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
A bad beginning makes a bad ending.
abnormal taste
acre inches
admping ratio
anarcho-capitalists
antitherapy
apolar interaction
band roughing mill
band-tailed antshrike
base dimension
black patches
books audit
browntail
building sheet
cherry farm
cholelithes
chungdienensis
classical compact simple Lie group
cleavabilities
continental wind
control experiments
debittreing yeast
drainage point
edge disturbance
endomycopsis
factory service cost
far-field spectra
fixed length integer
flower boxes
forstay
fubsy
furoquinoline alkaloid
geo-synchronous satellite
good result efficacy
Grammys
growing space
heat responsive element
hook tap
hyperhistidinurja
ichthyodorylite
illiberis horni
immigrant's remittance
incarial bone
intact ship
intersegment reference
isocotylous
isothermal compression
knowledge exchange
laminar sublayer
langkawi
laterialis (tricostaeptera) shirozui
linear inequality constraint
lollipop men
Mason jars
matched condition
Melbournian
member carrier
micro-dictionary
Mikulicz's aphthae
Neocyanite
now-then
out-of-hours
platelet factor 2
political terrorist
positive semidefinite form
Prachuap Khiri Khan
price level changes
Rapanea linearis
reaction space
rivermont
rubber plastizing agent
Saint-Simonist
screw feed mechanism
shalcrosses
shrimp with lobster sauce
sizzlings
solid solution cermet
sopher
special gas
spring shackle
spurious copy
Starobyn
statement interlude
statutory rights
suez surcharge
support hours
symmetry error
tagus rivers
target area survey base
thiopentone
Thomson effect
three-state device
tracheid cells
vaik
wahaya
Waterhen L.
Wedensky phenomenon
weekers
xenon(iii) fluoride
xyrophilic
yellow water flag
Zwenkau