function?[rel?rer]?=?interval_add（Al?Ar?Bl?Br）
[ma?na]?=?size（Al）;
[mb?nb]?=?size（Bl）;
rel?=?Al?+?Bl;
rer?=?Ar?+?Br;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????131??2019-04-23?19:37??interval_sub.m

?????文件????????133??2019-04-23?19:36??interval_add.m

?????文件????????292??2019-04-24?15:08??interval_dev.m

?????文件????????238??2019-04-24?15:06??interval_exp.m

?????文件????????260??2019-04-24?15:06??interval_mul.m

-----------?---------??----------?-----??----

?????????????????1054????????????????????5