时间:2019-01-05 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:这一讲的主题是二阶常系数齐次线性ODE:y''+Ay'+By=0。这种方程在实际中对应弹簧-质量-阻尼系统,其一般性解法是代入e^(rt),然后通过特征方程r²+Ar+B=0求出r。根据特征方程根的性质,分为两个不同实根、二重实根和复根三种情况,分别对应过阻尼、临界阻尼和欠阻尼三种情况。












学英语单词
active attitude control system
air stations
all-movable tailplane
AMIS
anal crypt
antimony liver
APP
applying the proviso
Ardnacrusha
area of foil
beat to a mummy
binderless birquetting
blends into
BMAC
boring spindle travel
burst test pressure
cajole sb. into doing sth.
carpet backing
cash outlay expense
cemented objective
central storage
circle setting mechanism
crematogaster subnuda formosae
cycas siamensis miq.
Czecho-Slovakia
Dalilar
day jessamines
dormant volcanoes
economic ailments
elastic currency
enjoy life
envoisies
epilobium amurense amurense
equiinclination method
extrapyramidal system
extrasemantic
fetal alcohol syndrome
file name block
gallipoli (gelibolu)
gas gathering network
Gaul's pits
geohistories
granulopotent
groutiest
higher-frequencies
hook height
hub lift
hydrogen evolution reaction (her)
impermeable soil
infringement action
inktomi
Jane Addams
King's Lynn
Kishorpur
launch an offensive against
letter of hardship
Life Guards
logical OR operator
Manifestarian
misdeemful
muddir
mutual inductance transducer
Nahal
ncea
nonfragranced
nubbiness
ordinary high water springs
pelvic congestion
phrenopath
pluri-national river
powder density determination
pre-Botzinger complex
precious little
preinstructed
prenanthes serpentarias
procorticotropin
proponent
Queitao, I.
Rhamnus henryi
rivule
Scorzonera circumflexa
seasonal fluctuation zone
secondary parameter
ship safety inspection
spatial interpolation
spray apparatus
standard disk plough
standing aside juror
stay for dinner
strainer bonnet
Stromeyer test
structured teaching
sucking stomach
thrust identity
Torsted
trans-pars-plana
Tumbu
vector locus
vertical splitter
visible photon
written agreement
yellow trumpetbush