10 ways to have a better conversation

By ted - 2021-01-14

Description

When your job hinges on how well you talk to people, you learn a lot about how to have conversations -- and that most of us don't converse very well. Celeste Headlee has worked as a radio host for dec ...

Summary

Orthogonal Matrix What is an Orthogonal Matrix?
In terms of geometry, orthogonal means that two vectors are perpendicular to each other.
Additionally you may select any two rows and find that the same property holds, as the transpose of an orthogonal matrix is itself an orthogonal matrix.
Because the transpose preserves the determinant, it is easy to show that the determinant of an orthogonal matrix must be equal to 1 or -1.

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