所屬科目:台大◆化工◆工程數學(E)
4. (10%) Produce a matrix P that diagonalizes the matrix below:
5. (10%) Find the general solutions of
6. (25%) Let u-u(x,y,t) be a function of the space (x.y) and the time t. S=S(s,f) is a function of x and t, and cl and co are constant. Determine whether the method of separation of variables is applicable to the following partial differential equations or not (each has 5 %). The rationale behind your answer needs be given; otherwise, it will not be credited.
7. (25%) Let u=u(xy) be a function of x and y. (x), g(x), f1(y), and g1(y) are given; K and L are positive constant. Solve the problem: