# Poulomi Ganguli

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**Content Feed**

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...

2 months ago | 1 answer | 0

### 1

answerQuestion

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...

2 months ago | 1 answer | 0

### 1

answerQuestion

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...

3 months ago | 1 answer | 0

### 1

answerQuestion

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...

5 months ago | 1 answer | 0

### 1

answerQuestion

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...

6 months ago | 1 answer | 0

### 1

answerQuestion

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...

11 months ago | 1 answer | 0

### 1

answerQuestion

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

answerQuestion

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

answersQuestion

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

answerQuestion

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

answerQuestion

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

answerQuestion

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...

1 year ago | 1 answer | 0

### 1

answerQuestion

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

answerQuestion

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

answerGenerating 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

answerQuestion

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

answerQuestion

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

### 0

answersQuestion

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

answerQuestion

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

answerQuestion

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

answerQuestion

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

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answerQuestion

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

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answerQuestion

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

answersQuestion

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

answerQuestion

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

answerQuestion

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

answersProblems 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

answersQuestion

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