# Askic V

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**Content Feed**

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...

6 days ago | 0

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 ...

6 days ago | 0

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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.

7 days ago | 0

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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...

11 days ago | 0

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Predictors in classification learner app

This is explaind in the Matlab documentation here: https://www.mathworks.com/help/stats/feature-selection-and-feature-transform...

12 days ago | 0

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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...

13 days ago | 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...

14 days ago | 0

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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 ...

14 days ago | 0

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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...

15 days ago | 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","...

17 days ago | 0

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"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...

17 days ago | 0

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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(...

17 days ago | 0

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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 ...

17 days ago | 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...

17 days ago | 0

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...

18 days ago | 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...

18 days ago | 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

20 days ago | 0

I have 2 error .Error using interp1>reshapeAndSortXandV (line 445) X and V must be of the same length. Error in interp1 (line 128) [X,V,orig_size_v] = reshapeAndSortXan

Please have a look at the documentation for the information how to use interp1 function correctly: https://www.mathworks.com/he...

20 days ago | 0

how can i do a histogram ?

For the paricular case, I think bar function would be more appropriate. text = "In the realm of possibilities, actions speak l...

20 days ago | 0

How to combine boxplots from Anova into subplots

Can the following example give you an ide how to solve the problem? clear;clc;close all; y1 = meshgrid(1:5); %rng default; ...

20 days ago | 0

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Question

Legend with geobubble function is not behaving as expected

Hello, I have very strange and unexpected behavior of showing legend when using geobubble function. I'm reading data from the ...

1 month ago | 0 answers | 0

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answersMerging Date and time

I would also like to suggest a bit different approach: T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_f...

2 months ago | 0

How to numerically solve system of equations and differential equations simultaneously?

Does this make sense to you (in your simple example)? syms A B C(t) eqn1 = diff(C,t) == 6*A; C_sol = dsolve(eqn1) eqn2 = A...

2 months ago | 1

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Convert MATLAB use of Probability Density Function (PDF) to Python

I have made a quick test using Matlab's built in function pdf and Python's stats.norm.pdf x = [-2 -1 0 1 2]; mu = 1; sigma = ...

2 months ago | 0

Omega method to integrate sin function

You're getting the weird values for disp because of division with eps (very small number). This code will produce what you expe...

2 months ago | 0

Scale/Normalize values in matrix between 10^-6 and 10^-5

Hello, this is a matter of a simple linear transformation y = m*x+n. if you want to normalize data in interval [a,b] to interv...

2 months ago | 0

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Cyclic Redundancy Check function

As far as I can see, crcreceive.m is missing a portion of code present in the FullCode divisor = bitshift(divisor,messageLength...

2 months ago | 0

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Creating a cosine oscillation ( cos(2 * pi * f * k * T) )

Hi Ahmad, you can can think of k*T as a time vector, one example is: k = 1:2000; T = 1/Fs; tf = k*T; y = A*cos(2*pi*f*k*T); ...

2 months ago | 0

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Hello, why Matlab does not check for second condition and give an answer without checking second condition after AND short circuit operator?

Hi Aknur, in the example below, the part after && is evaluated. BTW, operators || and && are so called short-circuit operators...

2 months ago | 0

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what is r. in the pagerank algorithm

Hi Kellie, you probably mean on the following equation: r = (1-P)/n + P*(A'*(r./d) + s/n); % r is a vector of PageRank scores...

2 months ago | 0