Introduction to numerical analysis

Error

Functions and Calculus

Interpolation & numerical differentiation

Fitting

Numerical integration

Solving Equations

Numerical linear algebra

Direct methods

Iteration methods

Eigenvalues & eigenvectors

Notes:

  • 用高斯消元法求解时,比较计算后和计算前的主对角元,比值越小、解的精度就少多少
  • 系数矩阵条件数在百亿量级(1e10)时,解的精度大概只有1e-3或1e-4。——陈璞

Nonlinear equations

Ordinary differential equations


🏷 Category=Computation