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LIN Hongbin


Active since 2015

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how to create a diagonal matrix with the semibandwidth of 4
how to create a matrix like this: <</matlabcentral/answers/uploaded_files/66612/%E6%8D%95%E8%8E%B7.GIF>>

bijna 8 jaar ago | 1 answer | 0

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answer

Answered
About PID program block issue of simulink
I have already solved it,thanks.

ongeveer 8 jaar ago | 0

Question


About PID program block issue of simulink
This is a simple step response in simulink： <</matlabcentral/answers/uploaded_files/63330/1.png>> The parameters of the...

ongeveer 8 jaar ago | 1 answer | 0

1

answer

Answered
Delaunay problem of a concave object
Hello,Yose. Have you solved the problem of meshing the 3d concave model?

meer dan 8 jaar ago | 0

Question


How to triangulate 3D concave model?
I've tried to mesh 3D concave model with Delaunay Triangulation but the shape of the model has changed.Any other ways to get be...

meer dan 8 jaar ago | 0 answers | 0

0

answers

Question


How to import .asc file into matlab as pointcloud data?
How to import .asc file into matlab as pointcloud data?

meer dan 8 jaar ago | 1 answer | 0

1

answer

Question


In the simulation of the control system with a observer,there will be a error .
In the simulation of the control system with a observer,there will be a error .How to solve it? <</matlabcentral/answers/uplo...

meer dan 8 jaar ago | 0 answers | 0

0

answers

Question


How to output STL format flie
I have a point matrix p whose size is 3x98065;the triangulation matrix t whose size is 3x196124 ; How to output the data as a S...

meer dan 8 jaar ago | 1 answer | 0

1

answer

Question


How to input a 294192x294192 array?
I want to get a 294192x294192 zero array:M=zeros(294192,294192) However I got error as follows: Requested 294192x294192 (644...

meer dan 8 jaar ago | 1 answer | 0

1

answer

Question


How to do offset of a STL model when the face normal are very similar to each other?
<</matlabcentral/answers/uploaded_files/47102/%E9%A1%B6%E7%82%B9%E4%B8%8E%E9%9D%A2%E6%B3%95%E5%90%91.PNG>> When the face norm...

meer dan 8 jaar ago | 0 answers | 0

0

answers

Question


cylinder model rebuilt with delaunay triangulation and freeboundary
I got a 3D stl cylinder model,I import the stl file into matlab,and got a matrix p of all the coordinates of the model vertex.A...

bijna 9 jaar ago | 0 answers | 0

0

answers

Question


how to get the surface patch after delaunay triangulation
I have a set of point cloud ,after delaunay triangulated these points,I got a connectivity of all the points.What can　I do to ge...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question


How to translate 3d-scanned point clouds to .stl format
I scanned a piece with a 3D scanner,and got a set of point clouds.Now I want to triangulate the point cloud with only the patche...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question


How to do triangulation after insert a new point
As is shown in the image,a new point D(0.5,0.5,0) is interpolated on edge OB.As result,the 2 original triangles are divided into...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question


after inserting a point on the edge of a triangle,how to generate new triangles
I drew a cubic which was imported into matlabt.Than,I got p(the coordinate of all the vertexes or points),tnorm(all the face nor...

bijna 9 jaar ago | 0 answers | 0

0

answers

Question


how to check the length of stl model edge in matlab
I drew a cubic whose lengeh is 1mm formating stl.After importing the stl model into matlab,I got p(the coordinate of all the ver...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question


How to call .dll file in Geomagic Studio into matlab
How to call .dll file in Geomagic Studio into matlab

bijna 9 jaar ago | 1 answer | 0

1

answer

Question


Any good way to get an intersection of 3planes?
I have three faces,but their face normals are very simlar to each other,and they are almostly paralleled to each other. a=[-0.9...

bijna 9 jaar ago | 0 answers | 0

0

answers

Question


how to calculate the accurate inversion value of a matrix whose row decimal are very similar to each
a=[-0.996194973121394 -4.18489862633171e-06 -0.0871525989867842; -0.996194973121394 -4.18489862656107e-06 -0.087152598986...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question


How to interpolate 3D plane by a three-dimensional facenormal and random pointclouds?
ptCloud = pointCloud(3*rand(1000,3,'single')); %create 1000 random points in a 1x1x1 box Vertex=[0,0,0]; ...

bijna 9 jaar ago | 0 answers | 0

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answers