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Dongyue

MathWorks

Last seen: 1 year 前 |  自 2022 起处于活动状态

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Whileloop output calculation?
The condition x1>10 is always true, making this while loop infinite. Consequently, the loop will continue indefinitely without p...

1 year 前 | 1

已回答
Hi please help I can't run my code it says not enough input arguments line 3
res = pipe_velocity(1,2) function v = pipe_velocity(d, Q) A = pi * (d / 1000)^2 / 4; % Cross-sectional area (m^2) v...

1 year 前 | 0

已回答
convert math expression to matlab code
You can try MATLAB Optimization Toolbox Please go through the following link for more information: https://www.mathworks.com/h...

1 year 前 | 0

已回答
i cannot access simulink fundamental courses
The issue is resolved now. As an alternative, you can use learning.simulink.launchOnramp('slbe') You can also access the cou...

1 year 前 | 1

已回答
How can I save each images in a loop for?
clear; close all; clc; for i = 1:5 img_name = ['img',num2str(i),'.jpg']; img = rand(25,25,3); imwrite(img,img_na...

1 year 前 | 0

已回答
'Simulink Fundamentals' course
please try programmatic launch: learning.simulink.launchOnramp('slbe');

1 year 前 | 0

已回答
Independence of two random variables having datasets
If two vactor x and y are linearly dependent, there should exist ax + by = 0, so you only have to check: clear; clc; result ...

1 year 前 | 0

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已回答
How can I display numbers in scientific notation but in magnitudes of 3 and to 3 significant digits?
classdef ScientificNotation properties(Access = private) sign; body; digs; num; ...

1 year 前 | 0

已回答
How to use comet function to show trajectory of two bodies simultaneously?
you can refer to the comet3n() function: https://www.mathworks.com/matlabcentral/fileexchange/49153-3d-comet-plot-of-multiple-o...

1 year 前 | 0

已回答
Generate random short fiber in matlab?
Please try this result = Generate_Fiber([0,1],[0,1],[0,1],0.5,2) function Fiber=Generate_Fiber(x,y,z,L,N) %input %...

1 year 前 | 0

| 已接受

已回答
NaN matrix and selection rows with 1
You can use readcell() function: data = readcell('your_file_name') After that, you need to do some data preprocessing, such as...

1 year 前 | 0

已回答
Simulink: Set Stop Time from Simulation Input
You can use the following command to botain the end time of the simulation from MATLAB command window: get_param('mymodel1', 'S...

1 year 前 | 0

已回答
Change time step during simulation in simulink
The sample time cannot be changed during a simulation. Please see this link for more info: https://www.mathworks.com/help/simuli...

1 year 前 | 0

已回答
Why my variable is not defined in this scope?
If the two conditions: if (d_k(i1) <= dR(end) && d_k(i1) >= dR(end-1)) and if (d_k(i1) <= dR(end-i2)) && (d_k(i1) >= dR(end...

1 year 前 | 0

已回答
hello, I am stuck at this part of my code
Hi Christian, I have updated your script, please check the attached file. BTW, I still recommend you to use the table instea...

1 year 前 | 0

已回答
Converting a string to a datetime array for the 29th February
If you do not specify the year, MATLAB will automatically view it as the current year. Since 2022 is not a leap year, you will g...

1 year 前 | 0

已回答
无法求解不定积分
如果int无法计算表达式的积分，请检查以下原因： 反导数不以封闭形式存在。 反导数存在，但int找不到它。 如果int不能计算一个封闭形式的积分，它返回一个未解决的积分。 尝试使用以下方法之一来近似计算此类积分： 对于不定积分，使用级数展开。使用...

2 years 前 | 0

已回答
Klassieren und Zählen der Werte eines Arrays || Classifying and counting the values of an array
LoadHorizons = [400 0; 396 0; 392 1; 400 0; 396 1; 400 1]; tbl = tabulate(categorical(LoadHorizons(:,1))); sigma = cell...

2 years 前 | 0

已回答
Polar Histogram, Circular Bar Graph or Similar
Hi Luis, You can refer to the following answer to create a circular bar graph: https://www.mathworks.com/matlabcentral/answers...

2 years 前 | 0

已回答
Plotting using a for loop in Matlab and finding the highest three consecutive value, given imported spreadsheet table of 1x100 called 'P'?
Hi, the followed code could be easier to understand: P = rand(100,1); mx = -Inf; for i = 1:98 mx = max(mx, sum(P(i:i+2))...

2 years 前 | 0

已回答
Update graph edit text input
Hi, you need to add a callback function to the push button, which reads the value from the edit text and executes the step() fun...

2 years 前 | 0

已回答
How to make the live plot run in seconds?
Hi LuYao, you can try to use pause(1) in your loop, which can stop the iteration for 1 second each turn. For more details, pleas...

2 years 前 | 0

已回答
Adding random noise in different timestep while numerical integration
Hi Thomas, You can use mod() function as a flag, to trigger the adding ramdom process. if mod(time, 0.04)==0 Matrix = Mat...

2 years 前 | 0

已回答
Editing Source Code for Simscape Components?
Hi YY, You do not have to change the source code in this case. Please go through the link below for details about tunable p...

2 years 前 | 0

已回答
Filtering a very noisy plot
Hi Christian, A simple example to create a lowpass filter is shown below. Hope this will be helpful: signal_original = rand([1...

2 years 前 | 0

已回答
Feedback Command in Matlab
Hi Harry, I think what you are doing is correct. Here's my explaination for each argument: 1. Kq, Actuator, Airframe an...

2 years 前 | 0

已回答
System of equations and inequalities
Hi Luciano, Please try the following codes, where k and l are variables. For your example, k=2 and l=2: clear; clc; syms h1...

2 years 前 | 0

已回答
How to find the corresponding date to each found maximum value?
Hi SaaraL, Please try the following code, and hope this will help: clear; clc; tt = timetable((1:79880)',0.1*(1:79880)',0.0...

2 years 前 | 0

已回答
Question on how to use Forward Euler to simulate double pendulum
Hi Zhukun, The following links will show you some examples of how to use MATLAB to simulate the double pendulum motion. Pleas...

2 years 前 | 0

已回答
How to form a matrix from a coding of a graph?
Hi Andrew, If you want to reshape the vector into matrix, you can use function reshape(), you can go through the documentatio...

2 years 前 | 0

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