Math Struct 01 Matrix Algebra
Math Struct 01 Matrix Algebra
Math Struct 01 Matrix Algebra
MATRIX ALGEBRA
Prepared by: Dr. Andres Winston C. Oreta
2 terms
+
3rd order determinant:
- - -
+ + + 6 terms
MINORS COFACTORS
C11 = (+1) x 2 = 2
ANSWERS
A=
Adj(A) = Cof(A)T
CHECK:
A A-1 = A-1 A = I
Appropriate for
2 x 2 and 3 x 3 systems
• https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices
• http://ee263.stanford.edu/notes/matrix-primer-lect2.pdf
• https://www.mathplanet.com/education/algebra-2/matrices
VIDEO TUTORIALS
• INTRO TO MATRICES 11.22 - https://www.youtube.com/watch?v=yRwQ7A6jVLk