Matrix Calculus ααΊααΆαααααα·ααΈααααΆαααααα·ααΈαα
αα
α»ααααααααααα’αααα»ααααααΆααααααα·ααααα·ααΆαααα·ααα·ααααΆαααααΆαααααααααΉαααα αααΆααααΈα αα·ααααΆααααΈααα α»αα·ααΆααααααααΆααα
ααα½ααα·α αα·ααααα»αααααΆαα
ααΆβα’αΆα
βα’αα»ααααβααΆαβααααΆβααα·ααα·ααααΆβαααααααΆαβααΆααα’ααβααΎβααα ααα·α
ααα (αααΆααααΈαβααα α 1) αα·αβαααΆααααΈαβααΈ 2 αα
5 αα·ααΆαααα
αααα’αΆα
αα·α α¬αααα»αααααΆα ααΆαααααα»αααααα·ααααα·ααΆαααααααΆ αα·ααααα»ααααΆααααΈαα
Matrix Calculus ααααΆααααααΉααααα’αα»ααααΆαα±ααα’αααααααΎααααα·ααααα·ααΆαααΆαααααα»ααα
αααα»αααΆααα·α α¬αααα»αααΆααααα»αααααΆαα
ααΌα
αααααααααααα α»αααααα·αααΎααΆααα·αααααΆαα α αΎαααααααααααααα·ααααα·ααΆαααΊαααα»αααααΆαα
ααΎααααΈααααΎαααΆαααΎα
ααα½ααα»ααααα·α
Matrix Calculus ααΆαααΆαααΆαααΌααΆαααααα»ααααααα·ααΈα
αααααααααααα½αααααααααΆαααααΆααααΈαααΆαααΌα
ααΆααααααα
- αα·ααΆααααααααΆααααΈαααΈ 1 ααα 5
- ααααααααα»αα’αα·ααααΆαααααΆααααΈααα·α
ααΆα 3200
- ααααααα’αα·ααααΆαααα·ααΆααααααΆααααΈα = 50
ααααα·ααααα·ααΆααααα’αΆα
ααΆαααΊααΆαααααααΆαααααα·ααα·ααααΆ αα·αααααα·ααααα·ααΆααααΆααααΈαααΆααααααα
* = αααΆααααΈαααα·ααα
/ = ααΆααααα
αααααααΆααααΈαααΈα α¬αααααααΆααααΈααααα
αααΆα
^ = α’αααΆα
αααααΆααααΈααα½αα
+= ααΌααααΆααααΈα
- = αααΆααααΈααα»αααααΆ
ααα = ααααα
ααααΆ = αααΆααααΈα transpose
Inv = αααΆααααΈααααα
αααΆα
Adj = αααΆααααΈαααΆααααααΆα
tr(A) = ααΆααααααΆααααΈα A
α―αααΆ = α―αααΆαααΆααααΈα
α
αααΆααααααΆαα = α
αααΆααααααΆαααααΆααααΈα
Erf = ααα α»ααα»αααΆα erf
REF = αααΆααααΈααααα»ααααααα Row Echelon (αααααααααΆααααααααα)
ααααα·ααααα·ααΆααααΆααααΈαααΆααααααααΊααααΎαααΆαααααΆαα½ααααα Pro ααα»αααααα
Inv+ = Moore - Penrose pseudo αααα
αααΆα
Eigen = αααΆααααΈα eigenvalues
Evect = αααΆααααΈα eigenvectors
Vsing = αααααα―ααα
αααααΆααααΈα S
Uvect = αααΆααααΈαα―ααα
ααααα·α
αααααΆαααααα U
Vvect = ααα·α
αααααΆαααααΆα αααΆααααΈα V
Dsum = αααΆααααΈα ααααΌαααααΆαα
ααΆααααα
= ααα·αααααΆααααα
L(L*L') = αααΆααααΈαααααΈαααααΆαααααα L ααΌα
αααα A = L*L'
Q(Q*R) = αααΆααααΈαααΆαααααα Q ααΌα
αααα A = Q*R
R(Q*R) = αααΆααααΈα Wright R so thar A = Q*R
Jordan = αααΆααααΈα Jordan J
||A|| = ααααααΆα Frobenius
e^A = αα·ααααααααααααΆααααΈα A
β A = αααΆααααΈαα«αααΆααα
ααααα·αααΎαααΆααααΈαα’αα»ααααΆα ααΆααα’αΆα
ααααΆα’αα»αααααααΆααααΈαααααα αααα’αα»ααααααΊααΆααααααα½ααααααΆαααΈααα·αααα α§ααΆα ααα (A = αααΆααααΈα)α
lne (A), log (A), sin (A) cos (A), tan (A), sinh (A), arcsin (A), arctanh (A)
ααΆαβααα‘αΎαααααβαα
21 ααΈα αΆ 2024