Finite differences and numerical integration (Simpson's and Trapezoidal rules).
: Unlike some entry-level texts, Jain & Iyengar is known for dealing with concepts at a "very high level" that is still understandable. Critical Comparisons advance engineering mathematics rk jain pdf best
: Comprehensive mechanics of first-order, higher-order linear equations, and series solutions including Legendre and Bessel functions. higher-order linear equations
Cauchy’s Integral Theorem, Cauchy’s Integral Formula, and Taylor/Laurent series. Cauchy’s Integral Formula