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Andy Bartlett

Last seen: Today Active since 2015

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Answered
How to read and write to an upper half or a specific bit from a decimal number in Simulink?
Bitwise AND, OR, XOR, NOT (aka complement), shift, ... are the ways commonly used to set, clear, or otherwise manipulate bits ...

6 days ago | 1

| accepted

Answered
Interfacing hardware components with fixed bit width in Simulink/HDL Coder
Reinterpret Scaling Cast A technique to achieve goals like you described is to use a "Reinterpret Scaling Cast". The key idea o...

6 days ago | 0

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Answered
define a counter which will starts counting from zero automatically when the count reaches to 10
In a Simulink model, click on the canvas and type "counter" you'll see a list of blocks one of these is called Counter Limited...

12 days ago | 0

Answered
fiaccel set fi numeric type based on input
When using MATLAB Code with MATLAB Coder, MATLAB Function Block, or fiaccel, the numeric type of a variable is not allowed to ch...

20 days ago | 1

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Answered
INHERIT VIA BACKPROPAGATION MEANS
Inherit via Back Propagation The purpose of the setting Inherit via Back Propagation is for a block have its output data type ...

26 days ago | 0

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Answered
Changing significant digits of constant block
The constant block is showing the text that is entered for the parameter, and is not showing the evaluated numeric value. You do...

1 month ago | 2

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Answered
Why does fi signed plus unsigned produce needless range bits?
The behavior observed when adding signed and unsigned inputs is currently a limitation in Fixed-Point Designer. The sum output d...

1 month ago | 0

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Answered
How to create FMU source code for Linux 64 in windows with LONG_MAX set to 64 bit
Simpler need If you're goal is just to have the size of long defined as 32-bits in the generated code, then you can change the ...

1 month ago | 0

Answered
Simulink Counter counts random numbers (not by order)
If you have not already done so, try using the Simulink debugger. Instead of clicking the Run icon on the toolstrip, click the ...

2 months ago | 0

Answered
Simulink Counter counts random numbers (not by order)
Check the sample times of the blocks being used. One hunch is that your are running the blocks in continuous-time. And, the Sc...

2 months ago | 0

Answered
Tapped delay with Number of delays parameter of datatype "Single"
I believe the block currently requires that the MATLAB code entered in the edit box for parameter "Number of delays" to ev...

3 months ago | 0

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Answered
overflow detected due to mux signal
To understand why overflow is not reported for the scalar case you described, my suggestion is to Turn on show port data type ...

3 months ago | 0

Answered
overflow detected due to mux signal
Hi, The branches leading to the inputs of the switch block will normally all get evaluated in simulation even though the result...

3 months ago | 0

Answered
This assignment writes a 'int16' value into a 'double' type.
My guess is you are using this code in a situation that explicitly or implicitly requires generation to C/C++ code such as ...

3 months ago | 0

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Answered
Usage of Switch block according to the MAAB guidelines
To satisfy the MAAB guideline, drop in a relational operator block and a constant just prior to the switch block's middle input....

3 months ago | 1

Answered
How quantization is impletemented in matlab ( by quantization i mean either the conversion from floating point format to fixed point or the conversion from fixedpoint q-format to an other fixed point format)
Yes, Fixed-Point Designer product makes it easy to handle fixed-point in MATLAB and Simulink. will make it easy to handle fixed...

4 months ago | 0

Answered
Binary Point scaling Vs Slope Bias scaling
Slope and Bias Scaling can Maximize Accuracy Per Bit The key motivation for Slope and Bias scaling is maximize accuracy per bit...

4 months ago | 0

Answered
I need fixed point calculation in brief for fixdt(0/1,wl,slope,bias) defination?
Fixed-Point Scaling Equation The Fixed-Point Scaling Equation is described at this link. real_world_value = (slope * sto...

4 months ago | 0

Answered
Transition not executed despite true condition
@Scherer Gábor Hi, I did a quick spot check of the functionality I've attached a model showing transitions based on relation...

4 months ago | 0

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...

4 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...

4 months ago | 1

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

4 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...

4 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...

4 months ago | 0

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

5 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...

5 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...

5 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...

5 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. ...

5 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 ...

6 months ago | 0

| accepted

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