Metode Numerik 2 - Universitas Indonesia
Metode Numerik 2 - Universitas Indonesia
Metode Numerik 2 - Universitas Indonesia
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Contoh dan quadrature Gauss-Legendre untuk beberapa N terkecil:<br />
w<br />
N<br />
2<br />
3<br />
4<br />
5<br />
xi i<br />
±<br />
±<br />
±<br />
±<br />
±<br />
±<br />
x<br />
1<br />
∫ f(x)dx =<br />
N<br />
-1<br />
i=<br />
1<br />
0.577350269189626<br />
0.774596669241483<br />
0.000000000000000<br />
0.861136311594053<br />
0.339981043584856<br />
0.906179845938664<br />
0.538469310105683<br />
0.000000000000000<br />
∑<br />
w f(x )<br />
i<br />
i<br />
w<br />
1.000000000000000<br />
0.555555555555556<br />
0.888888888888889<br />
0.347854845137454<br />
0.652145154862546<br />
0.236926885056189<br />
0.478628670499367<br />
0.568888888888889<br />
97