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Pertemuan 11 : Pengintegralan Numerik - Matematika IPB

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<strong>Pertemuan</strong> <strong>11</strong> : <strong>Pengintegralan</strong> <strong>Numerik</strong> 7<br />

Definisi<br />

• Andaikan bahwa a = x 0 < x 1 < ... < x M = b. Suatu<br />

formula dalam bentuk<br />

[<br />

M<br />

<br />

k0<br />

k k 0 0 1 1<br />

Q f ] w f ( x ) w f ( x ) w f ( x ) <br />

w<br />

b<br />

<br />

a<br />

f<br />

( x)<br />

dx Q[<br />

f ] E[<br />

f<br />

• disebut suatu pengintegralan numerik atau rumus<br />

kuadratur.<br />

• suku E[f] disebut kesalahan akibat pemangkasan<br />

selama proses interpolasi.<br />

Semester Pendek 2012 Departemen <strong>Matematika</strong> FMIPA <strong>IPB</strong><br />

]<br />

M<br />

f<br />

( x<br />

M<br />

)

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