Questions tagged [mapping-strategy]

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10
votes
1answer
579 views

How to assemble and solve a matrix system in parallel from values generated in different processors?

I am solving a multiscale problem using the Heterogeneous Multiscale Method (HMM). Essentially, my particular procedure uses the following iterative process: Solve many local matrix systems. ...
4
votes
2answers
174 views

What mapping strategy should I use when solving many large linear systems of equations?

I am working on a problem that involves solving many (thousands) of distinct linear systems of equations, each with thousands of variables. Let's assume that the size of each matrix is exactly the ...
3
votes
0answers
80 views

Conservative field mapping between two topologically disconnected surface meshes

Some background: the Front-Tracking method uses a triangular surface mesh to describe the boundary between two immiscible fluids. To deal with the breakup and coalescence of the fluid interface, ...
2
votes
0answers
120 views

Clustering similar words and mapping to numbers in Python

I'm familiar with kmeans to cluster data points, but not text.. So I have one column of words in cvs format, which I want to cluster those which have similar word or more, and then mapping those ...
1
vote
2answers
148 views

Grid mapping from Tchebyshev

I am using Tchebyshev discretization to solve a system of PDEs. Usually, I map the Tchebyshev space($\xi$, from -1 to 1) to physical space ($x$, from 0 to L) using $$x = (\xi +1)*L/2$$ Now, I also ...