07-06.txt

《MATLAB R2007基础教程》 清华大学出版社,包含电子课件,实例原文件,习题答案,都是基于matlab实现

function ifboth(a,b)
if a > 0 && b > 0
    disp('a and b are both larger than 0.');
elseif a > 0 && b < 0
    disp('a is larger than 0, and b is smaller than 0.');
elseif a < 0 && b > 0
    disp('a is smaller than 0,and b is larger than 0.');
else
    disp('a and b are both smaller than or equal to 0.');
end
disp('Done');

>> a=44;b=58;
>> ifboth(a,b)

>> a=44;b=-58;
>> ifboth(a,b)