如何在MATLAB中更改已求解方程的显示 [英] How to change display of solved equations results in matlab

问题描述

当我求解三个方程组时，我得到了:

When I solved system of three equations I got e.g.:

ans =

(220187671*1019780050779217710933721438668552804739490^(1/2))/130153889126365944306728960 - 2474730277849696199777672339/3425102345430682744913920
 - (220187671*1019780050779217710933721438668552804739490^(1/2))/130153889126365944306728960 - 2474730277849696199777672339/3425102345430682744913920

如何将结果更改为点后3个位置的精度?例如:

How can I change this result to result with accuracy of 3 places after dot? for example:

ans = 123.123

推荐答案

vpa(variable,3)

这将显示变量"，其精度为3个十进制数字.

This will display 'variable' with 3 decimal digit accuracy.

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