Answered
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...

1 year ago | 0

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Answered
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...

1 year ago | 0

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

1 year ago | 0

Answered
"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; ...

1 year ago | 1

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

1 year ago | 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(...

1 year ago | 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...

1 year ago | 0

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Answered
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...

1 year ago | 0

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

1 year ago | 0

Answered
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

1 year ago | 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)

1 year ago | 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

1 year ago | 0

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

1 year ago | 0

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

1 year ago | 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...

1 year ago | 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 ...

1 year ago | 0

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

1 year ago | 0

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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,[])

1 year ago | 1

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Answered
how to plot such figure in MATLAB?
Read about xticklabels

1 year ago | 0

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Answered
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...

1 year ago | 1

Answered
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);...

1 year ago | 1

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

1 year ago | 0

Answered
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 ...

1 year ago | 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

1 year ago | 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))

1 year ago | 0

Answered
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...

1 year ago | 0

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

1 year ago | 1

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Answered
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...

1 year ago | 0

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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...

1 year ago | 1

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Answered
Why doesn't it work ? Please help
dt = 0.01; t = 4; T = 0:dt:t; % First Quarter r1 = 0:dt:t/4 ; p1 = sin(pi.*r1) ; plot (r1,p1) % Define second Qua...

1 year ago | 0