ago | 0
Error : Constant Operands
I'm puzzled by the error you described "Operands must be constants.". When I attempt to reproduce the issue, I don't observe an...
environ 2 mois ago | 0
Lookup Table Error: Values of 'BreakpointsForDimension1' in 'Model' must be strictly monotonically increasing.
Please check the data type specified for the breakpoints. Quantization of the original value to the specified run-time data typ...
3 mois ago | 1
| accepted
How to represent this state space form in Simulink model?
Drop 4 integrators (1/s) into your model, do not connect them to anything yet. Draw signal wires leading in and out of each int...
3 mois ago | 1
Colon operation in fixed-point
fi colon integer values only As the fi colon documention mentions, all colon operands must have integer values. Strategy to ge...
3 mois ago | 0
How can I use int64 and uint64 with my Simulink S-function?
Two Key Headers for 64-bit Integers in Simulink S-functions. To use 64 bit integers, your S-function should include these two h...
3 mois ago | 0
| accepted
Use mask's input into mask intialization
It is not possible to feed a signal into a mask initialization code. Only parameters feed into mask initialization code. Signal...
3 mois ago | 0
| accepted
How to use cfit objects in Simulink?
The attached model and MATLAB code show how a fit created with Curve Fitting Toolbox can be called from a MATLAB Function Block ...
5 mois ago | 1
Why does Simulink's Weighted Sample Time block sometimes use fixed-point data types for its output?
Weighted Sample Time block is Polymorphic The Weighted Sample Time Math block is numeric type polymorphic. For inputs, it suppo...
5 mois ago | 0
| accepted
Update matrix values inside MATLAB Function block
Something to be aware of is that MATLAB Function Block primarily uses code generation mode and not interpreted mode. Interprete...
5 mois ago | 0
How can I use fixdt-tool to convert a matrx variable which has huge range difference of diffenent elements
Fixed-Point Designer does not support per element scaling for vectors and matrices. A good solution to your need will depend on...
5 mois ago | 0
| accepted
Simulink signal mean without zeros
Two key ideas. Use unit delay block to hold calculated values so far Use conditional logic to control when math does or does n...
6 mois ago | 0
How to pass a string dialog (masked) parameter to TLC file for a Level-2 MATLAB S-function?
See this doc page. https://www.mathworks.com/help/simulink/sfg/writertw.html and in this example edit('adapt_lms.m'); search...
6 mois ago | 0
| accepted
Is it possible that the "m. file" code is converted from the double precision to the single precision??
Hi, The tools for converting double precision floating-point to single precision for MATLAB code and Simulink models work best ...
6 mois ago | 0
(Need Help) Is There Any Single-Precision Optimization Code?
I'm not sure if there is support for single-precision simulation and code generation of the kind of standalone optimization solv...
6 mois ago | 0
Simulink model: Invalid data type for root level port
I suspect your inport "REEC" is not explicitly specifying its data type and is inheriting data type single via Simulink underspe...
6 mois ago | 1
| accepted
How to get Tabledata and break point values using command line for look up table
First, get an array of block paths by searching on 'BlockType', 'Lookup_n-D'. Second, iterate over each block in that list to e...
7 mois ago | 0
How do I input a tranfer function in simulink with just a numerator?
The Laplace operator s represents a derivative and its inverse (1/s) represents an integrator. In concept, you could model 3*s ...
7 mois ago | 0
Make matlab use single as standard for code generation
Embedded Coder is designed to keep the generated code consistent with a Simulink model's simulation behavior. Changing doubles t...
7 mois ago | 0
What is the real value of "single(my_variable)"?
Decimal text rounds to nearest representable value When decimal text is read in and parsed by MATLAB, a C compiler, your own cu...
8 mois ago | 0
| accepted
Simulink block to get the specified value
You need your design to remember the past value of a signal, so your design will need some lasting memory. Lasting memory is als...
9 mois ago | 0
How to set an input/output data type based block mask parameters?
One way to achieve this is to use the Mask Initialization code to create a dummy "value holder variable" of the same type specif...
9 mois ago | 1
| accepted
Simulation for custom multiprocessor hardware
Yes, a strength of Simulink is allowing all manner of different things to be brought together in a system level simulation. Thi...
9 mois ago | 0
| accepted
Use variable with number of bits for entiere and fractional part
Hi Mathieu, As Walter mentioned, Fixed-Point Designer provides fixed-point support for MATLAB, Simulink, Stateflow, Embedded Co...
10 mois ago | 3
| accepted
Why does C code generated from Stateflow logic with 'duration' operator have conversion to real_T (double) in it?
Tunable Pararmeters with Duration appears to be a Limitation for Singles only designs In the model above, tuneParam1, tunePar...
10 mois ago | 1