Respondida
How can I 3d interpolate a function f: R^3 --> R^3 ?
Read about scatteredInterpolant and griddata

más de 3 años hace | 1

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I am MATLAB beginner, and I got stuck because of some error. Not enough input arguments. Error in Function1 (line 15) R1 = imfilter(InputImg, H, 'symmetric');
It looks like you are running the code/ function striaght away using hit button or F5 or by calling the function. This is not th...

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

más de 3 años hace | 0

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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...

más de 3 años hace | 0

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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...

más de 3 años hace | 0

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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; ...

más de 3 años hace | 1

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

más de 3 años hace | 0

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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(...

más de 3 años hace | 0

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

más de 3 años hace | 0

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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

más de 3 años hace | 0

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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)

más de 3 años hace | 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.

más de 3 años hace | 1

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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...

más de 3 años hace | 0

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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 ...

más de 3 años hace | 0

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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,[])

más de 3 años hace | 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...

más de 3 años hace | 1

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

más de 3 años hace | 0

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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 ...

más de 3 años hace | 1

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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

más de 3 años hace | 0

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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))

más de 3 años hace | 0

Respondida
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...

más de 3 años hace | 0

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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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