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
abkhass
accommodating capital movement
aesthetic perception
Alpette
Anthemis L.
aortic sinusal aneurysm
archimages
asset-transmutation effect
back-burners
big bang cosmology
bitch-slaps
Brava, Pta.
brings forth
cades
car pool
Ceratomycetaceae
coincident demand
coleus blumeis
composite-bench mining
cpdes of construction
cressman weighting function
curved shock wave
Dalbergia benthamii
dansyl chloride
defectus sanguinis
diagonal spread
dill seed
displode
Diuretobis
DL-1-phenylethylmine
Domazlice
double-click
dried squids
emoticism
enantiomeric proton
ESCP
fall into ruin
genus cercopithecuss
glycosidoprotein
hand winch
hotel furniture
hypertrophic neuropathy
impulses
impute
international federation for information processing (ifip)
ioannes
ionized drug
kawulok
laevucalcium
leipziger zeitung
lift up drawbar
liquid varnish drier
lube oil distillate
macrocnemic
made old bones
marlands
mhzs
molluskicide
monochotomous
Nabil'skiy Khrebet
nervi temporales profundi
oil changer
overlubricating
oxidizing temperature
passerines
peaceful reunification
Pel's crises
periodic acid-Schiff's stain
perpetual storage
phenylethy-lamine
plasmid mobilization
pornonormativity
power-seeker
press manager
pyrotenaxes
reciprocornous
roadmasters
Roberts, Julia
rolled leather
royal casino
satirette
saturated flow
screever
selection with arbitrary probability
self-deserving
Sierra Madre Occidental
slowneutron
solid schmidt telescope
spectral power
split-muff coupling
spongioblast
steep to
touchy feely
toucker
twisted
underground main
unidirectional pulse
unwiseman
video disc player
virtual teachers' centre
virulent
wherryite