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Multiple Possible Roots in Expression

 

Description

Examples

See Also

Description

The error occurs when evalf or convert are passed expressions that possibly contain multiple roots.

Examples

Example 1
 

e  RootOfx^2x1, 5..5

e:=RootOf_Z2_Z1,5..5

(2.1)

evalfe

Error, (in evalf/RootOf) there are multiple values encoded in RootOf(_Z^2-_Z-1, -5 .. 5)

The actual roots of x^2x1 are 12+52, 1252.

Example 2

 

convertRootOfx^2x2,2..2 , RootOf, form=index;

 

Error, (in convert/RootOf) multiple roots encoded in RootOf(_Z^2-_Z-2, -2 .. 2)

The actual roots of x^2x2 are 2 , 1.

See Also

examples,RootOf