Peaks and valleys The following functions have exactly one isolated peak or one isolated depression ( one local maximum or minimum ) . Use a graphing utility to approximate the coordinates of the peak or depression. 63. h ( x , y ) = 1 − e − ( x 2 + y 2 − 2 x )
Peaks and valleys The following functions have exactly one isolated peak or one isolated depression ( one local maximum or minimum ) . Use a graphing utility to approximate the coordinates of the peak or depression. 63. h ( x , y ) = 1 − e − ( x 2 + y 2 − 2 x )
Solution Summary: The author illustrates how to sketch the graph of the function h(x,y)=1-e- (x2+y
Peaks and valleysThe following functions have exactly one isolated peak or one isolated depression (one local maximum or minimum). Use a graphing utility to approximate the coordinates of the peak or depression.
63.
h
(
x
,
y
)
=
1
−
e
−
(
x
2
+
y
2
−
2
x
)
Formula Formula A function f(x) attains a local maximum at x=a , if there exists a neighborhood (a−δ,a+δ) of a such that, f(x)<f(a), ∀ x∈(a−δ,a+δ),x≠a f(x)−f(a)<0, ∀ x∈(a−δ,a+δ),x≠a In such case, f(a) attains a local maximum value f(x) at x=a .
4. Use method of separation of variable to solve the following wave equation
მłu
J²u
subject to
u(0,t) =0, for t> 0,
u(л,t) = 0, for t> 0,
=
t> 0,
at²
ax²'
u(x, 0) = 0,
0.01 x,
ut(x, 0) =
Π
0.01 (π-x),
0
Solve the following heat equation by method of separation variables:
ди
=
at
subject to
u(0,t) =0, for
-16024
ძx2 •
t>0, 0 0,
ux (4,t) = 0, for
t> 0,
u(x, 0) =
(x-3,
\-1,
0 < x ≤2
2≤ x ≤ 4.
ex
5.
important aspects.
Graph f(x)=lnx. Be sure to make your graph big enough to easily read (use the space given.) Label all
6
33
Chapter 15 Solutions
MyLab Math with Pearson eText -- Standalone Access Card -- for Calculus: Early Transcendentals (3rd Edition)
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
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