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Andy Bartlett


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MathWorks

22 2015 年以降の合計貢献数

Andy leads the Fixed-Point Designer development team.

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  • Personal Best Downloads Level 1
  • Knowledgeable Level 2
  • GitHub Submissions Level 1
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  • Revival Level 2
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How to prevent override with double data type on certain block when deriving simulation ranges with Fixed-point Tool
Too bad the prior approach was not sufficient. Another approach is to use Model Reference. Each parent and child in a Model Re...

13日 前 | 0

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How to prevent override with double data type on certain block when deriving simulation ranges with Fixed-point Tool
The documentation discusses this here. I'll elaborate on that. To prevent Data Type Override from changing a numerictype, set ...

14日 前 | 0

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Some forms of Simulink logging write 64 bit integers as fi objects. Does that mean I need a Fixed-Point Designer license?
As of R2017a, a Fixed-Point Designer license would NOT be required. As of R2017a, constructing a fi object whose type is equ...

約2ヶ月 前 | 0

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回答済み
int64 in simulink / stateflow?
Update: 64 bit integer modeling in Stateflow is now available. Stateflow C support of int64 and uint64 is available as of R2019...

約2ヶ月 前 | 0

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[Fixed-Point Toolbox] How to speed up fi object matrix multiplication?
Making simulation two orders of magnitude faster with fiaccel If the fixed-point code you are simulating is code generation com...

約2ヶ月 前 | 0

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Is it possible to pass and use hexadecimal values in simulink, without converting decimal?
If you are interested in entering parameters in hex or binary For MATLAB integer types, then as of R2019b, MATLAB has newly ad...

約2ヶ月 前 | 0

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Tips and Tricks for 64 Bit Integers in Simulink pre-R2020a
Tips and Tricks for Using 64 Bit Integers in Simulink prior to R2020a

5ヶ月 前 | ダウンロード 7 件 |

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How to create 64 bit integer data type in Simulink
Hi Mikhail's instructions on registering a 64 bit integer type are spot-on. Nice job! Starting in R2017a, 64 bit integers in S...

5ヶ月 前 | 0

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Why can't I use variables of type int64/uint64 as block parameter in Simulink?
In R2020a, Simulink parameters can now be entered using MATLAB built-in int64 and uint64 types. For example, you can directly e...

5ヶ月 前 | 0

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Replace wide integer multiplication
Hi Leon, Solving the problem may be a simple as turning on support long long for the model. Please see this article. https://...

10ヶ月 前 | 0

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What is the difference between the fixed point and floating point modeling in simulink ?
Design choices like where to use floating-point or fixed-point are about embedded implementation efficiency. Implementation eff...

11ヶ月 前 | 1

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Numeric Efficiency Examples
Examples of crafting numeric efficienct embedded designs using mixtures of fixed-point, floating-point and approximations.

約1年 前 | ダウンロード 2 件 |

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Tutorial on Simulink Data Type Propagation Engine
Tutorial on Simulink Data Type Propagation Engine

2年以上 前 | ダウンロード 3 件 |

回答済み
What is stored integer value of a fi object?
Please see https://www.mathworks.com/help/fixedpoint/ug/scaling_f6389.html

2年以上 前 | 0

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How can I convert binary data into fixed point data
First, get the raw integer values in to MATLAB as either uint32 values or int32 values. Second, use the reinterpretcast funct...

2年以上 前 | 0

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Is it possible to force single precision instead of double precision when generating code from simulink?
Hi, This <https://www.mathworks.com/videos/data-type-exploration-and-visualization-of-signal-ranges-1506620567017.html video> s...

2年以上 前 | 2

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Force single precision floating-point in generated c code
Hi, There is a Single Precision Converter tool that ships with Fixed-Point Designer that will automatically convert a subsys...

2年以上 前 | 1

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How to get Port Data Type inside a Masked Block
Hi, There is no way to get this information up to the Mask initialization code a compile time, but blocks under the mask can s...

2年以上 前 | 0

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Why does simulink generate warnings about quantization error when running my simulation?
Hi, I assume the coefficients have been entered using with MATLAB code like this coef = [0.05 0.15] Since MATLAB de...

2年以上 前 | 0

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Hello. I have an issue related with the precission loss.
The code generation warning about using emulated types is not directly related to the primary question about parameter precision...

2年以上 前 | 1

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Hello. I have an issue related with the precission loss.
I realized this is an old question, but I see there are multiple recent views, so providing a very late answer :-( is still li...

2年以上 前 | 0

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Sil - mil compare for simulink model
Hi Giuseppe, Allowing the idealized floating point behavior to be compared with fixed-point behavior is a key feature of Fixe...

5年以上 前 | 2

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