U (t, ( t, s) =
√ ts
• L = √ ts+ ts+λ (I − P t t − P S S s) √ L = √ s − λP t = 0 2 t √ ∂ L √ t − λP s = 0 = ∂s 2 s ∂ L = I − P t t − P S S s = 0 ∂ ∂t
(1) (2)
(3) ∂λ (1) entre (2) √ s √ √ t √ t
=
2 2
s
(4) (4) I I I (5)
− − −
λP t λP s
√ √ 2 t
2
2( s)
( )2
=
P t P s
s t
=
P t P s
P t s = P t s en (3) P t P t t P S S P s t = 0 P t t P t t = 0 2P t t = 0 I t∗ = 2P t
− −
(6) s∗ = t∗ = s∗ =
I 2P s
1 2(0. 2(0.1) = 5 1 2(0. 2(0.25) = 2
t∗ = 5 U =
√ 5 × 2 = √ 10
s∗ = 2
• √ 5 × 2 = √ 10 √ 10 = I × I √ 10 = 0I .8 0.5
U =
2
0.4
2
10 = 0I .4 0.4 10 = I 2 4 = I 2 2 = I t = 2.5 s∗ = 4
×
/
2 3
/
1 3
U (w ( wf , wc ) = w f wc I = = 300 P f f = 20 P C C = 4
L = wf / wc/ 2 3
α =
(1) (2) (3)
1 3
2 3
+ λ (I β = = 31
− P f f wf − P cwc)
α 1 β ∂ wc ∂w f = αw f ∂ α β 1 β wf wc ∂w c = βw ∂ P f f wf ∂λ = I
−
L L L
− λP f f = 0 − − λP c = 0 − P cwc = 0
−
(1) entre (2) α−1 β αwf wc β
α βw f w c −1
=
α β
−
(4)
wc =
(4)
(3)
P f f P c
β α
− P f f wf P c P P I − wf P f + P f f + P f I
(5)
P f f P c
f f c
∗= wf
wc wf
=
P f f P c
wf β α
wf = 0
β α
∗= wf
P f f P c
I
(P f f +P f f ( αβ ))
β α
I (P f f +P f f ( αβ ))
300
− P f f wf − P f f wf
=0
(5) en (4) wc =
I
= 10
20+20
1 3 2 3
wc∗ =
β α
I
(P c +P c ( αβ ))
β α
=0
w∗ = c
1 3 2 3
300
= 25
4+4
1 3 2 3
wf
• ∗= wf wc∗ =
300
= 20
10+10
1 3 2 3
1 3 2 3
300
= 25
4+4
1 3 2 3
• U a = 102/3 251/3 = 13, 13 , 5 21 , 5 U b = 202/3 251/3 = 21,
U (c, ( c, b) = 20c 20c
− c2 + 18b 18b − 3b2
• L = 20 20cc − c2 + 18b 18b − 3b2 (1) ∂ ∂cL = 20 − 2c = 0 (2) ∂ ∂bL = 18 − 6b = 0
(1) 20 = 22cc 10 = c (2) 18 = 66bb 3 = b U = = 127
• •
c + b = b = 5
wc
20
− 2c = 18 − 6b −2c = −2 − 6b c = 1 + 3b 3b 1 + 3b 3 b + b + b = = 5 1 + 4b 4 b = 5 4b = 4 b = 1 c = 1 + 3 (1) (1) c = 4
U (x, ( x, y) =
x2 + y 2
P x = $3
• L
U 2 = (x2 + y 2 ) + λ + λ (I
− P xx − P y y)
L (1) ∂ λP x = 0 ∂x = 2x ∂ L (2) ∂y = 2y λP y = 0 L (3) ∂ P x x P y y = 0 ∂λ = I (1) entre (2) P x 2x 2y = P y
− − − −
(4) x =
P x P y y
(4) en(3) en(3) x I P x P P y y
− − P y y = 0 P I − P y − P y y = 0 −y P P + P y = −I (5) y ∗ = I 2
X
y
2
X y
P 2 X P y
+P y
