KSSV
https://sites.google.com/site/kolukulasivasrinivas/ Professional Interests: Mathematical Computing
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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...
9 hours ago | 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)) ; ...
9 hours ago | 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. ...
14 days ago | 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)+(...
1 month ago | 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...
2 months ago | 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 months ago | 1
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How to get the plot x&y when a user clicks on a point I have plotted
REad about getpts
2 months ago | 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 months ago | 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 months ago | 0
FE triangle mesh without the mesh node connections visible
h1 = trisurf(meshConnections, X, Y, Z, permittivity); h1.EdgeColor = 'none' ;
3 months ago | 0
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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
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 months ago | 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 months ago | 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 months ago | 1
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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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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
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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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 months ago | 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 months ago | 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 months ago | 0
Plotting a cartesian equation with an imaginary component of 0*1i
c = 4+1i*0 ; plot(real(c),imag(c),'*r')
5 months ago | 0
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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 months ago | 0
Interpolate MATLAB geoscatter/geoplot data to estimate average wind speeds in the Gulf of Mexico?
REad about scatteredInterpolant, griddata.
5 months ago | 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 months ago | 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 months ago | 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 months ago | 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 months ago | 0
Select images from a folder based on their similarity.
Read about ssim.
6 months ago | 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 months ago | 0
How can i calculate max correlation and time delay between two signals?
REad about crosscorr.
6 months ago | 0