本文提出了对复变特征方程求根的一种系统逼近程序。
In this paper, a successive approximation procedure for calculating eigenvalues of the complex characteristic equation is proposed.
通过对非线性方程求根牛顿迭代法的分析，给出牛顿迭代法的一种新的加速技巧，并通过数值算例验证所作的理论分析。数值结果表明该加速方法是行之有效的。
By analyzing the Newton iterative method for nonlinear equation, a new acceleration technique of Newton method is proposed. Numerical results indicate that the acceleration method is effective.
针对线性定常闭环系统特征方程的求根问题，提出了一种基于演化算法的实因式分解法。
A real factorization method based on evolutionary algorithms is proposed for finding tbe roots of the characteristic equation of a linear time-invariant closed-loop system.
应用三元数运算，推导得到了一般三次代数方程的求根公式，结果证明与卡尔丹公式是一致的。
Applying the operation on three ary number, we got the formula that was applied to seeking the roots of normally cubic equation, and proved that the result is consistent with Cardans formula.
用倍角公式可将该三角函数方程转化成一个四次代数方程，然后用求根公式直接求出解析解。
Double Angle formula can transform the circular function equation to a biquadratic algebraic equation, and the analysis solution can be solved by extract equation directly.
多项式，包括二次求根，三次方程式，余部定理。
Polynomials, including relationships involving the roots of quadratic and cubic equations, the remainder theorem.
另外也有几堂课用来求解非线性方程式，包括求根；
Several lectures are devoted to solving non-linear equations, including root finding.
利用一元二次方程的求根公式构造二元二次方程组的迭代算法，通过图解二元二次方程组的解来说明迭代算法在实践中的应用。
In this paper, the author gives the formula of roots of a quadric equation over a field of 2 k elements and presents the problem.
根据这种关系，可以用方程迭代求根方法中的增值寻根法和对分法，使网格边界正交化。
Based on this relation, boundary orthogonalization can be achieved by the search method of stepwise extension and the bisection algorithm with iterative methods in solving equations.
根据这种关系，可以用方程迭代求根方法中的增值寻根法和对分法，使网格边界正交化。
Based on this relation, boundary orthogonalization can be achieved by the search method of stepwise extension and the bisection algorithm with iterative methods in solving equations.
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