# Dongyue

Last seen: circa un anno fa Attivo dal 2022

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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...

circa un anno fa | 1

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res = pipe_velocity(1,2) function v = pipe_velocity(d, Q) A = pi * (d / 1000)^2 / 4; % Cross-sectional area (m^2) v...

circa un anno fa | 0

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convert math expression to matlab code

circa un anno fa | 0

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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...

oltre un anno fa | 1

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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...

oltre un anno fa | 0

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oltre un anno fa | 0

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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 ...

oltre un anno fa | 0

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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; ...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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 %...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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Change time step during simulation in simulink

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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))...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0

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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...

oltre un anno fa | 0