724 Glossary of Symbols
Symbol
p
n
S.(f, P) = L mil:,.i
i=l n
S(f, P) = L Mil:,.i
b -b
J - a f , J af
I: f
llPll
P*
i=l
n
THE RIEMANN INTEGRAL
Meaning Defined on page
partition of [a, b]
inf{J(x) : x E [xi-1, xi]}
sup{f(x) : x E [xi-1, xi]}
Xi - Xi-1
lower Darboux sum of f over P
upper Darboux sum of f over P
lower (upper) Darboux integrals off over [a, b]
Riemann integral off over [a, b]
mesh of the partition P
tagged partition of [a, b]
360
361
361
361
361
361
363
364
372
374
R(f, P*) = L f(x;)t::,.i Riemann sum off over tagged partition P * 374
i=l
regular partition of [a, b] into n subintervals
jump of f at xo
379
392
fa+oo f, J~ 00 f, J~;: f (improper) integrals of f over infinite intervals 438, 439
Symbol
00
L ak (= S)
k=l
n
Sn = L ak
k=l
a;t, a;;:
X' = (x1,X2,···Xn)
]Rn
X'. if
00
I: ak(x - c)k
k=l
p
(%)
00
L%
i,j=l
SERIES OF REAL NUMBERS
Meaning Defined on page
an infinite series of numbers with sum S 453
00
nth partial sum of I: ak 453
k=l
max{ an, O}, max{-an, O} 480
an n-vector 498
Euclidean n-space 498
dot product of X' and if 499
a power series in ( x - c) 504
radius of convergence of a power series 506
binomial coefficient for arbitrary a E JR, n E N 523
a double series 529