KSSV

Last seen: Today | Attivo dal 2011

Followers: 13 Following: 0

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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 Domande
11.313 Risposte

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Risposto
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...

circa un mese fa | 0

Inviato

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

circa 2 mesi fa | 3 download |

0.0 / 5

Risposto
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 mesi fa | 0

| accettato

Risposto
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 mesi fa | 0

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

4 mesi fa | 0

Risposto
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 mesi fa | 21

| accettato

Risposto
Visualizing 4 Dimensional NetCDF Files
REad about slice

4 mesi fa | 1

| accettato

Risposto
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 mesi fa | 0

| accettato

Risposto
3D plot for a given matrix
Read about stem3.

5 mesi fa | 0

Risposto
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 mesi fa | 1

| accettato

Risposto
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 mesi fa | 1

| accettato

Risposto
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 mesi fa | 2

| accettato

Risposto
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 mesi fa | 0

Risposto
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 mesi fa | 1

| accettato

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

6 mesi fa | 0

| accettato

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

6 mesi fa | 0

Risposto
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 mesi fa | 0

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

7 mesi fa | 0

Risposto
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 mesi fa | 0

Risposto
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 mesi fa | 0

Risposto
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 mesi fa | 1

| accettato

Risposto
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 mesi fa | 0

Risposto
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 mesi fa | 0

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

8 mesi fa | 0

Risposto
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 mesi fa | 0

| accettato

Risposto
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 mesi fa | 0

| accettato

Risposto
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 mesi fa | 0

| accettato

Risposto
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 mesi fa | 0

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

11 mesi fa | 2

| accettato

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

11 mesi fa | 1

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