# Divij Gupta

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**Content Feed**

Question

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...

6 months ago | 0 answers | 0

### 0

answersQuestion

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...

6 months ago | 1 answer | 0

### 1

answerQuestion

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...

6 months ago | 1 answer | 0

### 1

answerQuestion

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...

7 months ago | 1 answer | 0

### 1

answerQuestion

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...

7 months ago | 1 answer | 0

### 1

answerQuestion

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...

7 months ago | 1 answer | 0

### 1

answerQuestion

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...

7 months ago | 1 answer | 0

### 1

answerQuestion

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}...

7 months ago | 1 answer | 0

### 1

answerQuestion

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 ...

7 months ago | 1 answer | 0

### 1

answerQuestion

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...

8 months ago | 2 answers | 0