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The Maxima on-line user's manual

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M1pbranch

-- Option variable: m1pbranch Default value: false

m1pbranch is the principal branch for -1 to a power. Quantities such as (-1)^(1/3) (that is, an "odd" rational exponent) and (-1)^(1/4) (that is, an "even" rational exponent) are handled as follows:

domain:real

(-1)^(1/3): -1 (-1)^(1/4): (-1)^(1/4)

domain:complex m1pbranch:false m1pbranch:true (-1)^(1/3) 1/2+%i*sqrt(3)/2 (-1)^(1/4) sqrt(2)/2+%i*sqrt(2)/2

(%o1)                                true
(%i2) 

Related Examples

m1pbranch

? m1pbranch;

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m1pbranch

? m1pbranch;

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