KSSV
https://sites.google.com/site/kolukulasivasrinivas/ Professional Interests: Mathematical Computing
Python, MATLAB, Fortran
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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...
1 jour il y a | 0
| A accepté
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)) ; ...
1 jour il y a | 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. ...
15 jours il y a | 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)+(...
environ un mois il y a | 0
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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...
environ 2 mois il y a | 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...
2 mois il y a | 1
| A accepté
How to get the plot x&y when a user clicks on a point I have plotted
REad about getpts
2 mois il y a | 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);
3 mois il y a | 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')
3 mois il y a | 0
FE triangle mesh without the mesh node connections visible
h1 = trisurf(meshConnections, X, Y, Z, permittivity); h1.EdgeColor = 'none' ;
3 mois il y a | 0
| A accepté
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
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)
4 mois il y a | 0
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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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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
| A accepté
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 mois il y a | 1
| A accepté
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 mois il y a | 1
Finding the roots for an equation
syms x a eqn = x^4+5*a*x^2+6*a==0 ; s = solve(eqn,x)
5 mois il y a | 0
| A accepté
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', ...
5 mois il y a | 0
Filtering Values in Matlab in the Same Matrix Size
A = [2 5 8; 2 6 7; 1 9 5] ; A(A<=5) = 0
5 mois il y a | 0
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How do you plot a line on a function defined by colors?
[X,Y,Z] = peaks(100) ; contourf(X,Y,Z)
5 mois il y a | 0
Plotting a cartesian equation with an imaginary component of 0*1i
c = 4+1i*0 ; plot(real(c),imag(c),'*r')
5 mois il y a | 0
| A accepté
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)...
5 mois il y a | 0
Interpolate MATLAB geoscatter/geoplot data to estimate average wind speeds in the Gulf of Mexico?
REad about scatteredInterpolant, griddata.
6 mois il y a | 0
Plotting my own validation and loss graph while training a CNN
[net,info] = traiNetwork() ; % you need to train the network rmse = info.TrainingRMSE ; % get the RMSE curve from info ep...
6 mois il y a | 0
Why won't my plot start 0 and increase to 0.005 like my Ld
clc; clear all ; % url = 'https://www.ioc-sealevelmonitoring.org/list.php?operator=&showall=all&output=contacts#' ; % T = we...
6 mois il y a | 0
Writing into excel sheet from matlab
N = 10 ; iwant = zeros(N,1) ; for i = 1:N iwant(i) = i ; end T = table(iwant) ; writetable(T,'Test.xlsx')
6 mois il y a | 0
I am trying to read xlsx file data into MATLAB environment, not able to read xlsx variables more than 10.
Don't use xlsread, it is obselete. Use readtable.
6 mois il y a | 0
Select images from a folder based on their similarity.
Read about ssim.
6 mois il y a | 0
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Plotting a time series e^(-at) cos((bt) u_s (t)) for two cases, first for a=3 and b=50, then for a=-3 and b=50.
clc; clear ; a1=3; b1=50; a2 = -3; b2= 50; t = linspace(0,1) ; f1 = exp(-a1*t).*cos(b1*t) ; f2 = exp(-a2*t).*cos...
6 mois il y a | 0
How can i calculate max correlation and time delay between two signals?
REad about crosscorr.
6 mois il y a | 0