Submatrix

[Aron Sogor]

Hi,

First, I am new to gonum and it is a fantastic tool Thank You All!

Second I am new to gonum and so if there are better places to ask questions, please point me there.

I am wondering if there is a way or even a preferred way to accomplish the following task:

Define a matrix 4x4  [1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4] and define a another matrix of get a view to like a 2x2 matrix starting at x=1,y=1 that would give me [2,2,3,3] so if I change the values in the new view to [3,3,2,2] the original matrix turns into [1,1,1,1,2,3,3,2,3,2,2,3,4,4,4,4].

Getting the Raw []float64 sort of allows for this already AFAIK. And I did see long time ago conversations about submatrixes. 

Please any pointer is greatly appriciated!

Aron

[Brendan Tracey]

Slice should be the function you are looking for

https://pkg.go.dev/gonum.org/v1/gonum/mat#Dense.Slice

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