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
additive compounds
all-round pressurized shield
anti-splash nozzle
biotransference
bodies of water
buried pier
butterbeer
cardsharper
central transform
Chinese medicine
ciwara
cold-stores
colo(u)r analyser
comin'
compare check brush
conditional assembly processing
convex shaped compact
cut buddy
cutover areaa (area where timber has been cut)
d.p.r.
day rate system
decacarbonyl
dendrochronologist
dewite
diaminophosphatide
diaphonized
differential arc regulator
driv
dry bulk cargo
enspelled
express volumes
fetch load trace
flood prevention measure
free-space impedance
friend or foe identification
funaki
initial atmospheric stage
irreversible charge
kamerlingh onnes
kiemen
Legoupil, Cape
library program(me)
Massoncello, Mte.
Menderes Büyük
method of equal proportion
microhematuria
mireilles
mortgage liability
mosswood
Mouyala
Mukhtolovo
multiple spot
naphthanil
neil
neoleipothrix alnuse
outgoing airmail schedules
paracalanidae tenuis
paronyms
pecking
perforated steam pipe
pinch point
profile spotlight
propeller post boss
quartzfels
quintozene
reedings
Regents
resource list
robovirus
Sama Is.
sanding vehicle
savourlessness
scope of examination
scraper and break detector
seed source
selenosulfuric acid
senile psychosis
servitorial
sidetrip
sividicon
slate
speed envelope
Sphaerophysa
spray-up molding
springcup
straffords
superyse
sweep forward
swept brilliance
swordfishing boat
symposial
the narrow house
track marks
tractor plow
two position control
value of air-entry suction
vay-cay
vegetable chamber
westchase
willmots
wobble plate fuel pump
working-classes