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Poulomi Ganguli


Last seen: 4 days ago Active since 2018

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Question


How to ignore points outside polygon shapefiles MATLAB mapping toolbox
Hello: I have polygon shape file, where the shape file comprises of multiple polygon each in a struct format. I want to superim...

4 months ago | 1 answer | 0

1

answer

Question


Problems in reading large matrix with unintended gaps between data
Hello: I guess I have attached the output file instead of the actual one. I revised my submission here. The problem is with the...

4 months ago | 1 answer | 0

1

answer

Question


Problems in reading large matrix with large empty cells
Hello: I am facing problem in reading a large matrix with header file containing values and missing data/empty cells in each co...

4 months ago | 1 answer | 0

1

answer

Question


heat map of high dimensional data
Hello: I have a matrix of data of huge dimension, 100x64. I wish to plot heatmap; could anyone suggests nice way to plot heatma...

7 months ago | 1 answer | 0

1

answer

Question


why my kernel density function never touches x axes?
Hello: I want plot kernel density function with the attached test data. I have used foll. code: Xgrid1 = linspace(min(X),max(X...

8 months ago | 1 answer | 0

1

answer

Question


How to Crop India shape file from Global shapefile
Hello: I have two shapefiles: global shapefiles of landuse map and India administrative boundary shapefile. Is it possible to c...

1 year ago | 1 answer | 0

1

answer

Question


How to remove common row elements from matrix
Hello: I have large number of arrays with mix of NaNs & numbers, for example: NaN NaN NaN NaN NaN NaN 1973 1 15...

1 year ago | 1 answer | 0

1

answer

Question


How to compute centered moving average from an NxM array
Hello: I have an 40x2 matrix, in which the first column shows day index and the 2nd column value for each day: 1 11 2 12 3 1...

1 year ago | 2 answers | 0

2

answers

Question


Identifying missing gaps in daily timeseries
Hello: I have a daily timeseries data for 10 stations which are in foll. format: year month day value 1970 1 1 12...

1 year ago | 1 answer | 0

1

answer

Question


Can't find fmincon optimizer in R2019b
Hello: I have recently installed MATLAB R2019b licensed version in my computer. While on checking ver- option I can find optimi...

1 year ago | 1 answer | 0

1

answer

Question


grouping array based on similar row element
Hello, I have a matrix A: 123 1970 1 1 12 123 1971 1 1 120 123 1972 1 12 300 240 1970 1 10 40 240 1971 2 1 45 240 1972 3...

1 year ago | 1 answer | 0

1

answer

Question


How to fix marker size in scatterm in mapping toolbox
Hello: I want to show circles on the map using scatterm function. In that I want to fix size of each circles proportional to th...

2 years ago | 1 answer | 0

1

answer

Question


Grouping similar element based on common columns
Hello: I have two matrices, which I wish to group together based on common first three column elements. If no common column ele...

2 years ago | 1 answer | 0

1

answer

Question


How to implement MonteCarlo integration of probability density function to obtain CDF
Hello: I have a probability density function obtained from convolution process of two random variables. Hence, I don't have the...

2 years ago | 1 answer | 0

1

answer

Answered
Generating random data from Kernel density estimator
This is simple. First, estimate kernel density parameters from data vector, using fitdist: pd = fitdist(X,'kernel'); Use this ...

2 years ago | 3

Question


Convolution of two probability density function
Hello: I am interested to add two independent random variables, X1 and X2, described by kernel density functions. Is there any ...

2 years ago | 1 answer | 0

1

answer

Question


PDF of paretotail distribution
Hello: I have fitted piecewise paretotail distribution where central distribution is kernel and tails are fitted with pareto di...

2 years ago | 1 answer | 0

1

answer

Question


Convolution of CDF and a PDF using Kernel density estimator
Dear All: I am interested to add CDF described by Generalized Extreme Value and a PDF described by Kernel density estimator usi...

2 years ago | 0 answers | 0

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answers

Question


combining different size arrays based on time dimension and compute average for the last column
Hello: I have two disimilar sized arrays, M1 (37988x5) and M2 (37376x5). The first four column shows year,month,day and hour an...

2 years ago | 1 answer | 0

1

answer

Question


Infil NaN for missing years in time series
Hello: I have two matrices, A and B. Matrix B has some years missing in it. I want to concatenate horizontally two matrices, A ...

2 years ago | 1 answer | 0

1

answer

Question


Finding exact rank of a matrix element
Hello: I have two matrices A and B. I am attaching some parts of original matrices. My question is: how to find elements of mat...

2 years ago | 1 answer | 0

1

answer

Question


Grouped boxplot with different lengths
Hello: I want to plot grouped boxplot in a single figure. My cell array contains foll mxn matrices.: G1: 108x2 G2: 293x2 G3:...

2 years ago | 1 answer | 0

1

answer

Question


Extract maximum value out of two column in a row & delete the last row
Hello: I have two matrix A and B as below. I need to extract maximum value out of column 6th and 7th and delete the last column...

2 years ago | 1 answer | 0

1

answer

Question


Undirected graph network with latitude and longitude as node
Is there any way to plot graph structure describing nodes, edges and links but with latitude and logitude as the co-ordinates us...

2 years ago | 2 answers | 0

2

answers

Question


Problem in determining time dimension in netcdf file
Hello: I am analyzing EURO CORDEX wind data for 1979 - 01-01-1979-12-30 period. The time dimension of the associated netcdf fil...

2 years ago | 1 answer | 0

1

answer

Question


How to calculate difference between two dates when my date is in dd-mm format only
Hello: I have dates of a partcular year as follows in the matrix format: month1 date1 month2 date2 6 9 10 1 ...

2 years ago | 1 answer | 0

1

answer

Question


Shape within the Heat map plot
Hello: I want to plot heatmap of correlation matrix with significant cell value (p-value < 0.05) to be marked with a black symb...

2 years ago | 0 answers | 0

0

answers

Answered
Problems with empty cell in a large matrix
Same here. If there are changes in number of digits before decimal, its not working. For example, "sample2.txt"

2 years ago | 0

Question


Problems with empty cell in a large matrix
Hello: I have a large matrix of 102730 rows in the form of text file (sample text file is attached) with some header files in i...

2 years ago | 3 answers | 0

3

answers

Question


subplots of heatmap versus lineplots in same x-axes
Hello: I have a heat map plot at subplot(2,1,1) and a line plot at subplot(2,1,2). Both have the same x-axes. I want to show th...

2 years ago | 1 answer | 0

1

answer

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