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darova


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Answered
vector of line chart objects returned by plot - problem with modifying markers,...
Try this x = 0:10; y = sin(x); h(1) = plot(x,y,'r'); h(2) = line(x,y+.5); set(h(2),'marker','.')

ongeveer een uur ago | 0

Answered
maps and isolines on the map of the continents
What about this? t = 0:0.02:2*pi; % angle r = 1 + 0.1*cos(10*t); % radius [x0,y0] = pol2cart(t,r); % calcu...

ongeveer 2 uur ago | 0

Answered
Solve a complex differential equation over different intervals
Here are some notes: there is no need of creating special mesh. You have 3d order diff equation so you need 3 yinit yinit = [p...

ongeveer 23 uur ago | 0

Answered
Transform a Numpy array of a mask
Assume A is your 3D matrix (1024x1024x3) A1 = A(:,:,1); % extract first matrix

ongeveer 24 uur ago | 0

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Answered
Extracting points from polyshape
See this link about curve interpolation: LINK Saving the data as a picture is a good idea too: try print x = 0:20; y = sin(x)...

ongeveer 24 uur ago | 0

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

ongeveer 2 maanden 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...

ongeveer 2 maanden 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)

ongeveer 2 maanden 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,...

ongeveer 2 maanden 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...

ongeveer 2 maanden 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)...

ongeveer 2 maanden 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...

ongeveer 2 maanden 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; ...

ongeveer 2 maanden 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...

ongeveer 2 maanden 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...

ongeveer 2 maanden 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...

ongeveer 2 maanden 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...

ongeveer 2 maanden ago | 1

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

ongeveer 2 maanden 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...

ongeveer 2 maanden 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 ...

ongeveer 2 maanden 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(...

ongeveer 2 maanden 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

ongeveer 2 maanden 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); ...

ongeveer 2 maanden 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(-...

ongeveer 2 maanden 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)

ongeveer 2 maanden ago | 0

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

ongeveer 2 maanden 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...

ongeveer 2 maanden 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); ...

ongeveer 2 maanden 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...

ongeveer 2 maanden ago | 1

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