Re

可用

Returns the real part of a number.

形式

Re[z]

验证过的示例Re[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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用于

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

主题

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 »

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