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I have a python project to do that related to building a mesh class that represents triangles.

(I am a bachelor student of mathematics in my first year, so all this material is pretty new to me)

I should get as an input two matrices:

*one which represents the coordinates of thenodes.

*one which represents the elements(triangles) using thenode numbers.

My problem is that I really don't know what it is node numbers. How do they numbered?

I have attached the file of the project

I really can't start doing it without understanding those words and what do the numbers in the matrices represent.

Thank you,

Thomas

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# Understanding some unfamiliar words

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