matlab输入输出语句,input、disp、fprintf - 温柔的机械猫
matlab输入输出语句(input、disp、fprintf)
- 输入语句
?x=input(\'please input a number:\')
please input a number:22
x = 22
输入字符串
?x=input(\'please input a string:\',\'s\')
please input a string:this is a string
x = 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 33
44 55 66
77 88 99
?disp(\'this is a string\')
this is a string
格式化输出 (fprintf)
fprintf(\'The area is %8.5f\n\', 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