The determinant of a 2-by-2 matrix

Formula

The determinant of a 2-by-2  matrix formula
detA
The determinant of a 2-by-2 matrix A
a
vector a
b
vector b
c
vector c
d
vector d

Formula description

In linear algebra, the determinant is a value associated with a square matrix. It can be computed from the entries of the matrix by a specific arithmetic expression, while other ways to determine its value exist as well.

Calculator (how to use calculator?)

The determinant of a 2-by-2  matrix formula
a
b
c
d
detA
Precision

Formula code








References

  1. wikipedia:Determinant of a 2-by-2 matrices.

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