- 输入语句
?x=input('please input a number:')please input a number:22x = 22
输入字符串
?x=input('please input a string:','s')please input a string:this is a stringx = this is a string
- 输出语句
自由格式 (disp)
?disp(23+454-29*4)361?disp([11 22 33; 44 55 66; 77 88 99])11 22 3344 55 6677 88 99
?disp('this is a string')this is a string
格式化输出 (fprintf)
fprintf('The area is %8.5f ', area) % 注意输出格式前须有%符号,%跳行符号须有符号The area is 12.56637
%8.5f 输出值为8位数含5位小数
错误消息显示命令
?error('this is an error')
??? this is an error