e426.m

学习Matlab循环语句的好例子

% Script file:E426.m
% Purpose:
% Calculate harmonic mean
% record of revision

%define variables

n=input('Enter the data number:');
sumx=0;
for ii=1:n
    x(ii)=input('Enter the data:');
    if x(ii)==0
        disp('the data that you input is invalid!,Please re-input');
        x(ii)=input('Enter the data:');
    end
    sumx=sumx+1/x(ii);
end
hmean=n/sumx