Community Profile

photo

KSSV


INCOIS

5,453 total contributions since 2011

https://sites.google.com/site/kolukulasivasrinivas/
Professional Interests: Mathematical Computing

Contact

KSSV's Badges

  • Master
  • Revival Level 3
  • 24 Month Streak
  • Thankful Level 2
  • Knowledgeable Level 4
  • First Answer
  • Solver

View details...

Contributions in
View by

Answered
Repalce zero element by the number before it ?
N=[ 0 1 4 5 6 7 0 10 0 0 0] ; M = N ; idx = find(N==0) ; % get the indices of zeros...

약 15시간 ago | 1

Answered
find peaks in a mesh plot
Read about max ..It gives indices also....

약 15시간 ago | 0

Answered
Plot a function of three variable
f = @(x,y,z) x.^2+y.^2+z.^2-3*x.*y.*z ; x = linspace(-1,1) ; y = linspace(-1,1) ; z = linspace(-1,1) ; [X,Y,Z] = ndgrid(x,y,...

1일 ago | 0

Answered
How do I bind a specific value to a color using colormap?
Refer this link for the same: https://in.mathworks.com/matlabcentral/answers/375166-how-to-customize-a-colorbar-of-contourf-plo...

2일 ago | 0

Answered
Edit data labels without regenerating plot
x = 0:pi/36:2*pi; y = sin(x); plot(x,y) T = gobjects(8,1) ; for i = 1:8 textstr = sprintf('P%g',i); T(i) = text(i/...

2일 ago | 0

Answered
how to extract a number from file name in folder
Read about dir . This will give you all the file spresent int he foder. YOu can give extension and extract only those files.

2일 ago | 0

Answered
How can I calculate the area between two wawe lines of two agents?
Read about polyarea, trapz

2일 ago | 0

Answered
Cell array: select cells based on length
C = cell(5,1) ; C{1} = rand(1,3) ; C{2} = rand(1,3) ; C{3} = rand(4,3) ; C{4} = rand(1,3) ; C{5} = rand(4,3) ; row = cel...

2일 ago | 0

| accepted

Answered
Cannot get .tif image to display. Following are image info
YOu should use fread to read the data. Read about fread. Also have a look on Tiff https://in.mathworks.com/help/matlab/ref/tiff...

3일 ago | 0

| accepted

Answered
remove weekends and holidays data from excel file
% Read data T1 = readtable('ABC.xlsx','sheet',1) ; T2 = readtable('ABC.xlsx','sheet',2) ; % Get dates common in both idx =...

3일 ago | 0

| accepted

Answered
How to detect clear bubbles
I = imread('download.jpg') ; R = I(:,:,1) ; G = I(:,:,2) ; B = I(:,:,3) ; [y,x] = find(R==255) ; imshow(I) hold on pl...

3일 ago | 0

Answered
What next in the code
The error clearly says that you don;t have the function/ code named Naturalfreq.m . You have to donwload and save it and use.

3일 ago | 1

| accepted

Answered
Image is too big to fit on screen; displaying at 13%? How to fix it
Turn off the warning.... warning('off', 'Images:initSize:adjustingMag');

3일 ago | 0

| accepted

Answered
how to plot rectangles from csv data
A = [1 31 4 9 12 56 17 12 47 43 56 45 43 25 50 14] ; R = 1 ; th = linspace(0,2*pi) ; x = R*cos(th) ; y = R*sin(th) ...

3일 ago | 0

| accepted

Answered
How to find points inside a country border
Read about inpolygon

3일 ago | 0

Answered
How to automate selecting specific xyz map data from an existing xyz data set?
Read about inpolygon. If you have the vertices of closed region/ polygon; ou can get the points lying inside the region.

3일 ago | 0

Answered
How to create a circles (smallest and biggest circle) based on points in an image given, then find the center and radius?
YOu can try to fit a circle with the coordinates (x,y) you have. Check the below code: function [xc,yc,R,a] = circfit(x,y) ...

3일 ago | 0

Answered
How to fill matrix in for loop?
z=-1:0.001:0; ri=0.7; R=ri-z*(ri-1); [R,Z] = meshgrid(z,R) ; r = R-Z.*(R-1) ;

6일 ago | 1

Answered
Read multiple csv files from a folder and not all csv files
fid = fopen('myfile.txt','rt') ; % open your text pad file S = textscan(fid,'%s','delimiter','\n') ; S = S{1} ; ...

7일 ago | 0

Answered
Vectors must be the same length error
YOu need to rethink on your code. bny = input('Insira o codigo binario a codificar: ' ,'s'); idx = ismember(bny,'01'); assert...

8일 ago | 0

Answered
find the index of Curve intersections
Use knnsearch. This will give you the exact point if exists...or the nearest point to the intersection.....

8일 ago | 0

Answered
How to open a .p file in matlab ?
You cannot open a .p file...you can only use it......

8일 ago | 0

Answered
Parfor loop with 3D structure matrix
No loops and parfor required...have a look on reshape. A = rand(4697,1,1600) ; nx = 77 ; ny = 61 ; nt = 1600 ; B = resh...

8일 ago | 0

Answered
How to import 3GB netcdf file into matlab
YOu are trying to load the enitre data from netCDF into MATLAB..this is not the right option..first get familiar with the data.....

8일 ago | 0

| accepted

Answered
getting all points over a specific part in matlab plot
Read about scatteredInterpolant .....this will help you to get what you want. Let (xi,yi) be the x,y, coordinates of the red...

8일 ago | 0

Answered
Access to a reference
YOu can go to this link https://www.researchgate.net/publication/268314294_Solving_0Ftyty_'_t_in_Matlab and request for a full c...

8일 ago | 0

Answered
Plotting latitude, longitude,and signal strength
Read about pcolor, surf, scatter, conourf. All these can be used to plot what you want. The below link shows the possible plot...

9일 ago | 0

| accepted

Answered
How to extract data with latitude and longitude?
Read about interp2. This will help you to get the required data. Let X,Y, A be your whole globe lat,lon and respective data....

9일 ago | 0

Answered
how to average column 3 when column 1 and column 2 satisfies some condition in matrix
A = [1 2 22 1 2 12 1 3 0 1 3 4 2 2 6 2 2 0 2 3 2 2 3 2]; [c,ia,ib...

9일 ago | 1

Load more