todo

来自「该文件为c++的数学函数库!是一个非常有用的编程工具.它含有各种数学函数,为科学」· 代码 · 共 8 行

The following would also be nice additions to the multifit function suite
(see MS Excel regression output for example):

1. Produce the correlation coefficient (r) and other statistics.
2. Allow fit variable weighting (not observation weighting).
3. Allow for principal factor computations.