e421.asv

学习Matlab循环语句的好例子

% Script file: E421.m

% Purpose:
% Write a program to determine the idistance d at which
% to attach the cable to the pole to minimize the tension on the cable.
% in d=1:1:7,also plot the tension on the cable as a function of d.

% Record of revisions
%   Date            Programmer         Description of change
% ==========    =================    ==========================
% 13/06/08          ZMW                Original code

% Define Variables
% T  ------the tension on the cable
% d  ------ the distance along the pole at which the cable is attached
% ii  --------the index

% Constants
lc=8;
lp=8;
W=200;
ii=1;
for d=1:1:7
    T(ii)=W*lc*lp./(d*sqrt(lp^2-d.^2));