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Divij Gupta


Last seen: 1 month ago Active since 2021

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Integration of a piecewise multivariable function
I have a function I need to integrate. The function is a product of 2 functions, one a function in x and the the other a piecewi...

2 months ago | 0 answers | 0

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answers

Question


Fit data to array values
I have a certain array of theoretical values which forms the y values of a graph. This graph is not analytic, so the theoretical...

2 months ago | 1 answer | 0

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answer

Question


Signal smoothing for logarithmic timescale
I want to perform signal smoothing for the graph shown above. However, using the method shown in MATLAB documentation is not w...

2 months ago | 1 answer | 0

1

answer

Question


Retrieve cell of matrices from text file
I have a cell X such that X{i} is a 10x10 matrix. There are about 500 of these matrices. I am using writecell(X,"textfile") to w...

3 months ago | 1 answer | 0

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How to save data when execution is paused
I have a code runs a loop a million times. In each iteration, a new row of data is filled into a matrix. I want to find a way su...

3 months ago | 1 answer | 0

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answer

Question


Prod giving a different answer than repeated multiplication
X(:,:,1) = [0.0000 + 0.0000i 0.0000 + 0.0000i 1.0000 + 0.0000i 0.0000 + 0.0000i;0.0000 + 0.0000i 0.0000 + 0.0000i 0.00...

3 months ago | 1 answer | 0

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Vectorise matrix element multiplication
I want to find a way to vectorise the following operation: Take q random elements from the cell Z (which is populated by matric...

3 months ago | 1 answer | 0

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Question


Vectorise a matrix multiplication chain
I want to find a non-loop way to do the following: for c = 1:q h = h*Z{c}; end Basically, how can I vectorise Z{1}*Z{2}...

3 months ago | 1 answer | 0

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Question


Computing 4th cumulant of Gaussian variable
I am trying to write a program to compute the 4th cumulant for a given array of numbers. For a test, I'm generating an array of ...

3 months ago | 1 answer | 0

1

answer

Question


Element by element multiplication of a matrix
I have a function f = e^(tH), where H is a square matrix. I want to compute this function for each value of t = 0:10:100 so I ca...

4 months ago | 2 answers | 0

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answers