# Abhishek Saini

**Programming Languages:**

Python, MATLAB

**Spoken Languages:**

English, Hindi

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**Content Feed**

Attenuation as a Function of Frequency

Hi Dave, I think you already have obtained the answer, but I stumbled on this post and want to comment. Attenuation can be cal...

8 months ago | 1

Question

How to find arc length, angle from the image?

Dear all, I want to find the curve length and curve orientaiton from the image. I performed the image segmentation and convert ...

11 months ago | 0 answers | 0

### 0

answersQuestion

Image segmentation and measure segmented features

Hi all, I want to perform image segmentation as described in the research articles in Fig 5 and 6. I have attached the figure f...

1 year ago | 1 answer | 0

### 1

answerQuestion

direction of flow lines in an image

Hi, I have a 2D image or image data. I want to find the average direction of flow lines with respect to horizontal. how can i d...

1 year ago | 2 answers | 0

### 2

answersQuestion

2D vector plot from three Euler angles

Hi all, I have x and y coordinates with three Euler angle(/theta, /phi,/Phi) for each location. I want to plot the vector plot ...

1 year ago | 1 answer | 0

### 1

answerFitting Gaussian keeping max amplitude same

Thanks for your reply. It help me to finalise the code by keeping the singal max amplitude same and shift the s...

1 year ago | 0

| accepted

Question

Fitting Gaussian keeping max amplitude same

Hi I want to fit multi peak data keeping the maximum amplidute same. I tried smoothening and peak fitting but unable to achinv...

1 year ago | 3 answers | 0

### 3

answersQuestion

find an inclined plane from 3D data and plot it

Hi MATLAB Users, I have 3D matrix of 501x501x501. I want to plot the data of the plane at 45 degree passing through point (x=2...

2 years ago | 1 answer | 0

### 1

answerQuestion

parallel loop in matlab

Hi , I am new to use parfor in MATLAB. I am trying to convert my for loop in to parfor, but getting problem in varaible defini...

2 years ago | 1 answer | 0

### 1

answerQuestion

Deconvolution and blind Deconvolution of signal

Dear users, I would like to deconvolve the given output signal shown in figure 1 with a wavelet in figure 2. How can I perform ...

2 years ago | 0 answers | 0

### 0

answersQuestion

imagesc from 1D array with coordinates and values

Hi, I have 3 vectors and I want to plot a 2D image using mesh/ imagesc/surf command. But How can I convert 1D array to 2D array...

3 years ago | 1 answer | 0

### 1

answerQuestion

Tilted circle in 3D mesh

I have 3D mesh set and I want to give semicurcular region a differnet value. I have done this for vertical semi circle (as shown...

3 years ago | 1 answer | 0

### 1

answerQuestion

calculate volume under of 3D isosurface plot

I have a 3D matrix data V(201,101,101). I want to calculate the isosurface volume for a particular isovalue. How to calculate t...

3 years ago | 1 answer | 0

### 1

answerQuestion

Plot 3D matrix

I have 3D matrix of size 200x400x100. The matrix values shows the amplitude in the image. How to plot all the points in a 3D gri...

3 years ago | 1 answer | 0

### 1

answerQuestion

find index of points in meshgrid under the line

I have 2D mesh grid of 501*2001. I want to get indices of values for the grid points in straight line to change the values of gr...

4 years ago | 1 answer | 0

### 1

answerQuestion

How to convert dependent equation to independent for parallel computing (parfor)

I am trying to run my code using 'parfor' but getting error due to dependent term. How to resolve that. The code similar to be...

4 years ago | 1 answer | 0

### 1

answerfind points in 3D mesh in th form of semi circular shape to get element number. inpolygon for 3D

I found the following links for finding points inside the 3D volume. https://www.mathworks.com/matlabcentral/fileexchange/433...

4 years ago | 0

Question

problem in running mex file

I am unable to run the function InPolygon available at the Matlab webpage < https://www.mathworks.com/matlabcentral/fileexchange...

4 years ago | 1 answer | 0

### 1

answerQuestion

Extracting 2D plane values from a 3D mesh

I have 3 arrays (x,y,z) of size 243,528,000 each. These array have coordinates in x,y and z respectively. I want to extract the ...

4 years ago | 1 answer | 0

### 1

answerQuestion

Plotting very large data freeze MATLAB

I have large array 3D data and when I am plotting it using plot and plot3 function MATLAB freezes. Is there any option to create...

4 years ago | 1 answer | 0

### 1

answerQuestion

find points in 3D mesh in th form of semi circular shape to get element number. inpolygon for 3D

I have attached the 3D data set. I have generated the small data for the testing. ex, ey and ez are the coordinate points in x,...

4 years ago | 1 answer | 0

### 1

answerQuestion

How to create large data in MATLAB. For large array showing out of memory.

I am trying to generate 3D mesh for my finite element simulation in MATLAB.But due to large number of nodes or array size it is ...

4 years ago | 2 answers | 0

### 2

answersSolved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

4 years ago

Question

Determine the condition to find elements inside semi circular region in a rectangular mesh

I have a rectangular mesh of 500000x500000. I extracted the coordinates of the mesh elements. Now I would like to remove element...

4 years ago | 1 answer | 0