Answered
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...

11 months ago | 0

Answered
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; ...

11 months 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 ...

11 months ago | 0 answers | 0

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answers

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

11 months ago | 0

Answered
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...

11 months ago | 1

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Answered
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 = ...

12 months ago | 0

Answered
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...

12 months ago | 0

Answered
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...

12 months ago | 0

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Answered
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...

12 months ago | 0

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Answered
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); ...

12 months ago | 0

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Answered
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...

12 months ago | 0

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Answered
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...

12 months ago | 0

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Why do we get different results here?
@Sadiq Akbar I'm puzzled too. In general, the results are not correct event sometimes are. For example, the result is wrong for...

1 year ago | 0

Answered
How to express this equation to convert y values to a new vector and plot as a function of x?
websave('test.xlsx','https://www.mathworks.com/matlabcentral/answers/uploaded_files/1321170/test.xlsx'); data = xlsread('test...

1 year ago | 0

Answered
Solving for Variables contained an interval
fun = @(x) (sin(x) .* (2.* cos(x) - 1)) ./ (1 + 2 .* cos(x)); % function x0 = [0.1 2]; % initial interval x = fzero(fun,x0) ...

1 year ago | 1

Answered
Why do we get different results here?
Can you try with the following ByAskic.m function: function e = ByAskic(b,u) % u = [10 20 30 40];b = u; N = 10;%6; % Tx anten...

1 year ago | 0

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MATLAB Newton Raphson method with array - Stephan problem
Is this what you wanted to achieve? clear clc close all a0 = -0.00401; a1 = 1.18669; a2 = -0.14559; a3 = -0.33443; a4 = ...

1 year ago | 0

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Answered
How to compute the AUC (Area Under Curve)?
I think this would be a correct way to do so, but I'm not 100% sure. It seems correct from the ROC diagrams: [x,t] = iris_datas...

1 year ago | 1

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Answered
How to use rlocfind in root locus.
You could start with this: help tf help rlocfind

1 year ago | 0

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Answered
How do I preallocate for speed in the following code?
The most basic approach is given here: clc clear N = 9; S = 18.1; AR = 7; lambda = 0.8; ...

1 year ago | 0

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What is the difference between Step size and Sample Time ?
According to Matlab's documentation, The sample time of a block is a parameter that indicates when, during simulation, the bloc...

1 year ago | 0

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Answered
Is it possible numerical problem ?
This is called a round-off error caused by floating point arithmetic. Please read this (it is for Python, but equally applicabl...

1 year ago | 0

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ploting electric field versud time
This is how can you read the contents of the file into variables. data_file = websave('phi_theta.txt','https://www.mathworks.co...

1 year ago | 0

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Integral of matrix determinant
I would do it symbolically: syms x f = det([1,x;0,2]); Q = int(f,0,1)

1 year ago | 0

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create a shuffleable datastore
A different approach would be to read csv file in a table and create datastore from the table. this datastore issubsetable and ...

1 year ago | 0

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Answered
Absurd result using 'integral2' with non-"centered" functions
@Torsten already answered, please keep in mind that integral2 still performs numerical integration. have a look at this: clear...

1 year ago | 1

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Converting string to integer - indexing and multiple trials
If you look into your data in Matlab, you will see that CodeTimes is actually an array of doubles and not strings: cc = load (w...

1 year ago | 0

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Answered
How do I properly use the "while", "for", "loop" command in this problem?
A = [71.213; 74.499; 79.175; 54.163; 83.008; 52.615]; B = length(A); %size of column (number of elements) %H = A(i); %Variable...

1 year ago | 0

Answered
Legends in Bode plots do not support subscripts
g1=tf([1 0],[5 1]); bode(g1) title('\Gamma_h vs \omega') h = legend('$\Gamma\_h$','fontsize', 12); set(h, 'Interpreter', '...

1 year ago | 0

Answered
An unexpected discrepancy between xcorr, xcov and autocorr
When in doubt always read the documentation. doc xcov Matlab functions are very good documented. For example, you can read: x...

1 year ago | 0

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