KSSV

Last seen: Today | 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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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...

environ 23 heures il y a | 1

A répondu
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...

environ 24 heures il y a | 1

A répondu
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') ;...

3 jours il y a | 0

A répondu
Extracting Histogram data for plot generation
h = histogram(rand(100,1)) data = h.Data ; BinEdges = h.BinEdges ; Values = h.Values ;

11 jours il y a | 0

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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...

11 jours il y a | 0

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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)

11 jours il y a | 0

A répondu
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 ; ...

15 jours il y a | 0

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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(...

15 jours il y a | 0

A répondu
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...

16 jours il y a | 0

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A répondu
Plot a time series plot in customized rectangle
plot(time,pm_1,'b','LineWidth',1); % You may change line width

17 jours il y a | 1

A répondu
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...

22 jours il y a | 0

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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)) ; ...

22 jours il y a | 1

A répondu
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. ...

environ un mois il y a | 1

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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)+(...

environ 2 mois il y a | 0

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A répondu
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...

2 mois il y a | 0

A répondu
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 mois il y a | 1

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A répondu
How to get the plot x&y when a user clicks on a point I have plotted
REad about getpts

3 mois il y a | 0

A répondu
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 mois il y a | 0

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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 mois il y a | 0

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FE triangle mesh without the mesh node connections visible
h1 = trisurf(meshConnections, X, Y, Z, permittivity); h1.EdgeColor = 'none' ;

4 mois il y a | 0

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A répondu
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 mois il y a | 0

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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 mois il y a | 0

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A répondu
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')

5 mois il y a | 0

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A répondu
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...

5 mois il y a | 1

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A répondu
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 mois il y a | 1

| A accepté

A répondu
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 mois il y a | 1

A répondu
Finding the roots for an equation
syms x a eqn = x^4+5*a*x^2+6*a==0 ; s = solve(eqn,x)

6 mois il y a | 0

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A répondu
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 mois il y a | 0

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Filtering Values in Matlab in the Same Matrix Size
A = [2 5 8; 2 6 7; 1 9 5] ; A(A<=5) = 0

6 mois il y a | 0

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A répondu
How do you plot a line on a function defined by colors?
[X,Y,Z] = peaks(100) ; contourf(X,Y,Z)

6 mois il y a | 0

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