Index of Notation 793On then×nzero matrix
In then×nidentity matrix
detA determinant of the matrixA
trA trace of the matrixA
A−^1 inverse ofA
At transpose of the matrixA
A† transpose conjugate of the matrixA
f◦gfcomposed withg
limx→a limit asxapproachesa
f◦gfcomposed withg
f′(x) derivative off(x)
df
dx derivative off(x)
∂f
∂x partial derivative offwith respect toxf(n)(x) nth derivative off(x)with respect tox
∫
f(x)dx indefinite integral off(x)
∫b
af(x)dx definite integral off(x)fromatob
∫
Df(x)dx integral off(x)over the domainD
φ(x) Euler’s totient function ofx
∠ABC angleABC
AB arc of a circle with extremitiesAandB