Math 2.0

concept

Companion matrix

Summary

The companion matrix of a monic polynomial is a square matrix with ones just below the diagonal. Its last column holds the negated coefficients, and all other entries are zero. Its characteristic polynomial is the given polynomial.

What this node needs for W2
  • edge instance_of in: at least two examples (0 of 2)
  • edge not_instance_of in: at least one non-example (0 of 1)
  • edge specializes both: the more general notions and the special cases (0 of 1)

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Sources

  1. Web https://en.wikipedia.org/wiki/Companion_matrix, lead section

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