Jakobin matrix的用法和樣例：
例句
- The Jacobian matrix of the parallel manipulator had been derived by taking the derivative of the constraint equations.
利用對機構約束方程求導數法得到機構的雅可比矩陣。 - Some improvements are made on the Jacobian matrix direct-conversion method and its application is expanded from the reactive power optimization to the general OPF.
其中，在現有的潮流雅可比矩陣直接變換法的基礎上做了一定的改進，並將在無功優化模型上所做的研究擴充到通用的最優潮流模型上。
