The Chinese people long ago know that every real problem

送交者: gyro 于 2010-08-02, 13:34:33:

回答: With a factor of 13 for uncertainty, all 由 gyro 于 2010-08-02, 13:25:24:

is a linear problem if you start with a good draft design. So they only consider linear problems, and they are pretty good at linear algebra.