<< expm Exponential log10 >>

Scilab Help >> Elementary Functions > Exponential > log

log

自然対数

呼び出し手順

y = log(x)

引数

x, y

arrays of real or complex numbers, of any number of dimensions and of any identical sizes.

説明

log(x) は"要素毎の" 対数です. y(i,j)=log(x(i,j)). 行列の対数の場合, logmを使用してください.

log(…) can be overloaded for unsupported input types.

exp(log([1,%i,-1,-%i]))

参照


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