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# Rubel Ahmed

### University of Wollongong,Australia

Last seen: meer dan een jaar ago Active since 2018

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Question

Sorting corresponding index if the position sorted in descend order?
Hi all, I have one dimensional particle aarray say P and the corresponding index I. Later, I have sorted the position data i...

meer dan een jaar ago | 0 answers | 0

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Question

How to export array elements?
Hi all, I have an big array say the size is 40000 by 1 i.e. 40000 rows and 1 column. I want to export effeciently according to...

meer dan een jaar ago | 2 answers | 0

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Question

Find first k largest elements?
Hi all I have an array say A = [1 5 7 4 8 10 14]. I want to find most largest, second most largest and 3rd most largest eleme...

meer dan een jaar ago | 1 answer | 0

### 1

Question

How to plot matlab stream plot?
I have a 2D domain which has diffrent width(X) and length(Y) as attached photo. Say the height Y=0.05 and width X=0.02; I have ...

meer dan een jaar ago | 1 answer | 0

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Question

Matlab 2D line plot?
Hi all, I am plotting a 2D plot using command plot(X,Y,'-mo',... 'LineWidth',2,... 'MarkerEdgeColor','k',... '...

bijna 2 jaar ago | 1 answer | 0

### 1

Question

Array element rearrange without using conditional statement?
Hi all, I ahve a Array say A = [1 2 3 4 5 10 13 16 17 8 20 7 23 34 15]; I want to keep the position of first 5 elemnts of...

bijna 2 jaar ago | 1 answer | 0

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Question

Relpace array elements by another array where both array length are not equal?
Hi all, I have a Array say A = [0 0; 0 0; 0 0; 0 0; 0 0] i.e. array size 5 by 2 A = 0 0 0 0 0 0 ...

bijna 2 jaar ago | 1 answer | 0

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Question

Radious of curvature calculation from dicreate data set ?
Hi all, I have 2-dimensional data set in X and Y such as X= [0.1, 0.3, 0.4, 0.5, 0.08] Y= [0.2, 0.4, 0.1, 0.3, 0.06] FYI.A...

ongeveer 2 jaar ago | 1 answer | 0

### 1

Question

How to store data in regular interval?
Hi all, I am repeating a Array calculation ARPP from time loop for time loops ttt = 1:1:100; In the time loops, I am calcu...

ongeveer 2 jaar ago | 1 answer | 0

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How to save continously generating mat file in a Array in Matlab?
@Walter Roberson Thanks, Can you please describe breifly ?

ongeveer 2 jaar ago | 0

Question

How to save continously generating mat file in a Array in Matlab?
Hi all, I am running a big Matlab programm for 1million iterations i.e. ttt=1000000. To save the output data after regular in...

ongeveer 2 jaar ago | 1 answer | 0

### 1

Question

Coloring of different index/numbered points
Hi all, I have several points say 100 points. Each points have unique index/number from 1 to 100. I want to see 1 to 20 index p...

ongeveer 2 jaar ago | 2 answers | 0

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Question

How I resume my Matlab job from previous saved data in NCI(Australian supercomputer facilities)?
Hi all, In the NCI facilities, the maximum time to run a job is 48 hours but I need more time to complete my job. So, I nee...

ongeveer 2 jaar ago | 1 answer | 0

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Question

Write script for submitting a matlab job (code is gpu enable) in NCI?
Hi all, I have a gpu enable matlab code. I want to submit this matlab job in NCI to speed up the simulation. I am having issu...

ongeveer 2 jaar ago | 1 answer | 0

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Question

Find index of points between two points?
Hi all, I have an Array A A =[1,2,5,8,4,7,6,3,12]. I want to find the index of those elements which grater than element 5 and...

meer dan 2 jaar ago | 1 answer | 0

### 1

Question

how I will check the Conditional statement task?
Hi all, Suppose I have a time intervel t = 1:1:100; I can caterize the time intervel as odd and even, So depending on the odd ...

meer dan 2 jaar ago | 2 answers | 0

### 2

Question

Sorting and replacing data in matlab
Hi all, I have a position Array suppose "A" A =[ 1, 0, 3, 4, 5, 6, 7, 8, 0, 0,15, 20, 10, 9]. I want to replace all those v...

meer dan 2 jaar ago | 2 answers | 0

### 2

Question

how to generate a circel which filed with regular points?
Hi all, I want to generate a circel which filled with regular points say 1000 points inside the circel. The point to another ...

ongeveer 3 jaar ago | 2 answers | 0

### 2

Question

Non Zero element appear first with keeping the same size of the matrix?
A = [1 0 2 3;2 0 0 5; 3 0 0 1; 0 0 1 5]; How The matrix will be transformed like this (No-zero element will come first, row wi...

meer dan 3 jaar ago | 2 answers | 0

### 2

I have a matrix which looks like A = [1 NaN 1 ; NaN 1 2; NaN 1 2]; How can I remove all NaN's from the A matrix?
Hi ravi, please see the image. From the figure, the non-NaN elements of first row, are the neighbour particles of the first p...

meer dan 4 jaar ago | 0

I have a matrix which looks like A = [1 NaN 1 ; NaN 1 2; NaN 1 2]; How can I remove all NaN's from the A matrix?
Thanks mate , but If I have a matrix like B = [1 NaN, NaN,3,1;1 NaN, 1,NaN,1;1 NaN, 1,NaN,1;1 NaN, NaN,NaN,1;1 NaN, 2,NaN,1]; re...

meer dan 4 jaar ago | 0

Question

I have a matrix which looks like A = [1 NaN 1 ; NaN 1 2; NaN 1 2]; How can I remove all NaN's from the A matrix?
A = [1 NaN 1 ; NaN 1 2; NaN 1 2];

meer dan 4 jaar ago | 3 answers | 0