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Abhishek Chakraborty


Last seen: 2 days ago Active since 2020

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Question


How to plot a matrix containing NaN?
I have a MATLAB 2-D array which I want to plot which contain only 2 numbers : 0 and 1. It also contains a few NaNs. I want to pl...

7 days ago | 2 answers | 0

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answers

Question


How to convert a vector shapefile containing several attributes to gridded (raster) format?
I want to convert a vector shapefile to gridded (raster) format. How to do it? I tried the following code: >> S=shaperead("S.sh...

2 months ago | 0 answers | 0

0

answers

Question


How to run a multiple linear regression of this format?
I want to run a multiple linear regression model of this form: where, is the intercept and all other terms are the coeffic...

3 months ago | 1 answer | 0

1

answer

Question


How to find the mean of 12 different 3-D arrays containing nan so that I can omitnan in the final calculations?
I have 12 different 3-D arrays, say A, B, C, D, E, F, G, H, I, J, K, L, each of them having the dimension of 60x57x372. All of t...

4 months ago | 1 answer | 0

1

answer

Question


How to mask a 3-D raster using a multiple feature attribute shapefile?
I wanted to mask a raster file using a shapefile which contains more than one feature attributes. For shapefile containing only ...

5 months ago | 1 answer | 0

1

answer

Question


How to convert cell array containing text to numbers?
I have a cell array containing a mixture of numbers and letters. I want to remove all the letters and keep only the numbers in i...

6 months ago | 2 answers | 1

2

answers

Question


How to read an xls file in matlab which has latitude (suffixed with N), longitude (suffixed with E), time (prefixed with the month), and a value corresponding to latitude and longitude in it?
The xls file looks like this... The first column is the longitude. I want to extract only the number from it. For example, i...

6 months ago | 1 answer | 0

1

answer

Question


How to assign a different value to a given value in a 2-D array?
I have a 900x1200 element 2-D array. Suppose it is A. I want to assign a value "1" to all the elements whose value is "5". How c...

6 months ago | 1 answer | 0

1

answer

Question


How to extract the first four and last four digits of all numbers of an array where each number is of 12 digits?
I have an array of over 200,000 numbers. Each of these numbers is of 12 digits. I want to extract and form another array with: (...

6 months ago | 1 answer | 0

1

answer

Question


How to interpolate the matrix A ?
I want to interpolate a matrix "A" containing 3633 rows and 3506 columns with many scattered NaNs to another matrix "B" containi...

1 year ago | 1 answer | 0

1

answer

Question


How to find row wise correlation coefficients and p values for two matrices?
I have two matrices, A and B. Both A and B have 3420 rows and 29 columns. I want the correlation coefficients and P values of th...

1 year ago | 1 answer | 0

1

answer

Question


How to plot a map with Latitude, Longitude and Elevation of India?
I have 3 arrays containing the Latitude, Longitude and Elevation. All three of them are column vectors and of India. How do I pl...

1 year ago | 1 answer | 0

1

answer

Question


How to plot a Multi Region Input Output plot?
I am working on a model through which I have to indicate the flows from several parts of the world to the other parts of the wor...

1 year ago | 0 answers | 0

0

answers

Question


Interpretation of multicomparison test results of MATLAB to give the letters to samples
I am conducting a one-way ANOVA test on my experimental results. After that, I want to know whether the means of the groups are ...

1 year ago | 0 answers | 0

0

answers

Question


How to find letters indicating significant differences at alpha=0.05?
How to find the letters a, b, ab indicating significant differences using MATLAB at alpha-=0.05? Also, how to write the letter...

1 year ago | 1 answer | 0

1

answer

Question


I want to extract values from second column of the matrix which correspond to the range 6 to 7 of the first column. How to do it?
I have a 2 column matrix. Each column contains around 4 million elements (numbers). I have sorted the matrix with respect to inc...

1 year ago | 1 answer | 0

1

answer

Question


How to plot this graph?
I want to plot such a graph. The upper domain of the shaded area is Mean+Standard deviation and the lower one is Mean-Standard...

1 year ago | 1 answer | 0

1

answer