halleyhit

Last seen: 4 days ago | Active since 2017

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Simulink running despite error message
It seems Simulink can not determine the size of variables in MATLAB Function block. Please try to use "edit data" on top left, a...

7 days ago | 0

| accepted

Answered
Why i am getting this error when trying to open a simulink test file?
MATLAB Online - MATLAB (mathworks.com) As shown in Supported Products, there is no Simulink Test. So you can not open it in Onl...

7 days ago | 0

Answered
In R2024a, when searching for components using Chinese after double clicking on the Simulink interface, it will get stuck
It is because input orther than EN is not supported in this workflow. As a workaround, you can input Chinese in Note, copy and p...

7 days ago | 0

Answered
Compiled exe app doesn't work on a function used within another function
In your second function, you are using syms, which is from Symbolic Math Toolbox. As shown in doc: MATLAB Compiler and Simulink...

7 days ago | 1

Answered
在java语言中调用matlab生成的jar包时，出现 Segmentation violation detected 错误
写了 This crash report。。。这个是软件崩溃了，比如安装不当之类的，建议问jar的作者，他是啥环境下做的

10 days ago | 0

Answered
Does MATLAB work with Qualcomm arm processors? For example, Microsoft surface pro 11 with X Elite processor, and Windows 11 on Arm.
I would like to suggest MATLAB Online, and you only need browser and internet connection.

2 months ago | 0

Answered
How to read value from spreadsheet while using symbolic math tool?
I think you need to convert char to value first, and then, value to sym. So the code may look like input = '0.853721-1.816893i'...

2 months ago | 0

Answered
150Hz Sine wave in MATLAB simulink
Hi Manuprabha, please make sure you feed 150*2*pi to the block, because the unit is rad/s. Then, please use a smaller sample tim...

2 months ago | 1

Answered
problem launching the course
Hi Tai, please try 1.use Chrome in latest verson 2.clear browser cache

2 months ago | 0

Answered
why does matlab invent decimal numbers?
Hi Luca, double, as a data type, is not as accurate as you expected. It would usually cause a relative error about 1e-16, which ...

2 months ago | 0

| accepted

Answered
why do I got such a low score when i use bench function in matlab2024a
Hi Cui, if you can find another computer with similar hardware config and higher bench score, we can say there is issue in your ...

2 months ago | 0

Answered
How to make custom PMSM block?
Hi Tejas, you can double-click the block to change parameters. If not working, maybe it due to the block. MATLAB provides a nu...

2 months ago | 0

Answered
Assistance Needed to Determine Noise in ECG Dataset
Hi Sabrine, it depends on how you define "noise". If you define "high frequency signal" as "noise", Star already provides soluti...

2 months ago | 1

Answered
How avoid exponential notation in compose
compose("%f",daily) or more specific compose("%4.4f",daily) seems working

2 months ago | 1

Submitted

PPT PageUp and PageDown based on voice command
Say "right" or "left" to your microphone, and PPT slides will PageUp and PageDown. right - next page left - previous page

2 months ago | 10 downloads |

Answered
Inverse huge matrix with tall array
Hi chen, I am writing some lines code and find they are working fine. You can directly solve equeation AX=B or get x_inv by tall...

2 months ago | 0

Answered
Issues with Identifying "Signal Copy" Blocks in Simulink Model Using find_system
Hi Azeddine, you may try some code like get_param(gcb,'BlockType') to get the block type. I find it should be 'SignalConversi...

2 months ago | 1

Answered
Is enabled subsystem confusing? (Enable Port)
Hi Ahmed, when the block is disable, the state inside the block would change (held or reset). However, the results of the behavi...

2 months ago | 1

Answered
Connecting the 3 phase inverter output to the inport of the induction machine(squirrel cage) block
Hi Daryll, please note, Simscape Electrical (the blocks in blue) and Specialized Power Systems (the block in black) are differen...

2 months ago | 1

Answered
How to draw a line graph in a 2D oblique coordinate system?
酱紫？ Jiang Zi? i=sqrt(-1); x_v=1; y_v=(1+i)/sqrt(2);%定义y轴的方向 x=1:10; y=1:10; data=x*x_v+y*y_v;%把原来的数据x-y变到新坐标系 x=0:10...

2 months ago | 0

Answered
为什么每次下载到一半都会出现“下载产品文件时出错。请检查您的Internet连接，然后重新运行安装程序。”，但我的Internet明显一点变化都没有过，感觉不是这方面问题，那会是什么问题呢
和下载什么东西有关，如果是安装matlab，一般是真的网络问题；如果是安装add-ons，那么很可能和安装的具体package有关

2 months ago | 0

Answered
matlab如何实现两个矩阵的去同存异
我猜你是要 setdiff(A,B) 但为啥A和B计算结果是642，7呢

2 months ago | 0

Submitted

wordcloud for Chinese
This very simple script splits Chinese article into character("zi", not "ci"), and then it uses wordcloud to show high-frequency...

3 months ago | 3 downloads |

Solved

Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

6 months ago

Solved

Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation, * F(n) = F(n-1) + F(n-2) * where F(1) = 1 and F(1)...

6 months ago

Solved

Laws of motion 3

6 months ago

Submitted

Funny Flying Cursor
After running the script, your mouse cursor will move uncontrollably

6 months ago | 2 downloads |

Submitted

video edge detection demo for fun
This simulink model is just for fun. You can import a video file and the model will make edge "beautiful"

7 months ago | 2 downloads |

Submitted

Generate Koch Snowflake
Very simple code to generate Koch Snowflake.

8 months ago | 2 downloads |

Submitted

Demo based on DrivingScenario for fun
this demo is for fun, which contains map of Natick Apple Hill and Lackside

10 months ago | 1 download |

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