(5) en (4) P x I x∗ = P P 2 y
x∗ =
X P y
+P y
IP x
(P x2 +P y2 ) y ∗ = 950 =8 ( 4 +4) 50×3 x∗ = (9+16)) =6 U =
√
82 + 62 = 10
P y = $4
I = 50
•
U = (g, v ) = min
•
g 2, v
g = 2v
• g 2
= v
g = 2v I = P g g + P + P v v I = P g 2v + P + P v v I = v (2P (2P g + P + P v ) I ∗ (2P (2P g +P v ) = v 2I ∗ (2P (2P g +P v ) = g
• V (P g , P v , I ) =
g 2
=
2I (2P (2P g +P v )
I × 21 = (2P (2P +P ) g
v
• E (P (P g , P v , U ) = (2P (2P g + P + P v ) U 0.5
U ( U (x,y,z) x,y,z ) = x = x 0.5 y0.5 (1 + z + z)) P x = 0.25 P y = 1,P 1 ,P z = 2 , I = = 2
• 0.5 L = x0.5y0.5 (1 + z + z)) + λ (I − P x x − P y y − P z ) 05 L −0.5 y 0.5 (1 + z (1) ∂ + z)) . − λP x = 0 ∂x = 0.5x 0.5 L 0.5 −0.5 (2) ∂ y (1 + z + z)) − λP y = 0 ∂y = 0.5x L − P xx − P y y − P z z = 0 (3) ∂ ∂λ = I
(1) entre (2)
0.5x−0.5 y0.5 (1+z (1+z )0.5 . . 0 5 − 0 5 0.5x y (1+z (1+z )0.5 (1+0.5)0.5 y (1+0. P x = P x(1+0. (1+0.5)0.5 y y P x x = P y x (4) y = P P y x
=
P x P y
(4) en (3) x I P x x P y P P z z = 0 P y x I P x x P x x P z z = 0 I 2P x x P z z = 0 2P x x = P = P z z I I x = −P 2zP zx + 2P x
− − − −
− − − − − −
x = −P 2zP 0x + I x = 0 + 2P x I x∗ = 2P x
I 2P x x
y ∗ =
I 2P y
2 x∗ = 2(0. 2(0.25) = 4 2 y ∗ = 2(1) =1 ∗ z = 0 U = 4 0.5 10.5 = 4
z = 0.5 0.5 2 x = −22× ×0.25 + 2×0.25 = 2 0 = 2 (0. (0.25 2) (2 0.5) y 0.5 = y 0.5 = y 05 U 1 = 20.5 0.50.5 (1 + 0. 0.5) . = 1. 1 .22
−
−
× − ×
−
−
• • I = 10 4
x = 16 16,,
z = 1
(x, y)
(1 + z + z))
P x x = P = P y y = P = P z z (1 + z + z)) 2P z (1 + z + z)) + P + P z z = I = I 3P z z = I = I 2P z
−
z > 0
I > 2P 2 P z
U ( U (x, y) = xα y 1−α
• L = xαy1−∂ Lα + λ (I − P xx − P y y) (1) ∂x = αx α−1 y 1−α − λP x = 0 L − α) xαy−α − λP y = 0 (2) ∂ ∂y = (1 L (3) ∂ ∂λ = I − P x x − P y y = 0 (1) entre (2) (4)
αxα−1 y 1−α (1 α)xα y−α
−
=
P x P y
I > 4
y=
− − − − − ∗ × × ×
(4) y∗ =
P x P y
1 α α
−
x
(4) en (3) 1−α x I P x x P y P x = 0 P y α 1−α I P x x P x α x = 0 α I xP x 1 + 1− =0 α I ∗ x = P 1+ 1−α ( α )) x( I 1−α y = P 1+ 1−α α ( α )) y(
V (P x , P y , I ) = U [µ [ µ (P x , P y , I )] )]
1 α
α
=
I α P x (1+( 1− α ))
1 α α
I α P y (1+( 1− α ))
