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...

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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); ...

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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...

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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...

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...

How to express this equation to convert y values to a new vector and plot as a function of x?

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) ...

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...

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 = ...

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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...

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How to use rlocfind in root locus.

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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; ...

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...

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...

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...

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

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 ...

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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...

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...

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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...

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', '...

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...

Why I couldn't plot this graph f=(@(x,y) (x.^2)+(x*y)+(y.^2)<=68200.^2/3);
And if you really insist on 68200^2/3, then this code will provide output f=@(x,y) x.^2+x.*y+y.^2-68200^2/3; fimplicit(f, 'b'...

Can I make this line of code smaller?
XBest=[2, 3, 4]; XBest(isempty(XBest)) = 1e8; XBest XAest = []; XAest(isempty(XAest)) = 1e8; XAest

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Why the 2nd code does not behave like the 1st code?
This is how I would modified the code to execute for any M r N dimensions: clear clc u = [10 20 30 40]; b = u * (1+0.5*randn...

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Unable to perform assignment because brace indexing is not supported for variables of this type
You need to provide more context. For example, this is OK. run = cell(10,1); R = 244:300; Y = 1:300; run{1} = Y(1:R(1)) ru...

How to get subset of data from given thresholds?
Did you try this approach? DNS = dat(:,9); NZE = dat(:,10); PER = dat(:,11); % 1. sub = dat(NZE>0.25,:); %2. sub = da...

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How to read a specially structured data file with different structures
I would suggest the follwoing solution: A = readtable('test.5p', 'ReadVariableNames', false, 'FileType', 'text'); nr_rows = si...

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