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Chenglin Li


Last seen: circa un mese fa |  Attivo dal 2021

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Domanda


Modifying the graphical viewpoint
The perspective of the graph I generated in matlab is I want the graphic to be displayed in the following viewpoint, how shou...

circa un mese fa | 1 risposta | 0

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Domanda


Getting information about tetrahedral elements after mesh encryption
I generated the base mesh with existing information including point and tetrahedral element information But now I marked some...

circa un mese fa | 0 risposte | 0

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Domanda


Enables local refinement at mesh markers
I have marked the surfaces in the mesh that I want to refine and the tetrahedra where the faces are located (the row indexes and...

3 mesi fa | 0 risposte | 0

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Domanda


Ensure that the normal phase of the normal is outward
I have taken normals for each boundary surface and after unitization they point to the outside of the geometry, but a small port...

3 mesi fa | 1 risposta | 0

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Add units to the chart
set(gca,'XTick',[10.5*10^9:0.2*10^9:11.5*10^9]) xlabel('Frequency (Hz)'); My code looks like this, but after running it my hor...

7 mesi fa | 0

Domanda


Add units to the chart
I want to add (x10^9) to the end of the horizontal coordinate, something like this, how should I program it？

7 mesi fa | 2 risposte | 0

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Domanda


Find discontinuous areas in geometry
There is an stl file of a concave surface, known the vertices and joint indexes of each face, as well as the normal vectors of e...

11 mesi fa | 0 risposte | 0

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Domanda


Find the corresponding matrix
My matrix A is going to be an n by 4 matrix, and B is going to be an m by 1 column matrix, and I want to find all the columns in...

11 mesi fa | 1 risposta | 0

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Domanda


Merge the four faces belonging to a tetrahedron
Hi,I have the element information of a mesh but the mesh is too sparse. I extract all the faces of the mesh element and appl...

circa un anno fa | 1 risposta | 0

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Generates normals with multiple three-point coordinates
Thank you very much. I wanted to generate a concave surface before, but the figure was not what I wanted. After your program tes...

circa un anno fa | 0

Domanda


Generates normals with multiple three-point coordinates
Hi！,I wanted to generate multiple three-dimensional coordinate normals in matlab and output them in fixed format to generate stl...

circa un anno fa | 2 risposte | 0

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Domanda


Using matlab to generate complex graphics stl file
Hi, I have been able to use matlab to generate cuboid stl files, but the stl files of concave bodies always make mistakes, becau...

oltre un anno fa | 0 risposte | 0

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Domanda


matlab reads the.geo file
Hello!I have a.geo file, I want to extract all the information in it in matlab, all the Point, Line, Line Loop, Plane Surface, h...

oltre un anno fa | 1 risposta | 0

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Domanda


matlab generated.stl file
Is there any program that can generate 3D graphics from matlab.stl file? I tried stlwrite.m and it seems that there are only two...

oltre un anno fa | 1 risposta | 0

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Domanda


Each time you run the program, a new.msh file is generated
I can generate a.msh file format file through this code filename=['lin','.msh'] ; fid=fopen(filename,'w'); But every time I r...

oltre un anno fa | 1 risposta | 0

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Domanda


Delete rows with the same data in the matrix
Let's say I have a matrix, and I want to get rid of the duplicates and keep them once, so I can use unique, but I want to get ri...

oltre un anno fa | 1 risposta | 0

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Domanda


Find the desired row in the matrix
Hello! I have a matrix, the first three rows are the x, y, and z coordinates of the points, the fourth row is the sum of the fir...

oltre un anno fa | 2 risposte | 0

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Domanda


How can I create a Delanay point in a cube?
I want to generate Mesh for a cube,but the points inside the cube can only be regularly distributed so far, and I want the surfa...

oltre un anno fa | 2 risposte | 0

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Error in 3D Delaunay Triangulation
HI Nathan, I'm making a concave mesh, and I have some problems,Is your 3D program open source？

oltre 2 anni fa | 0