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dipak sanap


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统计学

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Procrustes distance formula explanation
Hi, I am using procrustes function from matlab. I am done with the analysis and getting the expected results. Now, I need to wri...

5 months 前 | 0 个回答 | 0

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Read older MATFILE in the current version.
Hi, I have very old matlab files. Current Matlab dose not support the old format. I have tried reading it in Python and R. Pytho...

1 year 前 | 2 个回答 | 0

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Avoid broadcasting an array in parfor
Hi, I have a matrix (A) and I want to access certain columns of this matrix in for loop. I need some help avoiding the broadcast...

2 years 前 | 1 个回答 | 0

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Move points on edges of 2d grid to closest bin centers , fails for big data?
This code moves all the points on top edge of 2D grid to center of closest bin and do the same for right edge of the grid, C...

8 years 前 | 0 个回答 | 0

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move points on the edges of 2D grid, code fails for big data.
Here is my code which creates 2D grid from min and max range. And it moves data points from top edge and right edge to the ce...

8 years 前 | 0 个回答 | 0

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plot 2D array using imagesc ?
Lets say, I have array x and y. I make 2D grid with 16 bins and count number of points in each bin. Counts of each bin are...

8 years 前 | 2 个回答 | 0

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Counts in bins for 2D histogrsm using nested for loop ?
I am trying to write extend 1D histogram code to 2D histogram, after creating bins using mesh grid how to count if data point...

8 years 前 | 1 个回答 | 0

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Counts in each bin for 2d histogram ?
I have two vectors X and Y. To construct a 2D histogram, I have to create a grid on scatter plot of X,Y. And count number of da...

8 years 前 | 1 个回答 | 0

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Access subarry from large file and loop through each subarry.
Hi all,I have an array A as follows, 1 65 63 41 1 32 1 66 1 51 453 66 2 12 12 251 2 54 544 84 3 848 484 48 3 4...

8 years 前 | 1 个回答 | 0

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How to rotate XtickLabels and make them vertical.
f = fopen('1IV7_1M.txt','r'); x = fscanf(f , '%d %d %f' , [3 inf]); x = x'; g = fopen('1FA3_6_1M.txt','r'); y = fscanf...

8 years 前 | 4 个回答 | 0

4

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Label scatter data points.
I have a matrix C as follows; 1 3 0.454 54 3 4 0.478 0.356 7 8 4.564 1546 And I plot, scatter(C(:,3),C(:,4)) I wan...

8 years 前 | 1 个回答 | 0

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Close matlab in shell script but keep the figure window.
My matlab script plots a scatter plot.I am running this matlab script within the shell script. My shell script has for loop. I w...

8 years 前 | 2 个回答 | 0

2

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Prellocate memory to unknown size array ?
numfiles = 3; A = []; for i = 1:numfiles f = fopen(sprintf('F%d', i), 'r'); D = fscanf(f, '%d %d %f',[3, inf])...

8 years 前 | 0 个回答 | 0

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Loop through large number of files and access arrays outside the loop ?
for i = 1:50000 f = fopen(sprintf('F%d', i), 'r'); %File names are F1, F2 and son on. X{i} = fscanf(f, '%d %d %...

8 years 前 | 0 个回答 | 0

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Loop through large number of files and access data outside the loop
numfiles = 50000 for i = 1:numfiles f = fopen(sprintf('F%d', i), 'r'); %File names are F1, F2 and son on. ...

8 years 前 | 0

提问


Loop through large number of files and access data outside the loop
I have to run this code over 50000 files which is around 250 GB so, I am also looking to improve performance.

8 years 前 | 2 个回答 | 0

2

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Rearranging column of m by 1 matrix.
I have m by 1 matrix and 95 is the factor of m, I want to rearrange it as, First 95 rows as a first column, 96 to 190 as second ...

9 years 前 | 2 个回答 | 0

2

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