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Aproximarea functionalelor liniare

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Introducere<br />

Derivare numerică<br />

Integrare numerică<br />

Cuadraturi adaptive<br />

Cuadraturi . . .<br />

Cuadraturi . . .<br />

Formule . . .<br />

Home Page<br />

Title Page<br />

◭◭ ◮◮<br />

◭ ◮<br />

Page 34 of 58<br />

Go Back<br />

Full Screen<br />

Close<br />

Quit<br />

b<br />

Cu aceste notat¸ii regula trapezului devine<br />

a<br />

f(x)dx = hk<br />

2<br />

µk ∈ (a, b).<br />

⎡<br />

⎣f(a) + f(b) + 2<br />

2n−1 −1<br />

i=1<br />

⎤<br />

f(a + ihk) ⎦ −<br />

b − a<br />

12 h2 k f ′′ (µk)<br />

(25)

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