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KSSV


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6,370 total contributions since 2011

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

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Answered
How to import variables to excel sheet?
Read about xlswrite

2 days ago | 1

| accepted

Answered
Exporting data from workspace
REad about xlswrite

3 days ago | 0

Answered
Parabola plot not displayed correctly
You are suing the random numbers for demo.....you have to sort them before you use: X = randi(100,[40, 1]) ; X = sort(X) ; ...

3 days ago | 0

| accepted

Answered
How to name each row of a 4 by 4 matrix, that is calculated. Then plot those rows each in a separate figure?
A = rand(4,4) ; var = {'row1', 'row2','row3','row4'} ; % Table T = table(A, 'RowNames',var) ; % Plot for i = 1:4 ...

3 days ago | 0

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Answered
How to label the interior of region as 2 where as boundary is already labelled as 4 for an object using Matlab coding
AS you have coordinates for the boundary (i.e 4), use inpolygon and get the coordinates lying inside it. Label them or fill the ...

3 days ago | 0

Answered
how to add 2 legends for 2 portions of one plot?
th = 0:pi/100:2*pi ; y = sin(th) ; plot(th,y) % set 1 th1 = th(th<=pi) ; y1 = y(th<=pi) ; % set 2 th2 = th(th>pi) ; ...

4 days ago | 0

Answered
how to store data in a matrix?
U10 = ncread(filename,'U10M'); If your variable U10M is 3D, the above line reads complete data. Your U10 should be 3D....

4 days ago | 0

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Answered
How to modify text file
fid = fopen('data.txt') ; S = textscan(fid,'%s') ; fclose(fid) ; S = S{1} ; % Find the string you want to change idx =...

4 days ago | 0

Answered
How to calculate derivation of 2D spline data
REad about gradient

4 days ago | 0

Answered
Import of a 2D mesh created by Mesh2D or NodeLab into PDE Toolbox
You need to proved the mesh in .stl format. Write the required data into .stl file using: https://in.mathworks.com/matlabcentral...

4 days ago | 0

Answered
Marker points are not fully visible
plot(x,y,'ok','MarkerSize',12,'MarkerFaceColor','k');hold on plot(x1,y1,'LineWidth',2); hold off a = datenum(x1); datetick('...

5 days ago | 0

Answered
Linear Regression - how to incorporate in figure
Read about plotregression x=[1 2 5 9 4 10 11 2 6] ; y=[5 3 6 8 5 12 14 4 8] ; plotregression(x,y);

5 days ago | 0

Answered
number format using solve
REad about double and vpasolve

5 days ago | 0

Answered
Write Data to Excel
x = rand(3,1) ; y = rand(3,1) ; z = rand(3,1) ; T = table(x,y,z) ; writetable(T,'test.xlsx')

5 days ago | 0

Answered
How do I put elements from one matrix into separate matrices using a loop?
You can use functions like ismember. You can also use logical indexing. The best would be ismember. Read about the function.

5 days ago | 0

Answered
how to divide a 3D figure in matlab in to cubes and getting the cubes's addresses
How about using this function? https://in.mathworks.com/matlabcentral/fileexchange/15161-plotcube You can draw cubes by provid...

5 days ago | 0

Answered
Intersection between lines and traced shape
The best you can use is: https://in.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections?focused=5165138&tab=funct...

5 days ago | 0

Answered
Getting image dimensions into a table
%% Get the dimensions of the image Namelist = cell(length(filelist), 1); N = length(filelist) ; S = zeros(N,3) ; for i = 1...

5 days ago | 0

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Answered
Read images in four different folders
This is asked multiple times int he forum and it has ben answered lot of times. Refer this one for example: https://in.mathwor...

5 days ago | 0

Answered
How to change contour level in different range?
[X,Y,Z] = peaks(100) ; figure hold on contour(X,Y,Z,'LevelList',-6:0.2:4) % levels with difference 0.2 for till 4 contour(...

6 days ago | 1

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Answered
why i get an error ?
Z=uint8(254*((L-mm)/oo))+1; Y = uint8(Y) ; SS=mod((Y+Z),256) Note that same class varibales only can be added. A integer sho...

6 days ago | 0

Answered
How do I get the area of this problem?
Refer this: https://in.mathworks.com/matlabcentral/fileexchange/33543-monte-carlo-method?focused=5201749&tab=function

6 days ago | 1

Answered
How to convert netcdf to tiff
Refer this for the same question: https://in.mathworks.com/matlabcentral/answers/353583-netcdf-into-geotiff-tiff-file-conversion...

6 days ago | 0

Answered
Smooth curves how to
x=[1 2 3]; y=[1.22 3.31 1.91]; xx = min(x):0.1:max(x); yy = spline(x,y,xx); plot(x,y,'r',xx,yy,'b')

6 days ago | 0

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Answered
Orthogonal Distance Regression plot and regression equation
Refer this: https://stackoverflow.com/questions/12250422/orthogonal-distance-regression-in-matlab

6 days ago | 0

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Answered
image processing, k nearest neighbor
This is how you can use knnsearch. a=imread('coins.png'); b=im2bw(a); c=zeros(size(b)); [ptx,pty] = ginput(1); newdata=[pt...

9 days ago | 0

Answered
Check for the length of the matrix
A = rand(3) ; B = zeros(5) ; [nx,ny] =size(A); B(1:nx,1:ny) = A ; Also read about padarrays

9 days ago | 0

Answered
If loop not executed in a function
Use strcmp instead of equating. function[A0,A1,A2,A3,A4,A5]=Trial_types(ship_type,x) if strcmp(ship_type,'Passenger ship')...

9 days ago | 2

| accepted

Answered
For loop error: Subscript indices must either be real positive integers or logicals
T_o=[0;0;0]; T_d=[0;0;0]; T_l=[0;0;0]; out_n=zeros([],3); tt=0:0.1:10 ; for i = 1:length(tt) t = tt(i) ; T_o = ...

9 days ago | 0

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Answered
for loop, assign variable
You should initiliaze ed before the loop. for i=1:rows for j=1:columns %calc and store sorted euclidean d...

9 days ago | 1

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