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KSSV


Last seen: 1 day ago Active since 2011

https://sites.google.com/site/kolukulasivasrinivas/ Professional Interests: Mathematical Computing

Programming Languages:
Python, MATLAB, Fortran
Spoken Languages:
English, Hindi, Telugu

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

6 days ago | 0

Answered
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...

7 days ago | 0

Answered
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)

7 days ago | 0

Answered
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 ; ...

11 days ago | 0

Answered
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(...

11 days ago | 0

Answered
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...

12 days ago | 0

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

12 days ago | 1

Answered
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...

18 days ago | 0

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Answered
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)) ; ...

18 days ago | 1

Answered
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. ...

1 month ago | 1

Answered
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 months ago | 0

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Answered
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 months ago | 0

Answered
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 months ago | 1

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Answered
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);

3 months ago | 0

Answered
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 months ago | 0

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

4 months ago | 0

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Answered
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 months ago | 0

Answered
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 months ago | 0

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Answered
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 months ago | 0

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Answered
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 months ago | 1

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Answered
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))

5 months ago | 1

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Answered
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) ; ...

5 months ago | 1

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

5 months ago | 0

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Answered
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 months ago | 0

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

6 months ago | 0

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

6 months ago | 0

Answered
Plotting a cartesian equation with an imaginary component of 0*1i
c = 4+1i*0 ; plot(real(c),imag(c),'*r')

6 months ago | 0

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Answered
How can I generate a 3D torus taking a function as the torus shape?
R1 = 3 ; R2 = 1 ; u = linspace(0,2*pi-eps) ; v = linspace(0,2*pi-eps) ; [u,v] = meshgrid(u,v) ; X = (R1+R2*cos(v)...

6 months ago | 0

Answered
Interpolate MATLAB geoscatter/geoplot data to estimate average wind speeds in the Gulf of Mexico?
REad about scatteredInterpolant, griddata.

6 months ago | 0

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