• 検索結果がありません。

N N 微分方程式 2

N/A
N/A
Protected

Academic year: 2021

シェア "N N 微分方程式 2"

Copied!
2
0
0

読み込み中.... (全文を見る)

全文

(1)

微分方程式

2 2013-12-13

  組  番 

ふり

がな

1.

次の

1

階線形微分方程式を解け

. xy+y = 2x (x >0) —

y+p(x)y=q(x)

の解の公式は

, y= .

y

の係数を

1

にすると

.

p(x) = , q(x) =

p(x)dx= .

e

p(x)dx

= , e

p(x)dx

q(x) =

より

e

p(x)dx

q(x)dx= = .

よって

, y =

= .

(2)

2.

次の

1

階線形微分方程式を解け

. y+xy = 2x

y+p(x)y=q(x)

の解の公式は

, y= .

y

の係数を

1

にする

(

なっているが

)

.

p(x) = , q(x) =

p(x)dx= .

e

p(x)dx

= , e

p(x)dx

q(x) =

より

e

p(x)dxq(x)dx= = .

よって

, y =

= .

参照

関連したドキュメント

S49119 Style Classic Flexor Grade 7.0 Fixation Manual Weight 215g Size range 35 - 52 TECHNOLOGY-HIGHLIGHTS. •

There is a bijection between left cosets of S n in the affine group and certain types of partitions (see Bjorner and Brenti (1996) and Eriksson and Eriksson (1998)).. In B-B,

The figure below shows an example illustrating the generic configuration of the relative mean curvature lines around a semiumbilic point of a surface in R 5.. The drawing has

The basic elements and results on anisotropic fractional Bessel potential and Hölder spaces, needed in the characterization of the local regularity properties of the solutions to

This paper is a sequel to [1] where the existence of homoclinic solutions was proved for a family of singular Hamiltonian systems which were subjected to almost periodic forcing...

(The Elliott-Halberstam conjecture does allow one to take B = 2 in (1.39), and therefore leads to small improve- ments in Huxley’s results, which for r ≥ 2 are weaker than the result

Our main interest is to determine exact expressions, in terms of known constants, for the asymptotic constants of these expansions and to show some relations among

This set will be important for the computation of an explicit estimate of the infinitesimal Kazhdan constant of Sp (2, R) in Section 3 and for the determination of an