3110001043修改版\2题cholesky分解.cpp
................\2题LDLT分解.cpp
................\3题.cpp
................\4题雅克比.cpp
................\4题高斯赛德尔l.cpp
................\5题第1问.cpp
................\5题第2问.cpp
................\5题第3第4问.cpp
................\7题.cpp
3110001043修改版