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Scilabヘルプ >> Elementary Functions > Complex > real

real

実部

呼び出し手順

[y] = real(x)

引数

x

実数または複素数のベクトルまたは行列

y

実数の行列

説明

real(x)xの実部です. ( 複素数を入力するには%iを参照ください).

real([1 %i 2])
real(1+0*%i)
real(2+3*%i)
real(1+%s)
real(sprand(3,3,0.1))

// With polynomials:
A = [1-%i*%z (%z-%i)^2]
real(A)

// With rationals:
A = [ %z/(1-%z)  (1-%z)/%z^2];
B = A(1,[2 1])
C = A + %i*B
A, real(C)

参照

履歴

バージョン記述
6.0 Extension to rationals
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<< isreal Complex Discrete mathematics >>

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