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Cumulative Count
Given a row vector of integers with repeating values (with all repeating values occuring in a single continuous run), create an ...

3 months ago

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Multiply real numbers to get the smallest integers
Write a function that takes a vector of real numbers and multiplies them by a factor to produce the integers with the smallest a...

3 months ago

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SVD to a matrix subset (rows)
I find there is a svdappend function for calculating SVD of matrix incrementally, such as from SVD of A to SVD of [A,D] or [A;D]...

3 months ago | 0

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find powers of two
find the unique, non-repeating, powers of 2 that sum to a given non-zero integer, n example: n = 23 result = [1 2 4 16] ...

3 months ago

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Why does this error occur? Error using cwt>parseinputs (line 510) Invalid number of scalar input arguments. Error in cwt (line 297) fbcell = parseinputs(Norig,TTable,varar
You do not need to pass scales argument explicitly. The scales argument is excluded of cwt function's signature. The minimum and...

4 months ago | 0

Question

How to simulate electro-hydraulic actuator system with hydraulic oil thermal effect in Simscape
I want to simulate hydraulic actuator with hydraulic oil thermal effect use Simscape. I find there is an example model Close...

4 months ago | 1 answer | 0

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Unexpected results using SVD to separate components that make up a function
As far as I konw, the SVD of a matrix P is equal to the summation of rank-1 components. Since the matrix is not rank-1, I th...

4 months ago | 1

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How does the type of solver (fixed vs variable step) affect reinforcement learning in Simulink environment?
You can use Simulink Debug Functionality to step through the simulation and examine the output of agent.

4 months ago | 0

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How to patch the area under curve for a polarplot?
There is a similar question in https://ww2.mathworks.cn/matlabcentral/answers/451422-how-to-use-patch-fill-on-a-polarplot, this ...

4 months ago | 0

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Is my CNN Correct
You can use analyzeNetwork fucntion to obtain more details of your neural network layers = [ sequenceInputLayer(1)...

5 months ago | 0

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Check Bertrand-Chebyshev's theorem about prime numbers
Historical context Bertrand's postulate, also later known as Chebyshev's theorem, is a very important theorem in number theory ...

5 months ago

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Check p = 6n +/- 1, the generic formula for odd prime numbers greater than 3
Problem statement For all odd prime number p greater than 3, there exists a positive integer n, such that p = 6n +/- 1 : ...

5 months ago

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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...

5 months ago | 0

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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 ...

5 months ago | 0

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Answered
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"...

5 months ago | 0

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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...

5 months ago

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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 ...

5 months ago | 1

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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...

5 months ago

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Wheatstone bridge
Determine if a set of resistors maintain Wheatstone bridge equilibrium

5 months ago

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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...

5 months ago

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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...

6 months ago

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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...

6 months ago

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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...

6 months ago

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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 ...

6 months ago | 0

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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...

6 months ago | 1 answer | 0

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Question

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...

6 months ago | 1 answer | 0

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Question

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...

6 months ago | 1 answer | 1

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Answered
How 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. ...

6 months ago | 0

Answered
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 ...

7 months ago | 0

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Answered
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 ...

8 months ago | 0