1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
.TH atanh 1 "April 1993" "Scilab Group" "Scilab Function"
.so ../sci.an
.SH NAME
atanh - hyperbolic tangent inverse
.SH CALLING SEQUENCE
.nf
t=atanh(x)
.fi
.SH PARAMETERS
.TP 10
x
: real or complex vector/matrix
.TP 10
t
: real or complex vector/matrix
.SH DESCRIPTION
The components of vector \fVt\fR are the hyperbolic tangent inverse of the
corresponding entries of vector \fVx\fR.
Definition domain is ]-1,1[
.LP
This function takes values in
.IG
.nf
] inf,inf[ x ]-pi/2,pi/2[
]-inf, 0 [ x [-pi/2]
and ] 0 ,inf[ x [pi/2]
.fi
.FI
\" This is for LaTeX
.LA $$ ]-\infty +\infty[\times ] -\pi/2,\pi/2[ $$
.LA $$ [-\infty,0[ \times [-\pi/2] \quad\mbox{and}
.LA \quad ]0,\infty[ \times [\pi/2] \quad \mbox{(real x imag)} $$
.SH EXAMPLE
.nf
x=[0,%i,-%i]
tanh(atanh(x))
.fi
|
