The 1-minute secret to forming a new habit

By ted - 2021-01-10

Description

You know how resolutions often go: you set a goal and start strong ... then the motivation runs out and feelings of frustration and shame creep in. The struggle is real -- but what if it doesn't have ...

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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