# Sufiyan

### MathWorks

Last seen: 10 jours il y a Actif depuis 2023

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I am an Intern at MathWorks. My responsibility is to provide the best support for an application like Image processing, Signal processing, HDL. DISCLAIMER: Any advice or opinions here are my own, and in no way reflect that of MathWorks.

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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

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Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

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Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

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Return area of square
Side of square=input=a Area=output=b

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

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Create a vector
Create a vector from 0 to n by intervals of 2.

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

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Find max
Find the maximum value of a given vector or matrix.

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Faster indexing from Matfiles with similar names
Hi Chun, You can follow the procedure shown in the below code to call the variable a on each iteration. % m1.mat to m5.mat fo...

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How to display 1 decimal numbers in uitable?
Hi Alessandro, You can follow the procedure shown in the below code to generate a table in the figure. % sample data data = [...

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split label matrix into cells according to their lables including boundary
You can follow the procedure shown in the below code to split the area in to individual matrix. % sample label matrix label_ma...

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How to obtain Shannon's entropy in specific wavelet packet tree node?
As you have obtained the best tree using the “besttree()”, the tree obtained will have some non-zero coefficients, which repres...

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Command Window loses focus if opening history
I understand you are experiencing an issue with the terminal window configuration. To fix this issue, you can try the following:...

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Fill an empty table with input from different variables
You can use the “repmat” as shown in the code below. % Define the variables n = 'value of n'; m = 'value of m'; % Replace ...

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how can I connect multiple lines into a line in a graph?
You can use "plot" directly instead of "fplot" as shown in the code below. % Define the functions and their domains syms s ...

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Table function with cells
Hi, You can refer to the below code. %sample data data_table = cell(3,1); data_table{1} = {'A', '[1 25]', 'double', ""}; da...

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How to plot convolution between signal and Hilbert tranform operator
Hi, You can refer to the code below. t = 0:0.01:1; f = 2; omega = 2*pi*f; y = cos(omega*t); h = [Inf, 1./(pi*t(2:end))];...

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Not the correct color on volshow
Hi, You can refer to the below code. V_test=zeros(30,30,30); % first cube V_test(10:20,10:20,10:20)=1; % second cube V...

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How to make two signals of same dimensions?
Hi, Here is an example to read the two audio signals and to subtract both. % read in the two audio signals [x1, fs1] = audio...

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Finding linear combination between 3 vectors
Hi, You can refer to the below code to find linear combination between three vectors. a=[1 1 1]'; b=[1 2 3]'; c=[2 -1 1]'; ...

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How to apply walsh hadamard transform?
Hi, You can refer to the code below to apply Hadamard transform on the image. % Load the PNG image img = imread('img.jpg'); ...

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Hi, Here are the steps to create the model. Open a new Simulink model. From the Simulink Library Browser, open the "DSP Syst...

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How to change the position of the subtext?
Hi, You can try separating the subtext into a second ‘text’ object. You can adjust the x and y coordinates of second text objec...

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calculating hamming distance and total hamming distance
Hi, You can refer to the code below to calculate hamming distance and total hamming distance for binary matrices. % input matr...

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I am having problem in FFT function
Hi, You can refer to the below code to find DFT of x= [1 1 6 1 6 0 2 6] %input sequence x x = [1 1 6 1 6 0 2 6]; % Calcula...

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reversing the hamming window
Hi, To reverse the effect of the Hamming window on your signal, you need to divide your windowed signal by the Hamming window. ...

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How to determine the sigma value for 2D gaussian filter
Hi, Determine the FWHM (full width at half-maximum) of the desired smoothing effect. This will depend on the scale of features ...

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