Askic V
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Pregunta
Improve convergence of GD with momentum
Hello, I have made a simple implementation of the GD algorithm with momentum and it seems to me that convergence is very slow, ...
7 meses hace | 1 respuesta | 1
1
respuestaExtracting 2 columns from a excel file and send them to an own matrix file
Hello, I would do something like this to extract the data, and then I would used writematrix like VBBV suggested to write into ...
10 meses hace | 0
Hello. I want to calculate the covariance matrix for a parameter vector Q[1x24].
Is this helpful to you? I have used the example from Matlab documentation. load iddata9 z9 Ts = z9.Ts; y = cumsum(z9.y); mo...
10 meses hace | 0
Im seeking assistance for Simulink Onramp project - Thermostat task 6
This has already been discussed. https://www.mathworks.com/matlabcentral/answers/uploaded_files/1193683/matlbcommunity.jpg htt...
10 meses hace | 2
plot data from .mat file
I would do it like this: load (websave('Fidelity_result.mat', 'https://www.mathworks.com/matlabcentral/answers/uploaded_files/1...
10 meses hace | 0
Pregunta
Fixed step solver explanation needed
Hello, I've developed a dedicated MATLAB function to simulate a dynamic response of a system using difference equations. I have...
10 meses hace | 1 respuesta | 0
1
respuestaPregunta
Execute Matlab function in Simulink
Hello to all, I have this Matlab function, i would like to execute in Simulink using "User-Defined->Matlab Function" from the L...
10 meses hace | 1 respuesta | 0
1
respuestaReference to rmoutliers() function
Matlab has very powerful documentation. Please have a look here: https://www.mathworks.com/help/matlab/ref/rmoutliers.html
11 meses hace | 0
Pregunta
Create plot with gradient descend vectors for function of 2 variables
Hello, I would like to extend this code to a function of two variables z = x.^2+y.^2. I have the following code for a function...
11 meses hace | 1 respuesta | 0
1
respuestaThe multiplication result by sum() and matrix multiplication are not the same
In addition what Walter and Stephen said, if you have some specific application and you need to compare the floating point numbe...
más de 1 año hace | 0
How to plot discrete array with colors
I would also like to offer my solution. It is not so elegant comparing to @Star Strider, but it can show you how bar can be used...
más de 1 año hace | 0
The sample points must be finite.
Most likely, you're getting the error because you have missing entries in the data. websave("filename.csv","https://www.mathwor...
más de 1 año hace | 0
| aceptada
Integration of Numeric Data
I think this small code snippet would be sufficient to give you an idea how to proceed further: clc; clear; % Just for the pu...
más de 1 año hace | 0
State-Space Matrix Closed Loop System C Matrix issue
This is how I would simulate similar system in simulink. First of all this is the simulation in Matlab script: % Transfer func...
más de 1 año hace | 1
Can this equation be solved for x? If yes, how does the solution look? Thank you. Karl.
Things become complicated very easy with high degree polynomials. First, this is an example for qudratic equation: syms a b c ...
más de 1 año hace | 0
| aceptada
in FFT analysis , this kind of window appear, i cant find THD of signal, please guide.
I would suggest you to look in the documentation. Matlab has a builtin function called thd.
más de 1 año hace | 0
| aceptada
How can I combine two vectors with different lenghts and indexes into one sum.
You obviously have missing values in your table. This is how I would approach to this problem: tau = 0:10:80; mu_tau = mean(ta...
más de 1 año hace | 0
| aceptada
Predictors in classification learner app
This is explaind in the Matlab documentation here: https://www.mathworks.com/help/stats/feature-selection-and-feature-transform...
más de 1 año hace | 0
| aceptada
How to output a tout from Simulink space to Matlab so that it reads the value to us?
Hi @Krzysztof, when I want to access variables from simulink, plot them etc. I use to Workspace block in simulink and choose Ar...
más de 1 año hace | 0
Unable to perform assignment because the left and right sides have a different number of elements.
Not really sure what you're trying to simulate here. From what I can see in the code, you have created a MIMO system with 4 inp...
más de 1 año hace | 0
| aceptada
Beginning and end of the curve isn't linked with points
At the bottom of your script I have added the following code: % Define number of digits numDigits = 10; % Enable data cursor ...
más de 1 año hace | 0
| aceptada
fit line to 3D scatterplot
I'm not really sure what you want to achieve here, but if you have X and Y data and want to do a linear fit, then you can constr...
más de 1 año hace | 0
Customise marker and Line Style 2 value same Y axes in stackedplot
Can you try this: s.LineProperties(1).LineStyle = ["none", "-"]% remove the line for first s.LineProperties(1).Marker = ["x","...
más de 1 año hace | 0
| aceptada
"Error using fscanf"
You're getting this error because the path to your file is not correct. this is where the problem is: lightfile = strcat( dir...
más de 1 año hace | 0
| aceptada
Find the corresponding matrix
Is this what you need? A =[14 17 19 2 19 12 11 20 20 12 11 7 18 5 16 6]; B = [1;2;4;5;6;11;12;14;17;19;20]; rA = size(...
más de 1 año hace | 0
| aceptada
Using variable legend in for loop
Not really sure what you're trying to achieve, especially because abs(z) is always about 0.5, but regarding the legend, I think ...
más de 1 año hace | 0
List S3 Files and Subdirectories
Well, this small code snippet create a file datastore that include all csv files starting with 'd' or 'D' from the current folde...
más de 1 año hace | 1
Plotting inside structure array
This may not be the most efficient way, but here is how I would do it. I hope some of many gurus here may suggest more efficien...
más de 1 año hace | 0
How do I load a engine data like loading Helidata
For example it is loaded from: C:\Program Files\...\toolbox\signal\signal\helidata.mat and this is installed together with Matl...
más de 1 año hace | 0
how can i found the frequency of the first 10 words in a text?
Please have a look at this example: https://www.mathworks.com/matlabcentral/answers/1965034-how-can-i-do-a-histogram
más de 1 año hace | 0
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