# Bhowmik.U

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Professional Interests: radar data analysis

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**Content Feed**

Question

plotting 2 time series with errorbars along double y axis

I have 2 time series data with standard eror rof mean too i.e. errorbar(t,y1,erb-y1) and errorbar(t,y2,erb-y2) This is to be...

4 mesi ago | 1 answer | 0

### 1

answerQuestion

Circular mask for pcolor plot

I have a matrix A=50*50 B=pcolor(AA); I wish to plot pcolor such that values within a circular zone are retained ; and thos...

circa un anno ago | 0 answers | 0

### 0

answersQuestion

geometric mean distance evaluation from scatter plot

I have a scatter of N points. I know their (X,Y) How to calculate geometric mean distance amongst all scatter points !!!

circa un anno ago | 0 answers | 0

### 0

answersQuestion

Product of distance of points in a scatter plot from one another

I have a cloud of (X,Y) scatter referenced to origin (X=0;Y=0); Say there are N points I require to find the distance of point ...

circa un anno ago | 0 answers | 0

### 0

answersQuestion

power law fit to find exponent

I have a data in column matrix x and y I need a power law fit say y=x^m I require to plot scatter of y versus x and pl...

circa 2 anni ago | 1 answer | 0

### 1

answerQuestion

Linear fit to log x axis scatter and correlation calculation

I have two data streams 618*1 doubles; say 'a' and 'b' I want to plot scatter of 'a' versus 'b', 'b' in x axis in log scale I ...

circa 2 anni ago | 1 answer | 0

### 1

answerQuestion

How do I separate a string with hyphen and colon separation within cell

When I am trying to read the file enclosed using the code below, the 1st and 2nd entries I am getting is an array of cells with...

circa 3 anni ago | 1 answer | 0

### 1

answerQuestion

circle in pcolor map with radius as half of map length

Hello, I want to plot pcolor pcolor(X) X=50 * 50 matrix I wish to plot a circle within pcolor map; with centre as centre of...

circa 3 anni ago | 1 answer | 0

### 1

answerQuestion

To Save contourf sequentially in loop according to input filename

Hello, I wish to save contourf sequentially in for loop according to input filename, but it throws error : "Simulink object arr...

circa 3 anni ago | 1 answer | 0

### 1

answerQuestion

Convert X,Y,Z column data into equally spacing grid of X,Y and corresponding Z

have column vector X=m*1; Y=m*1; Z=m*1; (with NaN in between) Want to convert Z data into regular spacing of X and Y; X ( -...

oltre 3 anni ago | 1 answer | 0

### 1

answerQuestion

Shaded Contour and Line Contour in one CONTOURF

I have a matrix A=m x n; X=m x 1; Y=n x 1; contourf(X,Y,A','linestyle','none') I wish to superpose another matrix B (m*n) ...

oltre 3 anni ago | 1 answer | 0

### 1

answerHow to filter out annular data from square matrix

Thanks for the suggestion..however I tried on similar lines but that yielded concentric boxes of data..rather than circles...

oltre 3 anni ago | 0

Question

How to filter out annular data from square matrix

Have a square matrix...501 by 501...Z=501×501 Need to filter out an annular data 20 to 150 centered at (251,251)

oltre 3 anni ago | 2 answers | 0

### 2

answersQuestion

FILTER OUT ANNULAR DATA FROM MATRIX

I have a 501x501 matrix, want annular data 20-150 Km about centre(251,251).. X=1x501; Y=1x501; z=501x501; X=X(:);and so on. m...

oltre 3 anni ago | 0 answers | 0

### 0

answersQuestion

I have hdf file in .h5 extension, is there any way to convert it to CF Compliant NetCDF file

the hdf file when I do hdfview gives following info : BRT_Dataset (5256,2) 32 bit floating point 1400 x 1400 Number of attr...

oltre 3 anni ago | 0 answers | 0

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answersQuestion

To plot coastline IN MY GRID BOX, superimposed on the 'contourf' plot I made with longitude, latitude and data

Lon=nx1; Lat=mx1; Data=nxm; contourf(Lon,Lat,Data) over this extent of Lat and Lon only, I wish to plot the coastline/poli...

circa 4 anni ago | 0 answers | 0

### 0

answersQuestion

scatter plot of 2 colors with X Y and Z data- Z (0 and 1)

I have 3 column vectors X Y and Z. Z is parameter 0 or 1 I wish to plot scatter plot of Z at respective (X,Y) with 2 color...

circa 5 anni ago | 1 answer | 0

### 1

answerQuestion

quivers.mm problem with lat-lon plot

Hello everyone, Am using quivers.m code for lat-lon plot I am getting the plot like the one attached with error as Error...

circa 5 anni ago | 0 answers | 0

### 0

answersQuestion

To select indices in areal density plot

I have X and Y column matrices, I need to plot occurrence density of X-Y pair in 5*5 bin in an area of 250*250, so a total 50 bo...

circa 5 anni ago | 0 answers | 0

### 0

answersQuestion

to save different dimension cell to double

my code generates a cell p = <1x11005 cell> each cell have different number entries.. I wish to write all entries in all ...

circa 5 anni ago | 1 answer | 0

### 1

answerQuestion

Quiver scale in legend pointing north

I have quiverscale.m code downloaded I have U and V matrix (1*30) vectors each 30 corresponds to height bin. my code : quive...

oltre 5 anni ago | 0 answers | 0

### 0

answersQuestion

Vertical Quiver/wind barb plot

I have u and v column matrices 1*300 dimensions each I have z(height) matrix 1*300 I wish to plot wind barb/quiver using u and...

oltre 5 anni ago | 0 answers | 0

### 0

answersQuestion

Quiver plot with each with 5km*5km box having single quiver arrow average of all arrows within the box

I have U wind, V wind, X (lon) and Y (lat) column matrices each of size (7581*1) X and Y ranges from -125 to 125 (converted lat...

oltre 5 anni ago | 0 answers | 0

### 0

answersQuestion

subplot in loop and save final figure, when clear all used after each loop

for a=1:24 body subplot(24,6,a) clear all; end please help;

oltre 5 anni ago | 1 answer | 0

### 1

answerhow to get polar plot for a matrix data(2000*759) for given range(2000*1) and azimuth(1*759) in separate matrix.

@Jan Simon Respected Sir, I searched HELP files but couldnt figure out. Sorry.

oltre 8 anni ago | 0

Question

how to get polar plot for a matrix data(2000*759) for given range(2000*1) and azimuth(1*759) in separate matrix.

I have reflectivity data(dbzh2) in a matrix form 2000*759 where 2000 corresponds to each range bin and 800 to each azimuth. also...

oltre 8 anni ago | 1 answer | 0