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
Achaean League
acmite (aegirine)
agribiotech
amusable
AV3V
bambusa edulis
Batote
Blot's perforator
blows something up
bolshie
brain edema
breeding cross
bromwell
brush electrode
carcerulus
choroidal injury
clamp circuit
clavicular tuberculosis
close register
comandante
combined cutting and crushing mechanism
componence
connectionless mode
core state
court session
cultra
cuppola
danicans
depletion for wasting assets
Dickey, James
do svidaniya
duplicaria baileyi
Eccl.
effective distance of live acid
feather fill
ferro concrete vessel
footedness
furnace-man
Gael.
gantry elevator
genus Derris
guild system
ha'pennies
haematine
hag-seed
have doubts
histoblastic
hypoptilum
ibrutinib
imasatin
immune globulin
inter-bank transaction
jami
kelli
linea axillaris posterior
lines calcification
lithotriptor
littoral sediment
malignant hypernephroma
marso
mathematical proof
melt in someone's mouth
metaaminobenzenesulfonic acid
morphologic region
MVO
nonentitize
padding method
pebble tool
Ponflural
Portland blast furnace cement
pseudotyphoid meningitis
psittacid
reliable information
roadbuildings
rose texture
segment reference string
septuploidy
simple electronic computer
sinkiangs
slightly-built
some observation on
state of the art
stiparolytic
synechia vulvae
the round the clock
throws the book at
true love
ultra-efficient
undrossy
upper-middlebrow
vaporizing process
variola inserta
vasclips
venae nasales externae
vertical flow press
vertical projection of borehole
wayfare
Weiss field constant
wohlberg
wolffsohn
xxii
zimelidine