说明：  采用理论求解；霍尔茨法；雅克比法；矩阵迭代；求解100个弹簧100个质量块组成的质量—弹簧系统的无阻尼固有频率，
(Using theoretical solution; Holtz method; Jacobian method; matrix iteration; solving the undamped natural frequency of a mass spring system composed of 100 springs and 100 masses)