KSSV

Last seen: 2 jours il y a | Actif depuis 2011

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

Programming Languages:
Python, MATLAB, Fortran
Spoken Languages:
English, Hindi, Telugu

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19 Questions
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Réponse apportée
Array indices must be positive integers
The error is clear......your indices are either negative or zeros double. When you are indexing, the indices should be either lo...

environ un mois il y a | 0

A soumis

complex corelation and p-value
To find the complex correlation and its p-value between two complex vectors.

environ 2 mois il y a | 3 téléchargements |

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Réponse apportée
getSlope function issues for MATLAB code
You can implement this function in few lines from the Method you have mentioned. Let x be your voltage readings and y be their...

2 mois il y a | 0

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3d plots with attributes of points
Let data be your three columns matrix. x = data(:,1) ; y = data(:,2) ; z = sata(:,3) ; % Plot as unstructured grid dt = d...

4 mois il y a | 0

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how to delete my profile?
Go to MyAccount > Profile > Close Account.

4 mois il y a | 0

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Print a statement to the Command Window
To display text in the Command Window, use disp or fprintf . disp('job done') or fprintf('job done \n')

4 mois il y a | 21

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Réponse apportée
Visualizing 4 Dimensional NetCDF Files
REad about slice

4 mois il y a | 1

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Réponse apportée
is there a way to automatically label columns with stackedplot with a common name?
You rename the labels of the table to the desired and use stackedplot. A = rand(10,4) ; T = array2table(A) ; stackedplot(T) ...

5 mois il y a | 0

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Réponse apportée
3D plot for a given matrix
Read about stem3.

5 mois il y a | 0

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How can I plot 2D streamlines on top of a surf plot?
% conc plot first [X,Y,Z] = peaks(100) ; [uX,uY] = gradient(Z) ; figure(1); surf(X,Y,Z); daspect([1 1 1]); shading int...

5 mois il y a | 1

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Réponse apportée
How to remove all weird column names from a table and replace them (with numbers or alphabet letters)?
T = readtable(myfile) ; T.Properties.VariableNames = {'1','2','3','4','5','6','7','8'} ; NOTE: The column names on the right...

5 mois il y a | 1

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Réponse apportée
Question on surface plotting (beginner)
T = readtable('surface.txt') ; x = T.(1) ; y = T.(2) ; z = T.(3) ; F = scatteredInterpolant(x,y,z) ; dx = 0.1 ; dy = 0.1 ;...

5 mois il y a | 2

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Réponse apportée
Help importing and reading .csv file and graphing
T = readtable('myFile.csv') ; figure hold on plot(t,T.(1),'r') plot(t,T.(2),'b') legend('data1','data2') Where t is your d...

5 mois il y a | 0

Réponse apportée
Creating a histogram with non-increasing x axis
A = rand(100,1) ; figure h = histogram(A) ; vals = h.Values ; bins = h.BinEdges ; bins = (bins(1:end-1)+bins(2:end))/2 ; ...

6 mois il y a | 1

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Réponse apportée
Data Reshape for Contour Plot
T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1776380/RawDataCFXPost.xlsx'); [theta,rho,z] = car...

6 mois il y a | 0

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Réponse apportée
how to delete the files in a folder using matlab?
Read about delete

6 mois il y a | 0

Réponse apportée
If f1(x,y)≤z≤f2(x,y), how to draw the range of z?
x=-5:0.1:5; y=-5:0.1:5; [m,n] = meshgrid(x,y) ; z1 = m.^2+n.^2; z2 = 3*m.^3+n.^2+1 ; surf(x,y,z1,"EdgeColor","none")...

6 mois il y a | 0

Réponse apportée
Vectorize scalar and colon
A = zeros(6,10) ; A(:,1:3) = 1 ; A(4:6,4:5) = 1;

7 mois il y a | 0

Réponse apportée
Pearson correlation graph between variables
clc; clear ; R = zeros(6,1) ; for i = 1:6 X = rand(100,1) ; y = rand(100,1) ; R(i) = regression(X',y') ; ...

7 mois il y a | 0

Réponse apportée
how to plot from .csv file?
T=readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1753899/baseline.csv') ; freq=T.(2)(1:6); A_1_PE_H...

7 mois il y a | 0

Réponse apportée
Multiple text entries over plots
You can use the text to add the strings. You need to specify the position where you want to place the string. You may find centr...

7 mois il y a | 1

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Réponse apportée
How to Extract photos at Each frame from a Video in MATLAB?
vidObj = VideoReader('C:\Users\Public\Videos\Sample Videos\Wildlife.wmv'); numFrames = 0; while hasFrame(vidObj) F = read...

8 mois il y a | 0

Réponse apportée
Interpolation of two-dimensional within a given space window
T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1744881/Points.txt'); x = T.(1) ; y = T.(2) ; z ...

8 mois il y a | 0

Réponse apportée
copping grayscale image and remove any other borders or details
Read about imcrop. [I,rect] = imcrop(myimage) ;

8 mois il y a | 0

Réponse apportée
Script has no errors, but no plot is given
% Constants hbar = 1.0545718e-34; % Planck's constant m = 9.10938356e-31; % Electron mass l = 1; % angular momentum quantum...

8 mois il y a | 0

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Réponse apportée
Index in position 1 is invalid. Array indices must be positive integers or logical values.
You need to proceed like this: tic % Specifying the length of the array N = 1000; % Making phi and theta array lengths th...

8 mois il y a | 0

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Réponse apportée
How to move colorbar in scatter3 plot and keep it inside the figure
You need to play with the position. cb.Position = [x y L w] ; The position have the details of position (x,y) of the colorbar...

9 mois il y a | 0

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Réponse apportée
How do I plot a polynomial equation and set of x-y coordinates on the same graph?
x = [2 5 8 11 14 20]; y = [0.20 0.29 0.44 0.50 0.66 0.56]; p = polyfit(x,y,3) ; yi = polyval(p,x) ; figure hold on plo...

10 mois il y a | 0

Réponse apportée
How to make double array representation as complex array with null imaginary number ?
z = 3+eps*1i

11 mois il y a | 2

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Réponse apportée
How can I perform time averaging of a signal acquired with an accelerometer?
Read about smooth, movmean.

11 mois il y a | 1

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