Determinant

Creator
Creator
Seonglae Cho
Created
Created
2020 Oct 4 12:6
Editor
Edited
Edited
2024 Oct 21 13:43
Refs

행렬식

Square Matrix 에 하나의 수를 대응
The term "determinant" existed before "matrix," and Joseph Sylvester named it "matrix" in the sense that it gives birth to a determinant.

Notation of determinant

detA,A\det A, |A|

2x2

abcd=adbc\begin{vmatrix} a & b \\ c & d \end{vmatrix} = ad - bc

3x3

abcdefghi=aei+bfg+cdhcegbdiafh\begin{vmatrix} a & b & c \\ d & e & f \\ g & h & i \end{vmatrix} = aei + bfg + cdh - ceg - bdi - afh
Determinant Usages
 
 
 
 
 
 

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