时间:2018-12-09 作者:英语课 分类:麻省理工学院公开课:微分方程


英语课

  分集介绍:这一讲的主题是极限环,首先教授给出了极限环的定义,它首先是方程组的解形成的一条闭合轨迹,另外它不同于一般闭合轨迹,它必须是附近轨迹在t趋于无穷时逼近的轨迹。然后教授介绍了极限环何时不存在的两个准则,分别是本迪克松准则和临界点准则,证明本迪克松准则时,证明过程中涉及了反证法,以及逆否命题逻辑。最后教授介绍了极限环的一些历史,并用他经历的一个有趣故事结束了本课,与某位中国教授有关。












学英语单词
Abinee
acoustic absorption
advanced gas-cooled reactor (agr)
Alcudia
bicurved
bidirected
blank concave
broadband network termination 1
cartless
clip somebody's wings
clothing bin
compulsory case law
coordinate classes
de-stressed
Deadman Bay
depth crank
derivative estimation
disregistry
doct-
dual-polarization laser
ecology of salt marsh
electric hand saw
electroinactive
electromotors
electrostatic safety
expenses of seismic exploration
fire-escape
firm stratum
flash over test
frontiers of space
fueling charging means
full gallop
hemagglutination virus
hemopoieses
heritable translocation assay
horsmen
Humiriaceae
indemnifiable
ingress of air
intermediate massecuite
internal injury caused by metallic tool
labour rate standard
lamprophane (lamprofanite)
leading bodies
leiocarpa
line terminating network
lipometabolic
listeneth
locatio conductio
long-span land smoother
maximum store weight
metossil
minore
monkey-houses
mousquetaire cuffs
MS-2
multiple-deck station
necopidem
no solution
ocmulgee national monument
OMCT
open pack
overoptimist
Pasteur-Chamberland filter
Preliminary Reference Earth Earth Model
Protociliatia
radar mile
rail contact area
reips
remote manual controller for emergency cut-out
resistance coating
Rubus niveus
saturated dissolved oxygen
set something to music
short-range profit planning
skin graft instruments set
splenic artery aneurysm
spongy dry rot
sprouting
strikes etc. risks
Sundbyberg
superhighways
supramolecules
thawing beet
Tisco Timang steel
to announce
tookies
traffic and warehousing
Tripolium vulgare
tuberculosis ulcerosa
typhus
Umm Qulaytah
underlout
uromyces lespedezae-procumbentis (schweinitz)curtis
viscosity absolute
washing stand
wet fatliquoring
Willan's lepra
williwaw
Wilms' operation
winch-dyeing
wind component