时间:2019-02-05 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:记得幂级数吧,如1/(1-x)=Σ(x^n)、e^x=∑(x^n/n!),考虑某种变换,让两个幂级数的系数1和1/n!分别对应于f(x)=1/(1-x)或f(x)=e^x,这很容易。其实拉普拉斯变换与这是对应的。教授用这种深入浅出的讲解,让我们了解了拉普拉斯变换的由来。然后分别计算了1、e^at、cos(at)等几种常见函数的变换,并讲解了指数位移的重要公式。大名鼎鼎的拉普拉斯变换,其实并不难。









学英语单词
ad serving
agvs (automated guided vehicle system)
akuffo
Alcedo, Vol.
anatoxic
antidiarrheal
arc-over
atomic number 46s
bitstock
building economic life
Bylderup
cbfp
chain-gangs
Charcot's pains
chromatic granule
compunctuous
confirmation message
copper family element
corn-meal
cringle
crone
cunhas
cylindrical linear induction motor
dealbata
demoniacal
dependables
deposit slips of paying-book
diagostino
diplommatina tayalis
Dubiyevka
dukat
electromagnetic radiations
electron emission of metal
eppur si muove
fashion store
fijian soapstone
flavylium
form fit transformer
government papers
hammerings
idiopathic respiratory distress of newborn
interturbidite
intraocular coenurosis
jullundurs
Krasnoyarskoye Vdkh.
krepon
last choice circuit group
left upper quadrant of the abdomen
locked harbor
man-for-man defense
maximum flow problem
Meibom's gland
mesotegmic
Mollebamba
Musculus gemellus superior
Napierville
nervi buccinatorius
neuroton
obstruck
omphalectomy
out-classing
p-amino-benzoic-acid
paraquinoidstructure
parity doublet
particulate matter monitoring
patriot-news
peak overlapping
permanent stretch
photocopy machine
plani-
pre-decay
preacheresses
protoplanetary discs
pseudorhombus ctenosquamis
relocation package
sand-and-canvas
selna
shipper-receiver difference
shoot off the tie
single-chambers
single-valued integeral function
sound-boxes
SRAM (static random-access memory)
storify
substance for calculation
sulpho-salts
surface-based
tail moment
teacher characteristics scale
tectoruside
top hold
tweendeck ladder
unmanned flight operation
unswathable
vapourous
variation magnetic field
venturinis
verumontanum
Virtanen
wide-body aircrafts
Wormley Seamount
xerocoles