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darova


Last seen: 3 days ago
1,491 total contributions since 2019

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Answered
How to create membership functions matlab in triangular form?
Use sine wave x = 0:pi/2:20; y = sin(x); plot(x,y)

3 days ago | 0

Answered
Draw arc with specified angle difference
Wha about this representation? s = load('data.mat'); t = linspace(0,1,20)*pi/180; % angle array [X,Y,Z] = deal( ze...

3 days ago | 0

Answered
How to show two axis on a plot only where i want them
try this yticks h = plot(0:10,sin(0:10)); yy = 0:0.2:1; [x,y] = ndgrid([0 10],yy); line(x,y) yticks(yy)

3 days ago | 0

Answered
Volume of a solid of revolution for a cross section by points
Looks like simple ellipsoid. Try alphaShape n1 = 50; % circle points n2 = 10; % number of circles [x,...

3 days ago | 0

Answered
Generate distinct geometric shapes by using radius ?
Here is ax example t = linspace(0,2*pi,4); % triangle [x,y] = pol2cart(t,30); % cartesian coordinates % move tria...

4 days ago | 0

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)...

4 days 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...

4 days ago | 0

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

5 days ago | 0

Answered
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...

7 days ago | 0

Answered
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...

7 days ago | 0

Answered
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...

7 days 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...

7 days ago | 1

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

7 days ago | 0

Answered
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...

7 days 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 ...

11 days ago | 0

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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(...

11 days 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

11 days 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); ...

12 days 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(-...

13 days 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)

14 days ago | 0

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

14 days ago | 0

Answered
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...

14 days 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); ...

16 days 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...

16 days 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(...

16 days ago | 0

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

17 days ago | 0

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

17 days ago | 0

Answered
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 (.*) ...

17 days ago | 0

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