KSSV
https://sites.google.com/site/kolukulasivasrinivas/ Professional Interests: Mathematical Computing
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An N by N by N matrix code
text(0.5,0.5,'D','FontSize',90,'Color','k') axis off I=frame2im(getframe(gcf)); iwant = imresize(I,[50 50]) ; imshow(iwant)
ongeveer een maand ago | 0
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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...
9 maanden ago | 0
Submitted
complex corelation and p-value
To find the complex correlation and its p-value between two complex vectors.
10 maanden ago | 1 download |
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...
10 maanden ago | 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...
12 maanden ago | 0
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')
ongeveer een jaar ago | 21
| accepted
Visualizing 4 Dimensional NetCDF Files
REad about slice
ongeveer een jaar ago | 1
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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) ...
ongeveer een jaar ago | 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...
ongeveer een jaar ago | 1
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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...
ongeveer een jaar ago | 1
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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 ;...
ongeveer een jaar ago | 2
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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...
ongeveer een jaar ago | 0
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 ; ...
ongeveer een jaar ago | 1
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Data Reshape for Contour Plot
T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1776380/RawDataCFXPost.xlsx'); [theta,rho,z] = car...
ongeveer een jaar ago | 0
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how to delete the files in a folder using matlab?
Read about delete
ongeveer een jaar ago | 0
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")...
ongeveer een jaar ago | 0
Vectorize scalar and colon
A = zeros(6,10) ; A(:,1:3) = 1 ; A(4:6,4:5) = 1;
ongeveer een jaar ago | 0
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') ; ...
ongeveer een jaar ago | 0
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...
meer dan een jaar ago | 0
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...
meer dan een jaar ago | 1
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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...
meer dan een jaar ago | 0
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 ...
meer dan een jaar ago | 0
copping grayscale image and remove any other borders or details
Read about imcrop. [I,rect] = imcrop(myimage) ;
meer dan een jaar ago | 0
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...
meer dan een jaar ago | 0
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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...
meer dan een jaar ago | 0
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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...
meer dan een jaar ago | 0
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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...
meer dan een jaar ago | 0
How to make double array representation as complex array with null imaginary number ?
z = 3+eps*1i
meer dan een jaar ago | 2
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