浙大 PTA练习系统数值分析NA1003 三角追赶法的应用-One day, CYLL found an interesting piece of commercial newspaper: the Cyber-restaurant was offering a kind of Lunch Special which was said that one could buy one get two for free . That is, if you buy one of the dish

浙大PTA练习系统NA1004 比较雅各比迭代和高斯塞德尔迭代-Use Jacobi and Gauss-Seidel methods to solve a given n×n linear system A x ⃗ = b ⃗ with an initial approximation x ⃗ (0) . Note: When checking each a ii , first sca