经典数值算法程序实现
....................\二分法.cpp
....................\列主元高斯消去法.cpp
....................\四阶阿当姆斯预测-校正公式.cpp
....................\复化辛卜生公式.cpp
....................\幂法.cpp
....................\拉格郎日插值多项式.cpp
....................\改进欧拉法.cpp
....................\最小二乘法.cpp
....................\牛顿值多项式.cpp
....................\牛顿迭代法.cpp
....................\自适应梯形公式（变步长）.cpp
....................\雅可比迭代法.cpp
....................\高斯-赛德尔迭代法.cpp
....................\龙格-库塔算法.cpp
....................\龙贝格算法.cpp