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KSSV


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6,522 total contributions since 2011

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

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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...

3 days 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...

3 days 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

3 days ago | 0

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. ...

4 days ago | 0

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

4 days 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 =...

4 days 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 ...

4 days ago | 0

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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...

5 days 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...

5 days ago | 3

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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...

7 days 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 ; ...

7 days 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 ...

7 days ago | 0

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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...

7 days 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) ; ...

7 days 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...

7 days 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...

7 days 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 ...

10 days ago | 0

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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) ;

10 days 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)] ;

10 days 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.....

10 days ago | 0

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

11 days 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 ...

17 days 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...

17 days ago | 0

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

17 days 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...

17 days ago | 0

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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

19 days ago | 0

Answered
How to draw three graphs together to make a composite figure
C = [0 0 ; 1 0 ; 1 1 ; 0 1 ; 0 0 ] ; A = [0 1 ; 0 1.25 ; 1 1.25 ; 1 1 ; 0 1] ; B = [1 0 ; 1 1 ; 1.25 1 ; 1.25 0 ; 1 0] ; ...

19 days ago | 1

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Answered
Converting output from 'find' into a logical
Read about ind2vec. By the way you can straightaway logical, there is no need to use find.

19 days ago | 0

Answered
Find the surface area of an object using stereo vision.
After using delaunayTriangulation, you have vertices and nodal connectivity in hand. Then you can use this function to get the a...

20 days ago | 0

Answered
Is there a way to come up with all the combination between 0 and 1 that sum up to equal 1?
x = 0:1/100:1 ; id = nchoosek(1:length(x),4) ; thesum = sum(x(id),2) ; % find sum == 1 idx = thesum==1 ; iwant = x(id...

20 days ago | 1

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