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
-ridden
Abortion Rights Mobilization
actual strength unit
African tick fever
after on
akron abrasion test
allowable dimension variation
angiodermatitis
anotous
apostosis
approachers
Auluptagel
backfilling thrower
Baiima
Baire measurable function
balection moulding
barrelet
beltless
bending-form test
bone nut
branchwood baler
breastlike
brief-code
calibration center of balance
capillary ripple
cardioschisis
Celastrus angulatus
chaitin
cheilocace
Cheleritrin
clay binder
convex domains
discretive
drive out of house and home
dunched
duplex mechanical stoker
Egyptian cat
empiric-function generator
enriched-uranium
fine-draw
form quasi-instruction
general didactics
gummous
Gunsan
harbour echo-ranging and listening device
hardware independence
historical linguistics
hot air oven
interest subsidization
isomorphic equivalent
lail
Les Ponts-de-Martel
locally averaged risk
lower lamella
magic points
malus ioenses
mannogalactan
megatonne
metallopeptidases
moledet
multiple-lever system
Naturalyte
nondomain
nonflying
norm of morality
piezoceramics
pighood
plastered with
policy maintenance
polyethylene glycol distearate
postsynaptic potential
precatalyst
program termination processing
purifying box
quadle
quadrantal compressor
railbeds
rasterising
ricin toxin
scarlad
self guidance
side-walls
single box computer
slapdashes
snap ring thickness
state-of-the-art-type apparatus
sunrise watch
syndrome of dampness-heat in middle jiao
Syzygium szemaoense
terminal airspace
Thessaloniki,Thessalonike
three figures
toxoprotein
traffic service
transmission lighting
triadic product test
two-medium photogrammetry
ulamas
unrepulsable
Warlingham
welding consumables
wronglessly