halleyhit

Last seen: 2 dagen ago | Active since 2017

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我再使用强化学习工具箱编写SAC智能体进行训练时策略一直在上下限波动，没有很好的探索，而使用DDPG智能体和PPO智能体则是能够进行一些有效的探索，请问这是什么原因？
不同的智能体就是适应不同问题的，如果一个智能体能应对所有问题，那么就不会有其他智能体了

3 maanden ago | 0

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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...

3 maanden ago | 0

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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...

3 maanden ago | 0

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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...

3 maanden 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...

3 maanden ago | 1

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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

3 maanden ago | 0

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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.

5 maanden ago | 0

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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'...

5 maanden ago | 0

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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...

5 maanden ago | 1

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

5 maanden ago | 0

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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 ...

5 maanden ago | 0

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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 ...

5 maanden ago | 0

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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...

5 maanden ago | 0

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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...

5 maanden ago | 1

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

5 maanden ago | 1

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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...

5 maanden 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...

5 maanden 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...

5 maanden 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...

5 maanden 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...

5 maanden 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

5 maanden ago | 0

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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

5 maanden ago | 0

Answered
How to solve DE by matlab
Usually, ode45, ode23 and some other commands can solve DE. However I think in this homework, you should code yourself.

bijna 8 jaar ago | 0

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cftool remove original data from fitted result
1. fit->save to workspace, choose save fit to matlab object named fit1, for example. 2. In command window, plot(x,fit1(x)). Her...

bijna 8 jaar ago | 0

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Integrator in simulink ?
Simulink/Sinks/XY Graph. Is this what you want?

bijna 8 jaar ago | 0

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distance measurements from image to world
I don't think there is a specialized function or toolbox in Matlab to solve your question. However you can have the distance of ...

bijna 8 jaar ago | 0

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importing csv file into matlab
I think it is because the csv file contains too many strings. csvread is to load data not string. You can use "Improt data" on y...

bijna 8 jaar ago | 0

Answered
EM Simulation of modified capacitor structure
What you want to solve is a partial differential equation (EQS or MQS equations). In matlab, PDEtool may help you. However, I th...

bijna 8 jaar ago | 0

Answered
Plotting electric field at many points in 3D space.
Maybe the function quiver3 may help you. However I haven't use this function so long time. I'm not sure if it works.

bijna 8 jaar ago | 0

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How can I solve this system? fsolve solver fails
Solving f(x)=0 means the optimization of min(abs(f(x))). So, optimtool, which is a powerful toolbox in matlab may also help you....

bijna 8 jaar ago | 0

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