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Rangkaian Orde Satu - Pengertian dan Persamaan Diferensial Orde Satu
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Pengantar Analisis Rangkaian
Solusi Umum Persamaan Orde Satu
ay b dt
dy
adt
a
b y
dy =−
−
a
b a y dt
dy
ay b dt
dy =− +
Susun ulang untuk memudahkan mencari solusi
( )
( )
t
t
yt
yt
a dt
a
b y
dy
0 0
( )
()
t t
yt
yt
at a
b y 0 0
ln =−
−
adt
a
b y
dy =−
−
Dari hasil sebelumnya
Integrasi kedua sisi
at at e e
a
b y t
a
b y t − =
−
0
0
0
0
ln at at
a
b yt
a
b y t
=− +
a
b e a
b yt e yt
at at +
− 0
0
Dari hasil sebelumnya
Menggunakan fungsi eksponenial pada kedua sisi
a
b e a
b yt e yt
at at +
− 0
0
Untuk t 0 =0 maka
− yt y yey
at 0
Menentukan a dan b dari syarat batas (boundary condition)
Solusi umum persamaan diferesial
Keadaan y mapan atau saat t →maka
a
b y =
diperoleh
av b dt
dv
− vt vvev
at 0
a
b
di