《数字信号处理》教学参考资料（Numerical Recipes in C，The Art of Scientific Computing Second Edition）Chapter 09.1 Root Finding and Nonlinear Sets of Equations 9.1 Bracketing and Bisection
《数字信号处理》教学参考资料（Numerical Recipes in C，The Art of Scientific Computing Second Edition）Chapter 09.3 Root Finding and Nonlinear Sets of Equations 9.3 Van Wijngaarden–Dekker–Brent Method
《数字信号处理》教学参考资料（Numerical Recipes in C，The Art of Scientific Computing Second Edition）Chapter 09.5 Root Finding and Nonlinear Sets of Equations 9.5 Roots of Polynomials
