KSSV
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https://sites.google.com/site/kolukulasivasrinivas/ Professional Interests: Mathematical Computing
Python, MATLAB, Fortran
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Feeds
Rearranging a vector into a matrix according to other two vectors
x = unique(lat) ; y = unique(depth) ; [X,Y] = meshgrid(x,y) ; F = scatteredInterpolant(lat,depth,concentration,'linear','n...
7 giorni fa | 1
how to store total numbers from for loop in variables
x = xlsread('grades.xlsx'); % Initialise all variables to zero fa = 0; pa = 0; cr = 0; di = 0; hd = 0; % Write your cod...
7 giorni fa | 1
Plot time-series data
Let A be your table. wavelength = A(:,1) ; Time = 1:size(A,2)-1 ; data = A(:,2:end) ; h = pcolor(wavelength,Time,data') ;...
9 giorni fa | 0
Extracting Histogram data for plot generation
h = histogram(rand(100,1)) data = h.Data ; BinEdges = h.BinEdges ; Values = h.Values ;
16 giorni fa | 0
Trying to find pi using when loops to a tolerance of 10^-4.
Try somewthing l;ike this: % summation of pi = 4 * (-1^(k+1))/(2*k-1) ; n_digits = 10 ; iteration = 0 ; % starting iteratio...
17 giorni fa | 0
hi how can i evaluate the function below from x=1,x=2 into a step of 0.1 y=x/(x2+1)
x = 1:0.1:2; % Define the range of x with a step of 0.1 y = x./(x.^2 + 1); % Evaluate the function plot(x,y)
17 giorni fa | 0
convert a .mat to excel file
matFiles = dir('*.mat') ; N = length(matFiles) ; T = table; for i =1:N load(matFiles(i).name) ; T.(i) = val ; ...
21 giorni fa | 0
Solving a system of Non Linear Differential Equations
This is the code..I am getting hight values...you may check and modify the code. tspan = [0 1]; y0 = [0 0 100]; sol = ode45(...
21 giorni fa | 0
Why does it give error in spectrogram plotting?
Replace data = @(filename)fullfile('D:\Rahul\Data_tokamak\data&plot\data_paper1\H-mode data\H-mode bistable model\set1_neoAno_r...
22 giorni fa | 0
| accettato
Plot a time series plot in customized rectangle
plot(time,pm_1,'b','LineWidth',1); % You may change line width
22 giorni fa | 1
Hi, I'd like to see the temperature on a surface map of lon (-20 20) and lat (-10 10).I'd like to have an idea so that this script gives me a better visual like on the figure?
You need to make the values lying outside the given scattered points to NaN. For outside values, the function will extrapolate w...
28 giorni fa | 0
| accettato
fsurf(sym(1), [0 1 0 1], 'y', 'EdgeColor', 'none'), this is fun for z axis , how about y axis?
What you gave is similiar to: x = linspace(0,1,35) ; y = linspace(0,1,35) ; [X,Y] = meshgrid(x,y) ; Z = ones(size(X)) ; ...
28 giorni fa | 1
Using the clear command in functions?
Becuase clc, clear clears your input variables which are saved in the workspace. You need not to use it inside the function. ...
circa un mese fa | 1
Error using surf Z must be a matrix, not a scalar or vector.
You have to use X and Y i.e matrix in the calculation Z. x=(0:0.1:pi); y=(0:0.1:pi); [X, Y]= meshgrid(x,y); Z=(sin(0.3*X)+(...
2 mesi fa | 0
| accettato
How to fill/interpolate missing data to nearest geospatial coordinate?
% Prepare dummy data [X,Y] = meshgrid(1:10,1:10) ; Z = rand(size(X)) ; % Make random nan's idx = sort(randsample(numel(X...
3 mesi fa | 0
Loading a .fig file in MATLAB without losing information
h1 = openfig('test1.fig','reuse'); % open existing/ saved figure ax1 = gca; % get handle to axes of figure h2 = figure; % cr...
3 mesi fa | 1
| accettato
How to get the plot x&y when a user clicks on a point I have plotted
REad about getpts
3 mesi fa | 0
I wonder how to make the lines thicker in rlocus graph
sys = tf([2 5 1],[1 2 3]); rlocus(sys) set(findall(gca, 'Type', 'Line'),'LineWidth',5);
4 mesi fa | 0
How to get output of multiple variables in xls
Let the variables be x, y, z. T = table(x,y,z) ; writetable(T,'text.xlsx')
4 mesi fa | 0
FE triangle mesh without the mesh node connections visible
h1 = trisurf(meshConnections, X, Y, Z, permittivity); h1.EdgeColor = 'none' ;
4 mesi fa | 0
| accettato
Searching a string on a table to get time
You may try using functions like contains, strcmp T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/...
4 mesi fa | 0
Why dot indexing is not supported for variables of this type using EMD method in MATLAB R2019a version ? What can I do?
It seems IMF is not a sturcutre. Check class(IMF) If it is double. Try max(IMF)
5 mesi fa | 0
| accettato
How to plot the graph from the data table as attached.
load matlab.mat ; x = LineProfile.(1) ; y = LineProfile.(2) ; plot(X,y,'r') hold on plot(x,smooth(y),'b')
6 mesi fa | 0
| accettato
Matlab Error (Z must be a matrix, not a scalar or vector.)?
P_air = .1:.1:4; alpha = .0125:.0125:.5; [alpha,P_air] = meshgrid(alpha,P_air); T_air_dry = (1/0.0408)*log((0.42*P_air.*(1-al...
6 mesi fa | 1
| accettato
I am having a problem using corelation with table variables.
M(k,p) = corr(data_array1.(1),data_array2.(1)) OR M(k,p) = corr(table2array(data_array1),table2array(data_array2))
6 mesi fa | 1
| accettato
How to assign a mean of a variable to every year ?
T = readtable(myfile) ; [c,ia,ib] = unique(T.(1)) ; % gewt unique values of years N = length(c) ; iwant = zeros(N,2) ; ...
6 mesi fa | 1
Finding the roots for an equation
syms x a eqn = x^4+5*a*x^2+6*a==0 ; s = solve(eqn,x)
6 mesi fa | 0
| accettato
Right hand side of an assignment into a table must be another table or a cell array.
bias = table('Size',[1,11], 'VariableTypes', {'datetime', 'string', 'double', 'double', 'double', 'double', 'double', 'double', ...
6 mesi fa | 0
Filtering Values in Matlab in the Same Matrix Size
A = [2 5 8; 2 6 7; 1 9 5] ; A(A<=5) = 0
6 mesi fa | 0
| accettato
How do you plot a line on a function defined by colors?
[X,Y,Z] = peaks(100) ; contourf(X,Y,Z)
6 mesi fa | 0