Plot Heatmap from distinct coordinates and data array of floats
It depends on your data whether it is structured or unstructured. Let x, y, z be your column data vectors. %%structured xi =...

12 months ago | 0

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flipping a maximum point to become a minimum of the same size
You can chnage the sign right? plot(xup,-yup)

12 months ago | 0

Find the velocity of a travelling wave like behaviour
I will suggest to use the function InterX. N = 1000 ; x = linspace(0,200,N) ; y = rand(size(x)) ; L1 = [x;y] ; L2 = [...

12 months ago | 0

cropping netcdf files using geo-coordinates
Why don't you use interp2. Let X, Y and Z be your original data. Xi, Yi is your coordinates for which you want to crop/ extrac...

12 months ago | 0

Why the given codes give errors for vector bounds but runs well for scalar bounds?
Use this function instead of your bbo3. function [BestX,fmin]=bbo3(obj,dim,lb,ub,iter,pop1) %% Problem Definition CostFunc...

12 months ago | 0

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Not able to figure out the way to deal with large vectors
n=-10:1:10; c1 = 0 ; c2 = 0 ; E = zeros([],1) ; O = zeros([],1) ; for i = 1:length(n) %% Get your x(n) if mod(x(...

1 year ago | 0

How to integrate a vector over a surface of x,y-coordinate vectors
You need to find out whether your data is structured is unstructured. Depedning on that, you need to proceed. %%structured x...

1 year ago | 0

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Why are symbolic expressions not exactly symbolic?
It is suggested to use live script. syms x f = taylor(exp(x)) pretty(f)

1 year ago | 1

how to put an scale for arrow size in quiver plot for wind vector over map?
[X,Y,Z] = peaks(50) ; [u,v] = gradient(Z) ; w = sqrt(u.^2+v.^2) ; figure hold on h1 = pcolor(X,Y,w) ; h2 = quiver(X,Y,...

1 year ago | 0

How to find the range of a contour along each dimension of a plane with least possible error?
C = contour(x,log2(y),Data,[-99,1],'k'); x = C(1,:) ; y = C(2,:) ; iwant = [min(x) min(y) ; max(x) min(y) ; ...

1 year ago | 0

Image Processing Dimension Error
This line: point_indices = [1, 2; 2, 3; 3, 4; 4, 1; 5, 6; 6, 7; 7, 8; 8, 5]; should have indices/ values which should be less ...

1 year ago | 0

Delete frames from video
vidObj = VideoReader('Motion.avi'); % Read video frames until the end of the file is reached by using the readFrame method. vi...

1 year ago | 0

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fill missing value in array
x = 1:100 ; y = rand(size(x)) ; % Introduce NaN's randomly idx = randperm(100,20) ; y0 = y ; y(idx) = NaN ; % Use in...

1 year ago | 0

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How to save the output of loop function with different names?
for i = 1:10 fname = strcat('plot_',num2str(i),'.png') ; plot(rand(1,10)) saveas(gcf,fname) end

1 year ago | 1

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spatial and temporal mean of ERA5 monthly data

1 year ago | 0

How can I make this code more efficient?
Read abput preallocating/ initializing the variables. nx1=1216; nye=160; dx=1.973684; dy=1.875; nm=0; t1 = tic ; % See th...

1 year ago | 0

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using quiver to create a vector field for an equation with only 1 variable.
alpha = rand ; beta = rand ; p = rand ; q = rand ; y = linspace(0,1) ; yprime = alpha*y - beta*y.^2-(((y.^3)*p)./((y.^3)+q)...

1 year ago | 0

Sum values on the maximum number of consecutive days
load Sample.mat ; R_3 = R_3' ; n = 1:length(R_3) ; ii = zeros(size(R_3)); jj = R_3 > 1 ; ii(strfind([0,jj(:)'],[0 1])) =...

1 year ago | 0

How to determine phase shift?

1 year ago | 0

Multivariate B-spline interpolation

1 year ago | 0

How to plot single colorful line?
x=[1 2 3 4 5 6 ]; y=[1 2 3 4 5 6 ]; z = zeros(size(x)); col = x; % This is the color, vary with x in this case. surface([x;...

1 year ago | 1

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Iteration through column multiple times
figure hold on for i = 1:16 cplot = squeeze(C(i,:,:)) ; pcolor(xMap+i,yMap,cplot) ; %<--- you need to think of xMap...

1 year ago | 0

How to set validation for LSTM Model
options= trainingOptions('adam',... ExecutionEnvironment = 'auto',... MaxEpochs = Epoch,... MiniBatchSize = mini...

1 year ago | 0

A line is not appearing when I graph
D=0.05; %m V_Ice=10; %m^3 T_mi=24;%C Ts=0;%C f_vi=0.8;% N=10; %Tubes L=1.55 ;%m m_dot=linspace(0.005,0.05); %kg/s % <--...

1 year ago | 0

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Plot data and keep the maximum values

1 year ago | 1

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A unknown bug on matrix
This is not bug....don't use the sqaure braces. If you are using square braces, than space is considered as a different eleme...

1 year ago | 0

I want to read 2 nc files which containing soil moisture as variable, but when readin the given code ,it showing some error
file1= 'path of the file1' ; % path with ame of file file2='path of file2' ; % path with name of file sm1= ncread(file1,'sm'...

1 year ago | 0

How to do a Taylor expansion with a matrix
syms x f = exp(x) T = taylor(f) In place of x substitue each value of G.

1 year ago | 0

How to calculate and plot this pcolor plot?
A = rand(1100,800,764) ; mu = mean(A,3) ; sigma = std(A,[],3) ; idx = mu >= sigma/sqrt(764) ; h = pcolor(idx) ; h.EdgeColo...

1 year ago | 1

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