Community Profile # Patrick

Active since 2014

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Question

Triangulated Surface Mesh Simplification
Can anyone please give me some ideas how to simplify triangulated surface mesh using matlab? Like the picture shown in <http://d...

mer än 8 år ago | 1 answer | 0

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Question

if i==any elements in M
Say I have a nX1 matrix M, i want to use condition, "if i==any elements in M", what should I type in Matlab?

mer än 8 år ago | 1 answer | 0

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Question

Sort every single row
How can I sort every single row of a matrix in ascending order? For example [16 2 3 13; 5 11 10 8] becomes...

mer än 8 år ago | 1 answer | 0

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Question

Shifting vertices along normal
I have 3D data with a triangular meshed surface. I've found the normal of each face. How can I shift the 3 vertices of one face ...

mer än 8 år ago | 1 answer | 0

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Question

Combine rows generated in for loop
I use for loop to generate a row matrix of 1x3 per loop. For every three consecutive rows generated, I want to calculate the mea...

mer än 8 år ago | 1 answer | 0

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Question

Move a point on a surface in 3D space
How can I move a point on a surface in 3D space along its normal vector by a certain distance using Matlab? Any help is apprecia...

mer än 8 år ago | 0 answers | 0

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Question

Find the common number in rows?
Say A = [1 2 3; 1 4 6; 7 8 1; 6 3 1] The common number in every row is 1. I want to output the r...

nästan 9 år ago | 3 answers | 0

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Question

How to generate different variables to store different sets of matrix?
Using for loop, 35 different matrices are generated in my codes. How can I generate 35 different variables to store them respect...

nästan 9 år ago | 1 answer | 0

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Question

How to form a matrix
I am using 'for loop' with variable 'i' to run something. i.e. for i = 1:100, .... Say, I want to record the value of i when it...

nästan 9 år ago | 1 answer | 0

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Question

delete matrix row with certain value
how can i remove the rows with a certain number say, 2?

nästan 9 år ago | 2 answers | 0

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Question

Find boundary vertice at openings
Can anyone tell me how to find the boundary vertice at the openings? Thanks!! <<http://www.mathworks.com/matlabcentral/answe...

nästan 9 år ago | 2 answers | 1

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Question

Find boundary vertice of 3D volume data
How can I find the boundary vertices of 3D volume data with 2 openings, the desired output should be two sets of boundary vertic...

nästan 9 år ago | 1 answer | 0

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Question

Compare two matrix and delete the same rows
Say I have A= [1 2 3, 4 5 6, 6 7 8] and B= [4 5 7, 1 2 3, 7 6 4, 6 7 8]. How can I delete the rows in B that are the same with ...

nästan 9 år ago | 3 answers | 1

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Question

delete some matrix elements
I want to delete the elements that are larger than a certain value, then the next element will replace the deleted one(shift for...

nästan 9 år ago | 2 answers | 0

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Question

subtract different column by different number
I have a 1000x3 matrix. I want to subtract different column from different number. For example, the first column elements will a...

ungefär 9 år ago | 1 answer | 0