这应该很简单,但我似乎无法在任何地方找到答案:
我有一个2x2矩阵,它是通过使用adjoint / determinant计算的。 返回的矩阵是愚蠢的大。
+- -+
| s + 6/5 4830385804397659 |
| --------------------------------------------------------------------------------------------, - ----------------------------------------------------------------------------------------------------------------- |
| 2 24700384724018671 s / 2 24700384724018671 s \ |
| s + ------------------- - 119336023372378697084501879995957/1584563250285286751870879006720 9007199254740992 | s + ------------------- - 119336023372378697084501879995957/1584563250285286751870879006720 | |
| 1407374883553280 \ 1407374883553280 / |
| |
| 6228340816450595 s + 4602306972750947/281474976710656 |
| - ---------------------------------------------------------------------------------------------------------------, -------------------------------------------------------------------------------------------- |
| / 2 24700384724018671 s \ 2 24700384724018671 s |
| 35184372088832 | s + ------------------- - 119336023372378697084501879995957/1584563250285286751870879006720 | s + ------------------- - 119336023372378697084501879995957/1584563250285286751870879006720 |
| \ 1407374883553280 / 1407374883553280 |
+- -+
我想将细胞缩短一点,比如s * 1.7551e + 01。
是的,s是象征性的,我想评估系数或至少用科学记数法表达它们。我试过format short e
和ad./detr
没有运气。
提前谢谢
答案 0 :(得分:0)
我正在寻找的功能是vpa()
在这种情况下的用法:vpa(ad./detr)
现在给出:
+- -+
| s + 1.2 0.53628055378647887518894776803791 |
| ----------------------------------------------------------------------------, - ---------------------------------------------------------------------------- |
| 2 2 |
| s + 17.550678936131213703220055322163 s - 75.311618738408384768789333762935 s + 17.550678936131213703220055322163 s - 75.311618738408384768789333762935 |
| |
| 177.0200929186840710372052853927 s + 16.350678936131213703220055322163 |
| - ----------------------------------------------------------------------------, ---------------------------------------------------------------------------- |
| 2 2 |
| s + 17.550678936131213703220055322163 s - 75.311618738408384768789333762935 s + 17.550678936131213703220055322163 s - 75.311618738408384768789333762935 |
+- -+
>>