KSSV

Last seen: ein Tag vor | Aktiv seit 2011

Followers: 12 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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Beantwortet
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...

14 Tage vor | 0

Gesendet

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

27 Tage vor | 4 Downloads |

Beantwortet
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...

etwa ein Monat vor | 0

| akzeptiert

Beantwortet
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...

3 Monate vor | 0

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

3 Monate vor | 0

Beantwortet
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')

3 Monate vor | 21

| akzeptiert

Beantwortet
Visualizing 4 Dimensional NetCDF Files
REad about slice

4 Monate vor | 1

| akzeptiert

Beantwortet
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) ...

4 Monate vor | 0

| akzeptiert

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

4 Monate vor | 0

Beantwortet
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...

4 Monate vor | 1

| akzeptiert

Beantwortet
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...

4 Monate vor | 1

| akzeptiert

Beantwortet
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 ;...

4 Monate vor | 2

| akzeptiert

Beantwortet
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 Monate vor | 0

Beantwortet
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 ; ...

5 Monate vor | 1

| akzeptiert

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

5 Monate vor | 0

| akzeptiert

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

5 Monate vor | 0

Beantwortet
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")...

5 Monate vor | 0

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

6 Monate vor | 0

Beantwortet
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') ; ...

6 Monate vor | 0

Beantwortet
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...

6 Monate vor | 0

Beantwortet
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...

6 Monate vor | 1

| akzeptiert

Beantwortet
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...

7 Monate vor | 0

Beantwortet
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 ...

7 Monate vor | 0

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

7 Monate vor | 0

Beantwortet
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...

7 Monate vor | 0

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Beantwortet
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 Monate vor | 0

| akzeptiert

Beantwortet
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...

8 Monate vor | 0

| akzeptiert

Beantwortet
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 Monate vor | 0

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

10 Monate vor | 2

| akzeptiert

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

10 Monate vor | 1

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