These Simulink blocks contain transfer functions that model the pressure and flow transients for axisymmetric 2D viscous flow of a compressible fluid in a straight rigid circular cross section pipelines. Three models are available: (1) pressure

Armstrong数具有如下特征：一个n位数等于其个位数的n次方之和。如： 153＝13＋53＋33 1634＝14＋64+34+44 找出2、3、4、5位的所有Armstrong数。-Armstrong number has the following characteristics: a n digits equal to its n-th power, and in the single digits. Such as: 153 = 13+53+33 1634 =

建立一个命令M-文件：求所有的“水仙花数”，所谓“水仙花数”是指一个三位数，其各位数字的立方和等于该数本身。例如，153是一个水仙花数，因为153=13+53+33。-set a shuixian m_file

modern control systems lesson book (Dorf) page 153 problem solution matlab simulink