Community Profile

# Ashfaq Ahmed

Last seen: 1 día hace Con actividad desde 2021

I am a first-year Ph.D. student at Brown University. My research interest lies in sea-ice dynamics, and transport phenomena.

Programming Languages:
Python, MATLAB
Spoken Languages:
Bengali, English, Hindi, Spanish

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How can we insert a row matrix without altering the rest of the values?
Hi! Say, I have this matrix - A = 1 2 3 4 5 6 7 8 9 10 11 12 13 ...

1 día hace | 2 respuestas | 0

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Easy question - How can I save this variable within the for loop?
Hi! I have one easy question, but weridly I am not being to solve the problem. Say I have this very simple code - for n = 1:1...

3 días hace | 1 respuesta | 0

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Pregunta

How to code for summation?
Hi all, Can anyone please tell me how can I do the coding to complete this sum? Also, how can I write down the code that ad...

alrededor de 2 meses hace | 1 respuesta | 0

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Simple question: How to set the complex part = 0 in an array?
Hi! I have this 1x5 matrix whicihcontains complex numbers - 2+0i; 3+3i; 5+0i; 8-4i; 6+9i; How can I set "only" the complex num...

3 meses hace | 2 respuestas | 0

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How can I find the peak values of a curve?
Hi all! So I have these curves which have several peaks. Can anyone please tell me how can I detect the peaks and put a value t...

3 meses hace | 2 respuestas | 0

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How can I divide/merge my subplots?
Hi! I want to plot this figure - As you can see, the first plot is taking the 3 columns. And the last 6 plots are taking...

3 meses hace | 1 respuesta | 0

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How can I write multiple number (digit) in my title?
Hi! So, I have this mode array and I want to write this title - mode = [1,2,3,4,5]; title(sprintf('Mode: %d',mode(1,1))); Bu...

3 meses hace | 1 respuesta | 0

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How to delete the columns that has NaN values?
Hi! I have this 5x5 matrix. Of them, only column 2 and 3 does not contain any NaN values. How can I write down a code that will...

4 meses hace | 1 respuesta | 0

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Pregunta

How can I make these few lines a function?
Hi all! When I am plotting any graph (even for the individual subplot), I add these few lines everytime. set(gca,'color',[1 1...

4 meses hace | 3 respuestas | 0

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How to calculate the rotation of this egg?
Hi all! Suppose I have this egg in figure1, standing still. But when it rotates a bit in figure 2, how can I calculate the rota...

4 meses hace | 3 respuestas | 0

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Two easy questions (But I am confused)
Hi! Say I have a matrix S that is of 100x100 size. Now, I want to create an array just by taking the diagonal values of S. So...

4 meses hace | 2 respuestas | 0

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How to manipulate xtick labels?
Hi! I am plotting a simple data set, say - plot(1:21,1:21); Now, obviously the x axis will show 1 to 21. But I want to chang...

5 meses hace | 1 respuesta | 0

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Pregunta

How to concatenate in a for loop to make a 3D matrix?
Dear altruists, I have this Saved_Temp{} that has 10x1 cells. Each of the cell is 1130x800 double. I want to create a 3D cell t...

5 meses hace | 1 respuesta | 0

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How to plot a geographical surface temperature heat map?
Dear altruists, I have this Temp_Data.mat file (attached) that contains Latitude (917x345), Longitude (917x345), and sea surfac...

5 meses hace | 1 respuesta | 0

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Table to Array conversion using a for loop
Hi! Is there a way I can do this operation within a for loop? load 'temps-2021-11-16.mat' temps_2021_11_16 = table2array(data...

5 meses hace | 2 respuestas | 0

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How to use str2num function to extract a specific year from the array?
Hi! I have a column matrix consists of string arrays. It's a huge time matrix and I am just showing a part of it. It contains d...

5 meses hace | 1 respuesta | 0

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Plot legend in a bar graph
Hi all, Can anyone please tell me how can I plot the average of the bar (values of Y) in the bar graph? It can be a legend, or...

5 meses hace | 2 respuestas | 0

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How can I find out the indices of the largest 10 values within the matrix?
Hey guys, I am facing a problem and I am sensing the solution should be relatively easy. Suppose I have a 100x100 matrix wit...

7 meses hace | 1 respuesta | 0

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How can I locate a vortex center?
Hi all! Someone in the MATLAB community once asked similar kind of question but unfortuinately, it was never answered. So, I a...

7 meses hace | 1 respuesta | 0

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How to run this code in a for loop?
Hi all! I have a code that requires to go to the folder, calls mat files and then plot images. I want to run everything in a f...

8 meses hace | 1 respuesta | 0

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How to show bathymetry in a polar stereographic plot (ArcticMappingTools)?
Hi all! I am doing a particle relelase experiment in the arctic region and I have produced this trajectory paths of three parti...

8 meses hace | 0 respuestas | 0

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Respondida
How to save figure frames as gif file?
Thanks! I actually solved it by using this script - for i = 1:Leng figure(1); filename = 'Day02_Path.gif'; set...

8 meses hace | 0

Pregunta

How to save figure frames as gif file?
Hi all, I am having a problem while saving my figure frames as a gif file. I am using this code - for i = 1:Leng figure(...

8 meses hace | 2 respuestas | 0

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Selecting .tif files from a folder and copy them to another folder
Hi! I have these 34 days folders and each folder contains 3 images (.tif) files. I want to select all these .tif files and copy...

8 meses hace | 1 respuesta | 0

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Interpolating NaN values within a matrix
Hi all! I have this 71x328 size matrix (It's actually a satellite swath data). Within it, the row 35, 36, and 37 are entirely N...

8 meses hace | 1 respuesta | 0

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Integral of a matrix (x = integration(v)dt) to find x in each time step - how to get it?
Dear altruists, I have these (5x1 size) time steps - t1 = 5.000; t2 = 5.005; t3 = 5.015; t4 = 5.020; t5 = 5.025; For each...

8 meses hace | 1 respuesta | 0

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Dealing with strings and numbers in a for loop.
Hi guys, I have April2003 = 55; April2004 = 279; April2005 = 311; . . . . April20020 = 119 How can I run a for loop t...

9 meses hace | 1 respuesta | 0

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How to assign different files in the target folders?
Hi all! Suppose, I have several files in a folder named like this: Please note that 20150408 means 2015-April-08. Now I wan...

9 meses hace | 1 respuesta | 0

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How can I average the vectors within the grid cell?
Hi altruists, Suppose, I generated this simple vetor field using these few lines of codes: [X,Y] = meshgrid(0:6,0:6); U = 0....

10 meses hace | 1 respuesta | 0

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How to select specific files from all the files in a folder?
Hi all, As you can see I have a lot of files in this folder, but I want only those files that contains '_020_' in it's name, an...

10 meses hace | 2 respuestas | 0

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