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KSSV


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6.526 total contributions since 2011

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

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Answered
How to put a dot at a certain place in the graph.
plot(7.5,100,'.','MarkerSize',10) Read about plot, you have many choices for markers.

ongeveer 17 uur ago | 0

| accepted

Answered
Question on using interpolate function
Use logical indexing: x = [1 2 3 4 5 6]; data = [0.1 0.2 0.3 0.4 0.4 0.4]; vq1 = x(abs(data-0.4)<10^-5)

ongeveer 19 uur ago | 0

Answered
why showing 'Array indices must be positive integers or logical values.'
m2 = zeros(N,1); %2Matrix of second moment matrix m2_pul = zeros(N,1); %x(n)x(n+t)Matrix frame fs = 5...

ongeveer 20 uur ago | 0

Answered
loop to work with the column
iwant = sum(X>6,1)

1 dag ago | 0

Answered
Not enough input arguments
YOu have to define/ give values of f,ea,xl,xu to the function. I think you are running the function directly. f = your value...

5 dagen ago | 0

Answered
How to stop a simple harmonic oscillator after one period
Knowing mass and spring constant of the pendulum, you can calculate the frequency, time period. Once time period is known, you c...

5 dagen ago | 0

Answered
How to display two animation in one plot?
https://in.mathworks.com/matlabcentral/answers/301358-how-do-i-do-multi-animated-lines-in-one-axes

5 dagen ago | 0

| accepted

Answered
how to remove NAN from a double inside a cell array?
You can fill the nans using fillmissing. Also you can do interpolation ang the values at the places of nan. Read about interp1. ...

5 dagen ago | 0

Answered
How to plot an ellipse?
https://in.mathworks.com/matlabcentral/fileexchange/289-ellipse-m

6 dagen ago | 0

Answered
Undefined function 'diff' for input arguments of type 'function_handle'.
function [Val1, Val2] = nonlinear1(x0) syms x; f = exp(2*sin(x)) - x; Val1 = f(x0); g = diff(f); Val2 =...

6 dagen ago | 0

Answered
For loop with decimal increment not seen as integer or logical value
lindex = 0:0.01:4 ; linc = zeros(3,10,401); for i = 1:length(lindex) linc(:,:,i) = W >= lindex(i) ; end Please note ...

6 dagen ago | 0

| accepted

Answered
Find the intersecting points
If you have the image in hand. Get the locations/ positions i.e (x,y) for both the regions using logical indexing. Get the b...

7 dagen ago | 0

Answered
Plot non-continuous lines with markers
x = [1 2 3 4]; y = [2 3 2 1]; figure; plot(x, y, '-bo', 'LineWidth', 3, 'MarkerSize', 20, 'MarkerFaceColor', 'w', 'MarkerEdge...

7 dagen ago | 3

| accepted

Answered
How do I receive the touching points of a circle with given radius inside a curve?
Use this: https://in.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections?focused=5165138&tab=function Also y...

9 dagen ago | 0

Answered
define x and y for interpolation of scattered data
Let A be the matrix, which is of size m*n x = 1:n ; y = 1:m ; [X,Y] = meshgrid(x,y) ; xq = 1:0.5:n ; yq = 1:0.5:m ; ...

9 dagen ago | 0

Answered
How can I save data in a multidimensional array
As you have Table T in your hand. You have what you want in hand already. You can access your required array suing. T.Vego ...

9 dagen ago | 0

| accepted

Answered
using a vector to represent three coefficients.
function [quadRoots,disc] = Q1_19000046(coeff) %[quadRoots,disc] = Q1_19000046(coeff); %Compute quadRoots and disc of quadrati...

9 dagen ago | 0

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Answered
Getting the max value of a certain column, fetching the entire row from a 3D matrix and write those in a new matrix
A = rand(68,8,30) ; % randmom data for demo col = 3 ; % third column from which max to be seeked [m,n,p] =size(A) ; ...

9 dagen ago | 0

Answered
How to smooth out a surf plot
surf(z_vec, v2in_vec, all_v2.') Increase the dimensions of z_vec and v2in_vec. Make the difference/ step size small to increase...

9 dagen ago | 0

Answered
Classification learner app input issue
Two options: Merge all the csv files into single csv file and load the data through csv file. Load each file data into works...

9 dagen ago | 0

Answered
How to make visualization of multi-vehicle motion?
Use interpolation and get all the vehicles to the same time vector. Read about interp1. When you do this, your position of each ...

12 dagen ago | 0

| accepted

Answered
How to sum columns of a matrix in MATLAB in specified number of columns?
A = rand(2500,500) ; B = reshape(A,2500,10,[]) ; iwant = squeeze(B,2) ;

12 dagen ago | 0

Answered
How to make every element in the form of isoparametric, Lagrangian quadratic element?
nodes = [nodes(:,1) nodes(:,5) nodes(:,2) nodes(:,6) nodes(:,3) nodes(:,7) nodes(:,4) nodes(:,8) nodes(:,9)] ;

12 dagen ago | 0

Answered
Obtaining the pixel values within an ROI
As you have the coordinates for the boundary, use inpolygon and get the locations of the points lying inside the clsoed region.....

12 dagen ago | 0

Answered
contour plot for 3d data with x, y, z and c in matlab
Read abouit contour3, slice.

13 dagen ago | 0

Answered
How to use a shapefile to extract regions outside the shapefile?
Read the shape file using shaperead. This has single/ multiple regions. Pick one closed region fromt he shape file Take the ...

18 dagen ago | 0

Answered
Choose n points randomly from a circle, how to calculate the probability that all the points are in one semicircle?
% Generate circle r = 1. ; % radius th = linspace(0,2*pi) ; x = r*cos(th) ; y = r*sin(th) ; % Geenrate random points...

19 dagen ago | 0

Answered
Plot 4000x500 2D matrix
Read about surf, pcolor, imshow, imagesc.

19 dagen ago | 0

Answered
Generate (X,Y) grid coordinates from within contour boundary
Use boundary to get the boundary of your required region. Use inpolygon with the generated grid and boundary points to get the...

19 dagen ago | 0

| accepted

Answered
I want to read image name to be an string
imgNames = dir('*.jpg') ; N = length(imgNames) ; for i = 1:N img = imgNames(i).name end

21 dagen ago | 0

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