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How can I display the variables in .nc files?
Try giving the extension. F='Total_Chl.nc' ncdisp(F)

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How to plot in 2D this equation?
x0 = linspace(-5,5,200); y0 = x0; n=10;a=0.1; w0=0.01;m=0; [x0,y0] = meshgrid(x0,y0) ; r=(sqrt(x0.^2 +y0.^2)); f = @(x0...

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Multiple_independant variables on X-axis bottom
plot(1:3,rand(1,3)) xticks([1 2 3]) str = {sprintf('1\\newlineOne\\newlineOkati') sprintf('2\\newlineTwo\\newlineRendu') sprin...

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Merging Date and time
T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1361583/LI7500_eddypro_LP_2023_JFM_full_output_2023...

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"griddata" results in much smaller values than original data
data=importdata('manila.dat'); lon=data(:,2); lat=data(:,3); elev=data(:,4); xr = 118.7:0.2:121; yr = 12.4:0.2:20.7; ...

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Is there a way to append all arrays nested in a table without looping?
D = table2array(T.d)

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How can i display this user defined matrix made with a loop
n=4;m=5; matrix = zeros(n, m); fun_choice = 1; for k = 1:n for h = 1:m if fun_choice == 1 matrix(...

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how to draw a meshed geometry?
clc; clear all ; % Define the vertices of the triangle v1 = [0, 0]; v2 = [20, 0]; v3 = [30, -10]; v4 = [50, -10]; v5 = [50...

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How can I have US map's boundary points as pairs of longitude and latitude?
You may download the shape file of your required country here: https://www.diva-gis.org/ Else you can also have a look on inbu...

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How to skip warning
Try warning off... Any ways it is better not to load whole netcdf file at once.

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How to insert different size matrices into each row of a zero matrix
M = zeros(4) ; for i = 1:4 M(i,1:i) = rand(1,i) ; end M

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Express a matrix as product of elementary matrices
If you have a number, you can try to get its multiples or product of numbers using: x = 10; v = 2:x/2; c = v(mod(x,v)==0)

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How to pick neighborhoods points of a center point in rectangle or square form that make a matrix of like 5*5, 7*7, 7*5 etc.
Read about rangesearch, knnsearch

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Processing Timeseries of Cylinder Pressure Data
REad about functions: readtable, datetime, logical inequalitties and plot

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finding edge/ plot from image/ maze
You can use contour.

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How to save matrixes resulted from a running loop for further use in MATLAB
Let mxn be your matrix size and you are running loop ntimes. In this case you can save the matrix in the loop using the below co...

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how i can solve this problem? unrecognized function or variable to run my code
I think this is what you need. % Define the operating frequencies in Hz freqs = linspace(1e9, 6e9, 100); % 100 equally spaced ...

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how to convert cell to mat
REad about real and imag R = real(htemp); C = imag(htemp) ;

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2D array to 1D with rows appending after another row
A =[1 2 3 ; 4 5 6] ; iwant = reshape(A',1,[])

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how to plot such figure in MATLAB?
Read about xticklabels

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Vector plots by Quiver in MATLAB
[X,Y,Z] = peaks(100) ; [u,v] = gradient(Z) ; w = sqrt(u.^2+v.^2) ; pcolor(X,Y,w) ; shading interp ; colormap(jet); hol...

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How can I avoid using for loop in this functions
function y=Besselj_approx(n,z) i = n ; y=zeros(1,length(n)); y(1:end)=-z.^2/4+1; y(i>0) = 1./gamma(i(i>0)+1).*(z/2).^i(i>0);...

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How do I save a file in excel to matlab current folder?
T = readtable('myfile.xlsx') ; T

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Given x= rcos(𝛼) ; y=rsin(α); write MATLAB program to plot a circle of unit radius (r=1).
This is a simple homework... You should do it your self. Read about: Linspace for making angle between 0 to 360 i.e. 0 to 2*pi ...

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Plotting 3D by rotate 2D plot around y-axis
This might be useful. Checkout: https://in.mathworks.com/matlabcentral/communitycontests/contests/4/entries/4996

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Averaging data between two integer and corresponding column of a matrix
A = [1 2 3 4 5 6; 1.234 1.11 1.3 2.31 2.3 2.4]' ; idx = fix(A(:,2))==2 ; mean(A(idx,1))

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How to make a linear regression coefficient algorithm
x = 1:10 ; y = rand(1,10) ; [a,b] = linreg(x,y) ; % Check p = polyfit(x,y,1) ; [a b ; p(2) p(1)] function [alpha, b...

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How to create a custom colormap ("seismic" from python)
Refer this: https://in.mathworks.com/matlabcentral/fileexchange/45208-colorbrewer-attractive-and-distinctive-colormaps https:/...

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what is the meaning of this error? how to stop this error?
You have copied this function named 'Forward_model' under a script/ code whose file name is also same as the function i.e. Forwa...

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Keeping same colors for the same groups in different group scatter plot
P = rand(1000,2) ; x = P(:,1) ; y = P(:,2) ; idx = kmeans(P,4) ; figure h = gscatter(x,y,idx) ; % Get colors C = resha...

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