"SI" <[email protected]> 撰写於邮件新闻:[email protected]... > 简单的来说，国中的 generalizde function 就是Ax=b > x=(adjA/detA)b这里有一个古典伴随矩阵adjA的观念， > 上面这个解工程书几乎不引用。 > > 所幸我们能从外文网站找到有关 generalized function > The class of all regular sequences of particularly well-behaved functions > equivalent to a given regular sequence. A distribution is sometimes also > called a "generalized function" or "ideal function." As its name implies, > a generalized function is a generalization of the concept of a function. > For example, in physics, a baseball being hit by a bat encounters a force > from the bat, as a function of time. Since the transfer of momentum from > the bat is modeled as taking place at an instant, the force is not > actually a function. Instead, it is a multiple of the delta function. The > set of distributions contains functions (locally integrable) and Radon > measures. Note that the term "distribution" is closely related to > statistical distributions. ...e.t.c. > ---上面可能是原因。 > --问 数学界不给工程书(Ax=b)正确答案的原因﹖ 老兄，你所说的general function(或distribution) 与Ax=b的解没啥关系！