Scilab-Branch-5.3-GIT
- Scilab help
- Elementary Functions
- bitwise
- Complex
- Discrete mathematics
- elementarymatrices
- Floating point
- Integer representation
- matrixmanipulation
- matrixoperations
- searchandsort
- setoperations
- signalprocessing
- symbolic
- Trigonometry
- abs
- amell
- and
- &
- cat
- cell2mat
- cellstr
- char
- delip
- diff
- exp
- inttrap
- isdef
- isempty
- isequal
- isequalbitwise
- isvector
- log
- log10
- log1p
- log2
- logm
- lstsize
- max
- maxi
- min
- mini
- modulo
- ndims
- norm
- or
- |
- pertrans
- sign
- signm
- size
- sort
- sqrt
- sqrtm
- squarewave
- toeplitz
- typeof
Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function
log
自然対数
呼び出し手順
y=log(x)
パラメータ
- x
定数ベクトルまたは定数行列
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.
例
exp(log([1,%i,-1,-%i]))
<< isvector | Elementary Functions | log10 >> |