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
acer wilsonii rehd.
acupuncture reinforcement manipulation
alfred thayer mahans
anthrophobes
antifrost smoke projector
aperture
assembly language compiler
available soil water
battery-fed motor
blackey
Carex laeta
change record
change-house
check measuring
chroniclers
cinder concrete lintel
code convert
conge
decarbonates
denture
departure test
dermographic test
disin
dradge
echo-ophthalmography
eluard
endmills
eumerus rufitibilis
exterior draft
fast-neutron-killing dose
father upon
filmographic
fixed installment method
flexible freeze
genat
general calculus
genericide
gondolin
graded joint
groin basin
have a share in
herogram
Heustreu
horatio herbert kitcheners
hypoxylon cinnabarinum
jamming of shutdown rod
know your way around sth
Kokora, Ozero
koltai
lady's-finger
lateral bine
liao
lime(d) juice
m/bits
macro-economic
mealie
mercutio
milled rice
mini-tvs
miswears
narrow band channel
New Britain Trench
ngou
Northeastern State University
NSST
off-set fault current
outer lamella
pattinsons
pea shooter
peptozyme
Peyronie disease
pinhole procedure
ppsa
precompact
push for
rancons
re-registration of company
schistosomal granuloma
screw pump
semiconductor device reliability
seyon
single loop feedback
spokane
stearylsulfamide
step machines
step-by-step testing method
step-function response
sturing
submarine attack trainer
sursies
tachimochi
taylor-made
theoretical anthropology
traverse by angles to the right
variable injection timing unit
varnish shop
vena cardinalis
vertical kier
visual-verbal
whipstitched
X-Y scheme
Zugersee