linear algebraic:
1. Defination of linear dependence
2. Defination of eigenvalue & eigenvector
3. 4*4的方阵A,A*x=B,如果这个方程组有两个解,能否找出五个解. Waral dи,
4. 矩阵是否可逆和矩阵能否半角化有木有关系
-baidu 1point3acres
statistics:
1. 有人说95%的confidence interval意味着有95%的值落在这个confidence interval里,是否赞同?
2. Distribution of annual income? Right skewed, left distribution or symmetry?
3. Defination of percentile
4. What is Central Limit Theorem. From 1point 3acres bbs
Python:
问了我五道Python题,问输出结果,都挺简单的,返回中位数,单位矩阵啥的.
. From 1point 3acres bbs
祝大家offer手到擒来!
BTW,求组织啊求组织,求大米啊求大米.--