Re

Available

Returns the real part of a number.

Forms

Re[z]

Verified examplesRe[5] → 5 Re[3.14] → 3.14 Re[3 + 4*I] → 3 Re[2 E^(Pi I/25)] → 2*Cos[Pi/25]

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Used in

Place multiple legends differently - 1 step
Fractal explorations - 2 steps
Localize variables with Block - 2 steps
Constrained optimization exact optimization by cylindrical algebraic decomposition - 3 steps

Topics

Complex Numbers - General
Functions Of Complex Variables - Basic Functions »
GPU Computing - Mathematical Functions »
GPU Computing-NVIDIA - Mathematical Functions »
Mathematical Functions - Complex Numbers »
Numerical Evaluation And Precision - Complex Numbers »

Related

Im ReIm Abs Arg ComplexExpand Complex I Surd Conjugate Sign Accumulate ArcCos

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