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Tugas 1 Komputasi Numerik
Nama : Inne Puspita Sari
NPM : 1406608076
Regresi Linear :
y = ax2 + bx + c
y - ax2 - bx – c = 0
S (y - ax2 - bx – c) = 0
– 2 = 0
a =
a = –
= 2(y - ax2 - bx – c)(-x2)
ax4 + bx3 + cx2 = xy2
a 4+b 3+c 2= 2
b =
b = –
= 2(y - ax2 - bx – c)(-x)
ax3 + bx2 + cx = xy2
a 3+b 2+c =
c =
c = –
= 2(y - ax2 - bx – c)(-1)
ax2 + bx + c = y
a 2+b + c =
4 3 2 a 2
3 2 b =
2 N c
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Proses Dalam Excell :
Output :
A : 3
B : 2
C : 1
Persamaan : y = 3x2 + 2x + 1s