... Press, 1995 and
2003; A. D. Polyanin and A. V. Manzhirov, Handbook of Integral Equations, CRC Press,
1998; A. D. Polyanin, Handbook of Linear Partial Differential Equations for Engineers
and Scientists, ... V. F. Zaitsev, and
A. Moussiaux, Handbook of First Order Partial Differential Equations, Taylor & Francis,
2002; and A. D. Polyanin and V. F. Zaitsev, Hand...
... stands for the union of sets A and B
∩ intersection (Boolean multiplication); A ∩B stands for the intersection (com-
mon part) of sets A and B
⊂ inclusion; A ⊂ B means that the set A is part of ... of numbers a and b is denoted by a + b and has the property
a + b = b + a
– minus sign; the difference of numbers a and b is denoted by a – b
⋅ multiplication sign; the p...
... integer
p and q (q ≠ 0). It is only the rational numbers that can be written in the form of finite
(terminating) or periodic (recurring) decimals (e.g., 1/8 = 0.125 and 1 /6 = 0. 166 66 ).
Any integer ... m/n,wherem and n are natural numbers:
a
p
= a
m/n
=
n
√
a
m
, a ≥ 0.
6 ARITHMETIC AND ELEMENTARY ALGEBRA
1.2.2. Addition and Multiplication of Numbers
1.2.2-1. Addition of...
... each of the semiaxes of its domain;
it has no points of extremum and does not cross the coordinate axes. It has two horizontal
asymptotes: y =–1 (as x → –∞)andy = 1 (as x → +∞). The graph of the ... its domain with no points of extremum. The graph
of the function y =sinhx is given in Fig. 2.14.
2.4.1-3. Hyperbolic cosine: y =coshx.
This function is defined for all x, and its...
... cosine of each part is equal to the product of sines of the two parts not adjacent to it, as
well as to the product of the cotangents of the two parts adjacent to it.
References for Chapter 3
Alexander, ... 3.6.
Solution of spherical triangles
No.
Three parts
specified
Formulas for the remaining parts
1 Three sides
a, b, c
The angles α, β ,and are determined by the half-angle...
... ith row and jth column of the matrix C is equal to the sum of
products of the respective entries in the ith row of A and the jth column of B. Note that
the product is defined for matrices of compatible ... positive for x = 2. Therefore,
c = 2 is an upper bound for the positive roots of the given polynomial.
5.1.5-5. Theorems on the number of real roots of polynomial...
... solutions of the nonhomogeneous system (5.5.1.1) and solutions of
the corresponding homogeneous system (5.5.1.3).
1. The sum of any solution of the nonhomogeneous system (5.5.1.1) and any solution of
the ... of system (5.5.1.1).
2. The difference of any two solutions of the nonhomogeneous system (5.5.1.1) is a solution
of the homogeneous system (5.5.1.3).
3. The sum of...
... York, 1990.
Mangulis, V., Handbook of Series for Scientists and Engineers, Academic Press, New York, 1965.
Pinkus, A. and Zafrany, S., Fourier Series and Integral Transforms, Cambridge University ... Criteria of Uniform and Mean-Square Convergence of Fourier
Series
8.4.3-1. Criteria of uniform convergence of Fourier series.
LIPSCHITZ CRITERION.
The Fourier series of a...
... integration
11.4. Various Forms of the Fourier Transform
11.4.1. Fourier Transform and the Inverse Fourier Transform
11.4.1-1. Standard form of the Fourier transform.
The Fourier transform is defined as ... tables of direct and inverse Laplace
and Fourier transforms.
11.4. VARIOUS FORMS OF THE FOURIER TRANSFORM 443
TABLE 11.3
Main properties of the Mellin transform
No. Function...
... ele-
ments are randomly drawn without replacement from a population of N elements containing
exactly Np elements of type I and N(1 – p) elements of type II. The number of elements
of type I in the ... density (a) and cumulate distribution (b) functions of exponential distribution
for λ = 2.
The cumulative distribution function (see Fig. 20.8b) and the characteristic functi...
... 1954.
Ditkin, V. A. and Prudnikov, A. P., Integral Transforms and Operational Calculus, Pergamon Press, New
York, 1965.
Oberhettinger, F., Tables of Fourier Transforms and Fourier Transforms of Distributions, ... x
References for Chapter T3
Bateman, H. and Erd
´
elyi, A., Tables of Integral Transforms. Vol. 1, McGraw-Hill, New York, 1954.
Bateman, H. and Erd
´
elyi, A., Tabl...
... solution. For λ = 0,we
have a solution in the form of the product of two functions dependent on time t and the
coordinate x.
T10.3.1-4. Arbitrary functions depend on the sum of squares of the unknowns.
19.
∂u
∂t
= ... leads to an equation of similar form for
U and W .
7.
∂u
∂t
= a
∂
2
u
∂x
2
+ uf
u
w
+ g
u
w
,
∂w
∂t
= a
∂
2
w
∂x
2
+ wf
u
w
+ h
u
w
.
L...