# dipak sanap

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Question

How to quantify shape similarity between two vectors.

I need to quanitfy how similarity between two spectral profile. I have looked at procrustes distance but it dosent work when spe...

2 months ago | 3 answers | 0

### 3

answersQuestion

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...

9 months ago | 1 answer | 0

### 1

answerQuestion

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 ago | 2 answers | 0

### 2

answersQuestion

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 ago | 1 answer | 0

### 1

answerQuestion

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 ago | 0 answers | 0

### 0

answersQuestion

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 ago | 0 answers | 0

### 0

answersQuestion

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 ago | 2 answers | 0

### 2

answersQuestion

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...

9 years ago | 1 answer | 0

### 1

answerQuestion

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...

9 years ago | 1 answer | 0

### 1

answerQuestion

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...

9 years ago | 1 answer | 0

### 1

answerQuestion

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...

9 years ago | 4 answers | 0

### 4

answersQuestion

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...

9 years ago | 1 answer | 0

### 1

answerQuestion

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...

9 years ago | 2 answers | 0

### 2

answersQuestion

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])...

9 years ago | 0 answers | 0

### 0

answersQuestion

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 %...

9 years ago | 0 answers | 0

### 0

answersLoop 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. ...

9 years ago | 0

Question

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.

9 years ago | 2 answers | 0

### 2

answersQuestion

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 ago | 2 answers | 0