Answered
How to rotate a figure around an origin that is rotating?
Try this t = linspace(0,2*pi,20); [x,y] = pol2cart(t,1); n = 6; % number of small circles h = zeros(1,n)...

3 years ago | 0

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Answered
How can I convert a surface plot to an Occupancy map 3D?
What about isosurface? [x,y,z] = peaks(20); z = (z-min(z(:)))/(max(z(:))-min(z(:)))*19; % scale values inbetween [1 .. 19...

3 years ago | 0

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How to create volume out of surfaces?
Your object looks symmetrical. Try manually to create surface p1 = isosurface(...); p2 = isosurface(...); v1 = p1.vertices; ...

3 years ago | 0

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How can I fade Contour Lines on to the Binscatter plot?
You can extract edge of the region (yellow squares) using boundary [y,x] = im2bw(A); k = boundary(x,y); Then use i...

3 years ago | 0

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Plotting cone and hyperbola
Here is an example [T,R] = meshgrid(linspace(0,2*pi,20),0:5); [X,Y] = pol2cart(T,R); Z = R; % Y = 7.46/(x+5.10) -0.86 is the...

3 years ago | 1

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find the minimum distances of all points from neighboring points
Program is slow because of pre-allocation and calling pdist2 everytime try this D = pdist2(centroid,centroid); D = D + eye(si...

3 years ago | 0

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Answered
Conditionally execute a function inside a vector field while integrating with an ODE solver
Try to pass your condition inside ode function An example function dy = func1(t,x) tset = [10 20 30]; if any(abs(t-t...

3 years ago | 1

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How to plot streamlines for a fea unstructured mesh with given u,v velocities?
Use griddata to create monotonic data

3 years ago | 0

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Overlaying gradient patches in single plot.
See this % x_lo = [1000 ; 1000; 1600; 1600]; % x-limits for RED gradient % x_hi = [1400 ; 1400; 2000; 2000]; % x-limit...

3 years ago | 0

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Answered
Derivative calculator with central difference formula Find the volumetric thermal expansion coefficient for each temperature given in the table. Solve BY MATLAB
Or maybe gradient will be better aproach here. diff returns (n-1) points T = [291 296 305 309 311 316 322 328 331 ...

3 years ago | 0

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Hello everyone. Now I come across such a problem: given the coordinates of all points of the closed curve acbd, now I want to find all points of the curve ACB and save them. The code I write is as follows, but there are always mistakes. I
Here is your data looks like s = load('M0.mat'); [x,y] = deal(s.M(:,1),s.M(:,2)); plot(x,y)

3 years ago | 0

Answered
Zero Area Triangles in Delaunay Triangulation
What about initmesh? t = linspace(0,2*pi-0.1,20); % unclosed contour (without selfintersection) [x1,y1] = pol2cart(...

3 years ago | 0

Answered
Color gradient for graph in a for loop
Wha about this? x = [0:.2:10 nan]; y = sin(x); patch(x,y,y,'edgecolor','interp','linewidth',2) colorbar

3 years ago | 0

Answered
Area between two curves without intersection
Make sure curves have the same start and end xx = linspace(x1(1),x1(end),100); % new mesh y11 = interp1(x1,y1,xx); ...

3 years ago | 0

Answered
geodesic distances on a curved surface
Here is an example [x,y,z] = peaks(20); % surface % curve coordinates x1 = linspace(-3,2,20); y1 = linspace(-...

3 years ago | 0

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Answered
What values do I need to put in
What about this? x = 0:40; y = sin(x)./x; plot(x,y)

3 years ago | 0

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Extrapolation of potential values to higher order
scatteredInterpolant has extrapolation property. You can also interpolate the data

3 years ago | 0

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Divide the 3D surface into equal patches
Try arc length interpolation. Original link: LINK function main clc,clear % generate some data [x,y] = meshgrid(-1:0.4...

3 years ago | 0

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Answered
Matlab code for extract shape features from an image including circle and rectangle
Just binarize the image A = imread('5C54390E-80C8-47DD-9293-822E85D06145.jpeg'); A1 = im2bw(A); L = bwlabel(~A1); ...

3 years ago | 0

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Answered
Create 3D plot from 2D contour (length and radius)
See this example z = 0:.1:3; r = sin(z); t = linspace(0,2*pi,20); [T,R] = meshgrid(t,r); [~,Z] = meshgrid(t,z); [X,Y] = po...

3 years ago | 1

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Answered
Divide the 3D surface into equal patches
Try to interpolate in polar system. Find center of a circle clc,clear data = load('curve.txt'); x = data(:,1); y = data(...

3 years ago | 0

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Divide the 3D surface into equal patches
Try griddata to interpolate

3 years ago | 0

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Program to perform a reshape of an array
Use reshape without for loop M = reshape(W',4,[]);

3 years ago | 0

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plot n number of nodes, where the color of each node depends on some value eg. energy, using MATLAB
Use griddata

3 years ago | 0

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Surface generation with an external impact at particular point
See this [t,r] = meshgrid(0:10:360,0:0.2:5); [x,y] = pol2cart(t*pi/180,r); z = -90*x.^2.*y.^2; % remember about dot (.*) ...

3 years ago | 0

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Extracting information from 3D model - .stl file management on matlab
Try this link: Surface Curvature Can you just analyze edge length to find minimum/maximum distances?

3 years ago | 0

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Answered
how can i use one equation output values in another equation input
Try meshgrid [x,y] = meshgrid(freq,itime); plot(x,y)

3 years ago | 0

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How to find a common area between three graphs in same plot
Do you have polyxpoly? Try intersections if not

3 years ago | 0

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Answered
How to create an animation between 3 points
See this example x = 0:10; y = sin(x); for i = 1:lengh(x) plot(x(1:i),y(1:i)) pause(0.2) end

3 years ago | 0

Answered
Surface generation for material removal after impact of tool
See ths example clc,clear [t,r] = meshgrid(0:10:360,0:0.2:5); [x,y] = pol2cart(t*pi/180,r); z = sin(r)./r; z0 = 1; ...

3 years ago | 0

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