−
−
α
E (P (P x , P y , I ) =
•
∂e ∂P x ∂e ∂P x
•
I α P x (1+( 1− α ))
I α P y (1+( 1− α ))
1 α α
−
α 1
−
¯ = α 1−α (1 α)α−1 P xα−1 P y1−α U ¯ = α −α (1 α)α P xα P y−α U
− −
α
¯ U
• E (P x , P y , U ) = 2P x0.5 P y0.5 U
P x = 1
P y = 4,
U = 2
E = = 8 E = = 12
•
8 2 = 12 3
E = = 8 = 2P 2P x0.5 40.5 3
P x0.5 =
P x =
4 9
5 9
x = 9
• α
E (P x , P y , U ) = 1.84 84P P x0.3 P y0.7 U 9.71
P x = 1
P x = 0.26
0.74 x = 11 11..2
U ( U (x, y) =
yδ δ
xδ δ
+
yδ δ
+ λ (I
• x y
=
P x P y
1
δ −1
δ
L = xδ
− P xx − P y y) ∂ L δx − λP x = 0 ∂x = δ δy ∂ L − λP y = 0 ∂y = δ ∂ L ∂λ = I − P x x − P y y = 0
(1)
+
δ −1
(2) (3) (1) entre (2) δxδ−1 δ δy δ−1
=
δ
xα−1 y α−1 x y
•
=
=
δ−1
P x P y
P x P y
P x P y
P y = 4
1
δ −1
δ = = 0
U = 2
E =
x y
=
x y
1 0−1
P x P y
P x P y P y P x
=
x y
−1
= (4) xP x =P = P y y P x x P y y
• P x x P y y
P x P y
=
δ
δ δ−1
•
− − − − − × 1
x y
δ −1
P x P y
=
1 δ 1
− = α
=
P x P y
x =
P x P y
x y
I I I
α
y
α
P x P y
P x
P xα+1 P yα P xα+1 P yα
y
y
P y y = 0
P y y = 0
y
+ P y = 0
I
y ∗ =
α+1 P x α P y
P x P y
x =
x∗=
α
+P y
α
I
α+1 P x α P y
+P y
I
V =
α+1 P y α P x
+P x
I α+1 P y α +P x P x 1+α α
E (U, P x , P y ) = U U
1+α
α
1+α 1+α α
+
1+α
I α+1 P x α +P y P y 1+α α
x∗−
1+α
α
y∗−
α
1+α
α
x0
x0
U ( U (x, y) = (x
•
α (I
I
− −
−
− x0)αyβ
I > P x x0 + P x x0 P x x0 ) + P
x
donde α + β + β = = 1 (I β (I
− P xx0)
x < x0 P x xo P x (x
P x xo
− x0) = α( α (I − P x xo ),
P x x I
• P x x (1 + α + α))P x x0 = α + α + , I I P y y β P x x0 = β I I
−
→ → ∞) P I xx = α, → ∞) P I y y = β lim( lim(I → lim( lim(I
P y y = β = β (I P y y I
− P xxo )
• 0.75 75x x + 2y 2y
• SiP x < 83 P y
x =
SiP x > 83 P y
x = 0
•
•
I P x
y = 0 y =
I P y
P y <
•
I = $3 mantequilla de cacahuate (P mc $0.0.5 mc ) = $0. mermelada (P m ) = $0. $0.1
• mc = mc = 2m 0.05 05mc mc + + 0. 0 .1m = 3 (0. (0.05 2m) + 0. 0 .1m = 3 0.1m + 0. 0 .1m = 3 0.2m = 3 m = 03.2 = 15 mc = mc = 2(15) = 30
×
•
P m = $0 $0..15
0.05 05mc mc + + 0. 0 .15 15m m = 3 (0. (0.05 2m) + 0. 0 .15 15m m = 3 (0. (0.1m) + 0. 0 .15 15m m = 3 0.25 25m m = 3 m = 0.325 = 12 mc = mc = 24
×
