19. norma oktika rini (06081181320021)
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Transcript of 19. norma oktika rini (06081181320021)
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MATRIKSby: Norma Oktika Rini
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Daftar Isi
pengertian Matriks_ jenis-jenis Matriks_ operasi pada Matriks_ determinan Matriks_ Invers Matriks_
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Pengertian Matriks_
Matriks merupakan susunan bilangan dalam bentuk baris dan kolom.
Bentuk umum suatu matriks:
A =a bc d
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a. Matriks Persegi
S =
b. Matriks BarisL = [ 2 1 5]
Jenis-jenis Matriks_
3 16 2
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c. Matriks Kolom
C =
d. Matriks Identitas
I =
314
1 00 1
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e. Matriks Transpose(ditulis atau )
A = = 3 21 04 1
3 1 42 0 1
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f. Matriks Segitiga Atas
A =
g. Matriks Segitiga Bawah
A =
3 2 10 4 20 0 5
3 0 01 4 02 7 5
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a. Penjumlahan dan penguurangan
+ =
b. Perkalian
x =
Operasi pada Matriks_
a bc d
e fg h
a+e b+fc+g d+h
a bc d
e fg h
ae+bg af+bhce+dg cf+dh
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1. Untuk Matriks ordo 2 x 2Determinan dari Matriks A =adalah det(A) = ad – bc
2. Untuk Matriks ordo 3 x 3 determinan dari Matriks B =adalah (aei + bfg + cdh) – (gec + hfa + idb)
Determinan Matriks_
a bc d
a b cd e fg h i
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Jika A =
maka invers Matriks A adalah
Invers Matriks_a bc d
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Dhoruri, Atmini, dkk. 2010. Sukses Ujian Matematika. Bogor: Yudhistira.
Referensi_
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Big Thanks to:
Allah Swt.www.fppt.info
www.ipietoon.comYou
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Follow me and be my friends on:/tiffanyagus/rininorininocaa.cfSimplicity,
This is me!
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미안합니다… 고마워요