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Vectorizing DAE with strong State Dependance Mass matrix
The Vectorized option in odeset means that your DAEs can be writen as , apparently your DAEs can not be expressed as separable f...
1 day ago | 0
Create an extra row in a table that show the means of all columns (but without any extra headings)
params = ["ROI_L";"ROI_C";"ROI_R"]; FWHMX = [3.09;3.14;3.36]; FWHMY = [3.00;2.92;2.88]; FWHM2D = [3.05;3.03;3.12]; CenInt ...
6 days ago | 0
| accepted
How to write a timetable to excel with rowtimes as dates without times?
You can use "InputFormat" option to specify the date format m = (1:3).'; dates = datetime(2025,m,15,"InputFormat","dd-MM-yyyy"...
6 days ago | 0
Solved
Find the nearest prime number
Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers. Given a positive in...
8 days ago
trainnet not openning the plot's window and get stuck.
You can check if you have setted trainingOptions with Plots=none. If the training options are correctly setted, maybe the issue ...
8 days ago | 1
| accepted
Solved
Oh Zero Zero Zero!!!
Hello all, So you have to find the largest section of zeros in a vector and then find the length of those zeros and there start...
11 days ago
Solved
Wheatstone bridge
Determine if a set of resistors maintain Wheatstone bridge equilibrium
11 days ago
Solved
ICFP 2024 Programming Contest June 28 thru July 1
This is to announce the annual ICFP programming contest for 2024. The ICFP 2024 homepage link is ICFP 2024 . Registration will...
11 days ago
Solved
Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...
15 days ago
Solved
Put Two 1D matrices into one 1D matrix
Example: If input a = [1 2 3 4 5]; input b = [10 9 8 7 6]; then output will be, y_correct = [1 10 2 9 3 8 4 7 5...
15 days ago
Solved
Sum along each diagonal of a matrix
Write a routine that returns the sums along the diagonals of a given matrix, A, where the first diagonal is the bottom left corn...
15 days ago
How to have a vector that is obtained by discretizing a and b for each i.
you can use arrayfun function to process array element. a=[1 2 3 4 5 6 7 8 9 10 11 12]; b=[24 23 22 21 20 19 18 17 16 15 14 ...
19 days ago | 0
| accepted
Question
How to understand learnable parameters of cwtlayer and the underlying autograd calculation
I was learning continuous wavelet transform (cwt) and found that there was a cwtlayer in Deep Learning Toolbox. The document...
26 days ago | 1 answer | 0
1
answerQuestion
Why the length of power spectrum is fixed at 4096 when the signal's length varies ?
I was using pspectrum function to obtain the power spectrum of time series signals. However, I find that when I set different le...
28 days ago | 1 answer | 0
1
answerQuestion
How to Solve Linear Complementarity Problem (LCP) with MATLAB ?
I want to use MATLAB for solving Linear Complementarity Problem (LCP) as defined in the following: what optimization function...
1 month ago | 1 answer | 1
1
answerHow can I simulate two-rigid body-interactions when the complete motion of one body is known using Simscape Multibody?
@yang. You can add prescribed motion trajectory to the 6DoF Joint's actuation input port as illustrated in the following image. ...
1 month ago | 0
how to change the size of the fonts inside the bar graph
use text function with FontSize option to change font size x = [1 2 3]; vals = [2 3 6; 11 23 26]; b = bar(x,vals); xtips1 ...
2 months ago | 0
| accepted
Iteratively remove the rows and columns of a matrix
M = 3; N = 8; [H00,H10,H20,H30,H40,H50,H60,H70] = deal(randi(10,M)); [H11,H21,H31,H41,H51,H61,H71] = deal(randi(20,M)); H ...
3 months ago | 0
Solved
Project Euler Problem 48: Self Powers
The series,. Return a string of the last ten digits of the series:. Hint: Use modular arithmetic! Spoiler: The solution is...
3 months ago
Solved
Integer Division Without Remainder
Write a function that takes two positive integers, a and b, and returns the result of integer division (quotient) without remain...
3 months ago
Matrix Near Singularity Warning During the ODEs Solving Procedure
Through stepwise debugging, I find that the badly scaling issue was induced by the stiffness value K, which is a large value...
4 months ago | 0
| accepted
Question
Matrix Near Singularity Warning During the ODEs Solving Procedure
I am working with multi rigid body systems simulation utilizing Runge-Kutta (RK) numerical integration method. In the every ...
4 months ago | 1 answer | 0
1
answerHow to plot a string signal/array?
In the Documentation, the Simulink.sdi.plot function can plot different objects exported from simulations, it can reproduce the ...
6 months ago | 1
| accepted
The Parameter of ODE is not Updated When the EventCallback Function is Called
I have solved this isssue with the following odeEvent object definition: E = odeEvent("EventFcn",@impactEvent,"Direction","asce...
6 months ago | 1
Question
The Parameter of ODE is not Updated When the EventCallback Function is Called
I was simulating ODEs which incorporate additional parameter (ydot = f(t,y,P)). There is an event occurs in the simulation proc...
6 months ago | 1 answer | 2
1
answerQuestion
How to Output Updated Parameters Value in ode Integration Process When the odeEvent is triggered ?
I was working on multi-body systems collision simulation utilize ode MATLAB function and odeEvent function. The impact between ...
7 months ago | 1 answer | 0
1
answerSolved
Convert from Base 10 to base 5
Convert the input number from base 10 into base 5: for example: if a(in base 10)= 5 then a(in base 5)= 10
7 months ago
Solved
Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...
7 months ago
Solved
Do Fast Fourier Transformation
Example Fast Fourier Transformation from vector [2,1]) ans = 3 1
7 months ago