• m = 15
3(0. 3(0.15) + 6(0. 6(0.05) = 0. 0.75
mc = 30
8P x 3
•
•
P sand + P m sand = 2P mc mc + P P sand sand = 0.20 Qsan = 15 P sand sand = 0.25 Qsan = 12 Qsand =
•
3 P S
∂x/∂I
•
P x P y y x
•
∂x > 0 ∂I
U ( U (x, y) = x = x 0.3 y0.7
• x = y =
0.3I P x 0.7I P y
U = 0. 0 .30.3 0.70.7 I P x−0.3 P y−0.7 = βI β I P x−0.3 P y−0.7 E = β = β −1 U P x0.3 P y0.7
•
xC =
∂E = 0. 0 .3β −1 P x−0.7 P y−0.7 ∂P x
•
x,Px = 1 x,I = 1 xC ,P x = 0.7 S x = 0.3
− −
x,Px = = xC ,P x S x x,I 1 = 0.7 (0. (0.3 1)
− S x =
− × − − ×
P x x I
•
Sx,I =
Sx,I =
∂P x x/I ∂I
∂s x ∂I
× sI
x,I
x
−1
2
− P xx × I = − 1 × P I x/I = I P x∂x/∂I x,I 2 I P x x
x
x,I = 1.3 Sx,I = 0. 0 .3
•
Sx,Px =
Sx,Px =
∂ (P (P x x/I ) ∂P x
x,Px = 0.73 Sx,Px = 0.27
−
∂s x ∂P x
× P s x x
x,Px + 1
P x ∂x/∂P x + x + x I x × P P x/I × x = x,Px + 1 = I x
•
x,Px,Px = x,Px = +1
∂ (P x x) ∂P x
× ×1 x
x,Px,Px = = x,Px = +1
•
∂s x S x ,P y = ∂P y
x,Py S x ,P y =
∂ (P (P x x/I ) ∂P y
×
P y sx
P x ∂x/∂P y P y I ∂x P y y × P P x/I × × = = = x,Py I P x ∂P x x
x
y
• sx =
1 1 + P + P yk P x−k
k =
δ
δ
−1 = 1−σ xC P x =
sx ,P x =
kP yk P x−k−1 1 + P + P yk P x−k
θ = P = P yk P x−k
x,Px = = sx ,P x
× 2
P x 1 + P + P yk P x k
−
=
kP yk P x−k 1 + P + P yk P x−k
kθ − 1θ − 1 = 1 kθ − 1= + θ + θ 1 + θ + θ
x,I = 1 kθ θ 1 1 θ (k 1) xC P x = x,Px + s + sx = + = = (1 1 + θ + θ 1 + θ + θ 1 + θ + θ
− −
•
−(1 − sx)σ
−
− sx)(−σ)
I (P h + P + P c ) ∂h I h,Ph = = 2 ∂P h (P h + P + P C C ) h =
−
h,Pc =
−P h + P c ) × P h(P hI + P = (P + P + P ) h
c
−P c
(P h + P + P c ) P h = P c
h,Ph = h,Pc =
−0.5
•
x,px = 0
− sx = −0.5
• P h = 2P c
h,Ph =
−2 , 3
•
•
(σ = 1) x y x,Px + + y , P y =
−2
h,Pc =
−1 3
x,Px = y,Py =
−(1 − sx)σ − sx −sxσ − sy
x,Px + + y,Py =
•
−σ − 1 −2
σ > 1 x,Px + + y,Px <
−2
σ < 1 x,Px + + y,Px >
σ
σ
•
n i
•
•
n j =1 P j
i,j =
∂x i I = ∂I xi
i,j =
∂x i P j = ∂P j xi
n + i,j j =1 i,j +
=0
∂x i ∂x i + I =0 ∂P j ∂I 1 x
−2
n j =1 si i,I
=1
si
= I i P i xi = I i P i
∂x i =1 ∂I
n j =1 si i,I
xi I xi I =1
•
i P i
∂x i + xj = 0 ∂p j P j I
n j =1 si i,j
=
P x
•
× xxi i
−sj P y
x
y
n j =1 si i,j =
−sj P j