The simulation results showed that this method had its own advantage in modeling general dynamical system, especially in modeling complex non-linear dynamical system.

研究结果表明，此方法对于一般动态系统，特别是复杂的非线性动态系统的建模有其独特的优点。

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Based on biconjugate gradient method, we redefine inner products using general variation principle, which can make complex linear equations solving have high-performance.

在一般双共轭梯度法的基础上，本文利用广义变分原理对内积进行了重新定义，使双共轭梯度法求解复线性方程组更为有效。

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With the variable replacement method, general solution formulae were given to the linear differential systems with complex constant coefficients and that with a class of complex variable coefficients.

采用降阶和特征根 （欧拉 ）方法 ，给出了一类三维二阶常系数微分方程组的通解公式 ，并通过算例与拉氏变换法进行了比较。

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With the variable replacement method, general solution formulae were given to the linear differential systems with complex constant coefficients and that with a class of complex variable coefficients.

采用降阶和特征根 （欧拉 ）方法 ，给出了一类三维二阶常系数微分方程组的通解公式 ，并通过算例与拉氏变换法进行了比较。

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