Let the vector field (x,y)→f(x,y) be Lipschitz in space, let h=0.1, and consider the Euler map g(x, y) := y + hf(x, y). What is the smallest number L≥0 such that g is L-Lipschitz in space whenever f is 3-Lipschitz in space? Hint: You can answer the question directly, but you have also seen at least part of the answer in the lectures and in the lecture notes. Where? a. The mapping g is not necessarily Lipschitz. b. L=0 O c. L=1.3 O d. L=1.7 O e. L=2 O f. L-exp(0.1) g. L-exp(0.3) h. L=3exp(0.1)

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Author:David Poole
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Chapter6: Vector Spaces
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Let the vector field (x,y)→f(x,y) be Lipschitz in space, let h=0.1, and consider the Euler map
g(x, y) := y + hf(x, y).
What is the smallest number L≥0 such that g is L-Lipschitz in space whenever f is 3-Lipschitz
in space?
Hint: You can answer the question directly, but you have also seen at least part of the answer
in the lectures and in the lecture notes. Where?
The mapping g is not necessarily Lipschitz.
b. L=0
a.
O c. L=1.3
d. L=1.7
e.
L=2
O f. L-exp(0.1)
O g.
L-exp(0.3)
Oh. L=3exp(0.1)
Transcribed Image Text:Let the vector field (x,y)→f(x,y) be Lipschitz in space, let h=0.1, and consider the Euler map g(x, y) := y + hf(x, y). What is the smallest number L≥0 such that g is L-Lipschitz in space whenever f is 3-Lipschitz in space? Hint: You can answer the question directly, but you have also seen at least part of the answer in the lectures and in the lecture notes. Where? The mapping g is not necessarily Lipschitz. b. L=0 a. O c. L=1.3 d. L=1.7 e. L=2 O f. L-exp(0.1) O g. L-exp(0.3) Oh. L=3exp(0.1)
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