Last Updated
：2025/12/03
Cauchy problem
Noun
(mathematics,
mathematical
analysis)
For
a
given
m-order
partial
differential
equation,
the
problem
of
finding
a
solution
function
u
on
ℝⁿ
that
satisfies
the
boundary
conditions
that,
for
a
smooth
manifold
S⊂ℝⁿ,
u(x)=f_0(x)
and
(∂ᵏu(x))/(∂nᵏ)=f_k(x),
∀x∈S,
k=1…m-1,
given
specified
functions
f_k
defined
on,
and
vector
n
normal
to,
the
manifold.
Japanese Meaning
ある階数の偏微分方程式において、ℝⁿ上のある滑らかな多様体Sにおいて、解関数uとその法線方向の1次から(m-1)次までの導関数が、指定された関数f₀, f₁, …, f₍ₘ₋₁₎と一致するような解を求める問題。 / 数学解析における初期値問題の一種で、偏微分方程式に対して与えられた初期（または境界）条件を満たす解の存在と一意性を考える問題。
Sense（1）
(mathematics,
mathematical
analysis)
For
a
given
m-order
partial
differential
equation,
the
problem
of
finding
a
solution
function
u
on
ℝⁿ
that
satisfies
the
boundary
conditions
that,
for
a
smooth
manifold
S⊂ℝⁿ,
u(x)=f_0(x)
and
(∂ᵏu(x))/(∂nᵏ)=f_k(x),
∀x∈S,
k=1…m-1,
given
specified
functions
f_k
defined
on,
and
vector
n
normal
to,
the
manifold.
（ plural ）
Quizzes for review
(mathematics, mathematical analysis) For a given m-order partial differential equation, the problem of finding a solution function u on ℝⁿ that satisfies the boundary conditions that, for a smooth manifold S⊂ℝⁿ, u(x)=f_0(x) and (∂ᵏu(x))/(∂nᵏ)=f_k(x), ∀x∈S, k=1…m-1, given specified functions f_k defined on, and vector n normal to, the manifold.
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Cauchy problem
The seminar focused on existence and uniqueness theorems for the Cauchy problem in nonlinear hyperbolic systems.
See correct answer
The seminar focused on existence and uniqueness theorems for the Cauchy problem in nonlinear hyperbolic systems.
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