To approximate an expression with exact values

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1) 1.0/3*exp(1)*sin(2)
ans =
0.8239
BUT when I used command,
2) float(1.0/3*exp(1)*sin(2))
Error using float (line 46)
The input argument to float was not a supported type. The only recognized strings are 'single'
and 'double'. The input type was 'double'.
How can I get an expression with exact values?

Accepted Answer

Walter Roberson
Walter Roberson on 18 Apr 2014
You do not need the float(). You need
format long g
1.0/3*exp(1)*sin(2)

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