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Conjuntos convexos, funciones convexas y desigualdades clásicas

Conjuntos convexos, funciones convexas y desigualdades clásicas

Conjuntos convexos, funciones convexas y desigualdades clásicas

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Figura 2. Dos <strong>funciones</strong> <strong>convexas</strong>:<br />

ΩxΩ, x 2<br />

Figura 3. 2 x y –log 2 x son <strong>convexas</strong><br />

Figura 4. senx es convexa en [(2k–1)π, 2kπ], con k entero<br />

x 3 es convexa en [0, + ∞ ]<br />

53<br />

Figura 5. 1/x es convexa en R +

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