Answered
Integrator block: Deriving velocity from acceleration
Let me describe a systematic way to get from Your knowledge of the physical equations describing your system to Si...

6 months ago | 0

Answered
Accelerating the compilation time of optimisation problem
You can get dramatic speed-ups across multiple simulation by using Simulink's Fast Restart and several related features. See thi...

6 months ago | 1

Answered
Obtain variable name in TLC
Consider doing it in two parts bytes = LibBlockInputSignalWidth(0) * sizeof( LibBlockInputSignal(0, "", "", 0) )

7 months ago | 0

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Answered
Hold multiple values in a signal
These ideas may get you moving forward. 1) In Simulink (unlike MATLAB) signals have fixed maximum lengths and most commonly th...

7 months ago | 0

Answered
how to find the minimum resolution for controller output signal ?
Minimum resolution could mean multiple things. My guess is you want to do a rough what-if-analysis to determine how coarsely yo...

7 months ago | 0

Answered
How do i get the slope of a running simulink file?
Look at the Discrete Derivative block.

7 months ago | 0

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Answered
Programmatically get propagated datatype of a block
Hi, The attached function provides an example of how to use Simulink API's to get data type information from signals and run-ti...

7 months ago | 0

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Answered
How to use Convolution in Simulink?
You can quickly model this BEHAVIOR using the two Tapped Delay blocks one Dot Product block I emphasized BEHAVIO...

7 months ago | 1

Answered
Data Type Conversion in simulink
To explore the impact of output data type specification rounding mode specification integer overflow handling specification...

7 months ago | 0

Answered
How to delay a signal arbitrarily without using a Delay block in Simulink
Open Simulink Library Browser search on the term: Delay You will see many blocks that provide different delay capabilities. ...

8 months ago | 0

Answered
How can I create an S-Function with dynamically typed inputs that support uint64 in Simulink
S-Functions work with features that utilize code generation in a variety of ways. The way I'm familiar with to get the fullest ...

8 months ago | 0

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Answered
How can I create an S-Function with dynamically typed inputs that support uint64 in Simulink
Hi Daniel, Providing one extra argument -lfixedpoint when mex'ing your SFunction should solve the linker issue. An examp...

8 months ago | 0

Answered
Matlab 2018b Simulink does not recognise the input/output of datatype uint64
Way back in the "dark ages" of the 1990s, 64-bit integer were not main stream integer types like 8-bit, 16-bit, and 32-bit were....

8 months ago | 1

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Answered
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...

9 months ago | 0

Answered
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...

10 months ago | 0

Answered
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...

10 months ago | 0

Answered
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 ...

10 months ago | 0

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Answered
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...

10 months ago | 1

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Answered
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...

10 months ago | 0

Answered
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...

11 months ago | 1

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Answered
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...

12 months ago | 1

Answered
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...

12 months ago | 0

Answered
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...

12 months ago | 0

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Answered
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...

12 months ago | 0

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Answered
Evaluate surface fit in Simulink
Please see if the answer here helps.

1 year ago | 0

Answered
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 ...

1 year ago | 1

Answered
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...

1 year ago | 0

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Answered
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...

1 year ago | 0

Answered
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...

1 year ago | 0

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Answered
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...

1 year ago | 0

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