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Andy Bartlett

Last seen: 3 giorni ago Active since 2015

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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...

circa un mese ago | 0

| accepted

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 ...

circa un mese 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...

circa un mese 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 ...

circa un mese ago | 0

| accepted

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....

circa 2 mesi 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...

2 mesi 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...

2 mesi 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...

2 mesi 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...

2 mesi 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...

2 mesi 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...

2 mesi ago | 1

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

3 mesi ago | 0

| accepted

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...

3 mesi 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...

3 mesi ago | 0

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

3 mesi ago | 0

| accepted

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...

3 mesi ago | 0

| accepted

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...

3 mesi ago | 1

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

3 mesi 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. ...

4 mesi 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 ...

4 mesi ago | 0

| accepted

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...

4 mesi 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....

4 mesi ago | 1

| accepted

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...

5 mesi 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...

6 mesi 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...

6 mesi 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 ...

6 mesi ago | 0

| accepted

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...

6 mesi ago | 1

| accepted

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...

6 mesi 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...

7 mesi ago | 1

| accepted

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...

8 mesi ago | 1

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