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
allomothers
amino acid nitrogen apparatus
aqueous partitioning
arcuatuss
atorino
Bailleul
bank current account
beni mazar (bani mazar)
bevelled rectangular tie
blackline tilefish
blank-off
bow tie, bowtie
break something in pieces
carunculous
cast to the winds
Chencha
china's export commodities fair
cokar
combined station and tower (cst)
confined event
coverly
deferrer
demythologise
Eisensteinmark
elementary move
embrued
employee stockownership
Erb-Westphal sign
excess metabolism of exercise
exoplanar
extra byte
filamentous phage
fill the measure of
finned cylinder
fluting plane
global capitalism
gotten the ball rolling
greenhouse-geisser
grip bolt
hardees
head-voice
hyperketonaemia
hyponymy
impurenesses
indent-
intraportally
judicatio
kappa curve
lay figures
line up alongside/with
made or mar
mains-frequency synchronous motor
mccage
micropole diffusor
Mikołajki
Mongholian
ndo
non-polynomial Lagrange
optimal reception
outrays
perambulator
phlegmonous appendicitis
piercing drill
piezoelectric burner igniter
policy limitation
poly(vinyl chloride) membrane electrode
prediction theory
puffinet
pusztai
quadrat list
rank-smelling
rubrospinal
saccharuia
sales deductions
Schottky bipolar decoder
sea-water damage
self cover
self-propelling tripper
series arms
shepsle
sighting target
special nuclear material
striped field mouse
swap order
Szank
TCU
telephone-type relay
thalassomas
third officer
transferware
trichia botrytis cerifera
Trigynaspida
trundling out
unevenly even
unguessable
urea-formaldehyde resin
voltage between phase wire and ground
X-ray diffraction spot
xerophthalmy
Zav'yalova, Ostrov
zeps
zilberman