답변 있음
how to export two mat.files into a single excel sheet?
Read all your files using load Write all the data using writematrix

2년 초과 전 | 0

답변 있음
Plotting letter "D" on 3D space
3D letter D r = [1 1.5 1.5 1 1]; % radius of a circles t = [-20:10:200 -20]'*pi/180; % closed contour [T...

2년 초과 전 | 0

답변 있음
How to restart a for loop when specific condition is met?
Place for loop inside while loop k = 0; while k < 5 for i = 1:10 if i > 5 k = k + 1; b...

2년 초과 전 | 1

| 수락됨

답변 있음
extracting sub matrix from a cell array
Try data1 = data{1}(:,3:8)

2년 초과 전 | 1

| 수락됨

답변 있음
how can I plot a matrix against two other ones? (need to a matrix 3d plotting )
Use surf [x,y,z] = peaks(30); h = surf(x,y,z); for i = 1:20 z = z + 0.5*rand(30); set(h,'zdata',z) pause(0.5) ...

2년 초과 전 | 0

답변 있음
Finding the intersection points between two curves
I'd try fsolve for solving Read help carefully: fplot(f,[0 10])

2년 초과 전 | 1

답변 있음
isosurface with wall thickness
What abouy simply to make thicker a lines? [x,y,z] = peaks(30); surf(x,y,z,'linewidth',3)

2년 초과 전 | 0

답변 있음
how do i continuously calculate an output with an increasing input of angles ?
You need to make wi vector the same size as wj and wk wi = [-w_n+theta*0 0 0]; % i component of W

2년 초과 전 | 0

| 수락됨

답변 있음
How to get the curvature of a meshed surface?
Here are some ideas: Simple way: Precise way:

2년 초과 전 | 1

| 수락됨

답변 있음
Change the value of independent variables to solve the dependent variable equation
Use function handle x = 0:.1:10; f = @(a) sin(a*x); plot(x,f(2),'r') line(x,f(5))

2년 초과 전 | 0

| 수락됨

답변 있음
Detecting circles in noisy images with high intensity variations (must work for all cases)
Is the circle the only figure of closed form? A0 = imread('Sem Título.png'); A1 = im2bw(A0); A2 = imdilate(A1,ones(10)); ...

2년 초과 전 | 0

답변 있음
Detecting black blob (mouse) in .tif frames
Here is the siple script that does the job A0 = imread('img1.png'); A1 = im2bw(A0,0.2); montage({A0 A1})

2년 초과 전 | 0

답변 있음
Plot lines from FEM (PDE) stress vectors
% generata data n = 20; % number of points x = rand(20,1); y = rand(20,1); u = rand(20,1); v = rand...

2년 초과 전 | 0

| 수락됨

답변 있음
Can this loop containing different indices be vectorized using implicit expansion (or otherwise)?
Simply remove keywords for and end. Don't forget about element wise operator (dot)

2년 초과 전 | 0

답변 있음
Plot a moving wheel in the 3D space
% create model t = linspace(0,2*pi,10); [x,y] = pol2cart(t,1); X = [y*0;y*0;y*0+2;y*0+2]; Y = [y*0;y;y;y*0]; Z = [x*0;x...

거의 3년 전 | 0

답변 있음
How to Draw an ellipsoid between two 3d coordinates
Use rotate to rotate the ellipsoid

거의 3년 전 | 0

답변 있음
FEM : plotting stress field in each T3 element
Here is an example: [x,y] = meshgrid(-2:0.2:2); % x,y range z = x.^2+y.^2-4; % z value h0 ...

거의 3년 전 | 0

답변 있음
Specifying condition criteria for while loop iteration
Did you try to assume the sign of the function value? Derivative can be positive and negative regardless of the value Maybe s...

거의 3년 전 | 0

답변 있음
How to get the volume and surface area of separated isosurfaces
Use bwlabel to separate each blob

거의 3년 전 | 0

답변 있음
How to find opposing triangle pairs in triangulated objects?
Here is an idea or finding neigbour points; % some data x0 = rand(40,1); y0 = rand(40,1); s1 = max(max(x0)-min(x0),max(y...

거의 3년 전 | 0

답변 있음
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','.')

거의 3년 전 | 0

| 수락됨

답변 있음
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...

거의 3년 전 | 0

답변 있음
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...

거의 3년 전 | 0

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

거의 3년 전 | 0

| 수락됨

답변 있음
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)...

거의 3년 전 | 1

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

거의 3년 전 | 0

답변 있음
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...

거의 3년 전 | 0

답변 있음
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)

거의 3년 전 | 0

답변 있음
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,...

거의 3년 전 | 1

답변 있음
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...

거의 3년 전 | 0