English for Masters. Маркушевская Л.П - 201 стр.

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Университет ИТМО | Санкт-Петербург

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201
0)](2[
2
2
=×++ ysb
ds
yd
the second derivative of у with respect to s, plus у times the
quantity two plus b of s, is equal to zero
3/4 km
three quarters of a kilometer
∑
=
n
k
k
X
1
sum; X1+X2i....+Xn
1.65 km
one point sixty-five kilometer
∏
=
n
k
k
X
1
product; X1*X2 ...Xn
15 Ib
fifteen pounds
∑
=
r
k 0
the sum from k equals 0 to k
equals r
50 mi/h
fifty miles per hour
⊕
modulo – 2 sum
5 ft/s
5 feet per second
⎣
⎦
X
largest integer less than or equal
to X (the integer part of X)
16 h. p.
16 horse powers
⎡
⎤
X
smallest integer greater than or
equal to X
74.5 °F
seventy-four point five degrees
Fahrenheit
y
x
≈
x is approximately equal to y
20 °C
twenty degrees Centigrade
y
x
<
<
x is negligible compared to у
…..
a dotted line
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
m
n
number of combinations of n
objects taken m at a time
−−−
a dash line
gf
Δ
f is defined to be equal to y
- - - -
a broken line
f
norm of function f
−.−.−
a dot and dash line
(
)
fg
inner product of functions f and
g
a solid line
(
)
[
]
n
m
Df
fmD
m
+fm+1D
m+l
+...+fnD
n
for
n
≥ m and 0 for m>n where
f(D)=
fkDk is a polynomial
−−→
in the direction of the arrow
BA ∪
union of sets A and B (that is,
the set of elements in A or B of
both)
M
*
a starred parameter
)(xf
∇
gradient of the function f(x)
M its instarred counterpart
Ac
complement of set A
Δ
laplacian
m
U
Am
A1U A2U A3U …
Δ
a triangle
BA ∩
intersection of sets A and В (that
is, the set of elements
commonly contained in sets A
and B)

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