PHYSICS 242   Advanced Calculus for Applications in Physics
COURSE CONTENT
- vector analysis
- divergence and curl of vector fields
- conservative vector fields
- vector identities
- integral calculus
- line, surface and volume integrals of vector fields
- Stoke's theorem
- the divergence theorem
- curvilinear coordinates
- plane polar coordinates
- cylindrical coordinates
- spherical polar coordinates
- Dirac Delta function
- some properties satisfied by the Dirac delta function
- point charges and the Dirac delta function,
the Laplacian of the inverse-r potential
- Dirac delta in curvilinear coordinates
- operations on integrals
- some elementary techniques on evaluation of integrals:
introducing complex varables, change of variable(s),
differentiation or integration with respect to a parameter
- integration by parts
- Gauss numerical quadrature for integration,
relevance to the classical orthogonal polynomials.
- Leibnitz´s rule: differentiation of integrals involving a parameter
- evaluation of some definite integrals using the residue theorem,
contour integration in the complex plane
- gamma, beta and error functions
- the gamma function: definite-integral representation, Stirling's asymptotic formula
incomplete gamma functions and recursion relations
- the Beta function, evaluation of some definite integrals in terms of the Beta function,
- The error function: relationship to the normal probability density
- integral equations
- classification: Fredholm and Volterra integral equations
of homogeneous or inhomogeneous types and of the first or second kinds
- transformation of a differential equation into an integral equation
- converting a Volterra integral to an initial value problem
- Neumann series solution
- separable Kernel solution
- approximations achieved by guessing the solution
- solutions achieved by a suitable approximation for the Kernel
- integral equations that involve generating functions of special polynomials
- non-linear integral equations
- integro-differential equations
- functions of a complex variable
- Line integral of complex functions
- analyticity, Cauchy-Riemann conditions
- Stoke's theorem
- Cauchy integral formula for a regular function f(z) and for its derivatives
- singularities, poles, residues
- residue theorem
- contour integration: evaluation of definite integrals
of rational functions of powers, exponentials, and trigonometric functions
- treatment of functions involving branches
- Fourier series