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70 lines
1.3 KiB
Plaintext
70 lines
1.3 KiB
Plaintext
.TH "lib/cplex/cacosh.c" 3 "Tue Jan 24 2017" "Version 1.6.2" "amath" \" -*- nroff -*-
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.ad l
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.nh
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.SH NAME
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lib/cplex/cacosh.c \-
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.SH SYNOPSIS
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.br
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.PP
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\fC#include 'prim\&.h'\fP
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.br
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\fC#include 'math\&.h'\fP
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.br
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\fC#include 'complex\&.h'\fP
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.br
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.SS "Functions"
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.in +1c
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.ti -1c
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.RI "\fBcomplex\fP \fBcacosh\fP (\fBcomplex\fP z)"
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.br
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.RI "\fIInverse hyperbolic cosine of complex number\&. \fP"
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.in -1c
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.SH "Function Documentation"
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.PP
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.SS "\fBcomplex\fP cacosh (\fBcomplex\fP z)"
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.PP
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Inverse hyperbolic cosine of complex number\&.
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.PP
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\fBVersion:\fP
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.RS 4
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1\&.1
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.RE
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.PP
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\fBDate:\fP
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.RS 4
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15/03/03
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.RE
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.PP
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Inverse hyperbolic cosine expressed using complex logarithms:
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.PP
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.nf
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acosh(z) = log(z + sqrt(z*z - 1))
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.fi
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.PP
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More info is available at Wikipedia:
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.br
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http://en.wikipedia.org/wiki/Inverse_hyperbolic_function#Logarithmic_representation
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.PP
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Definition at line 43 of file cacosh\&.c\&.
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.PP
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References cadd(), clog(), cmul(), cpack(), csqrt(), and csub()\&.
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.PP
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Referenced by ComplexNumber::HypArcCosine()\&.
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.PP
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.nf
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44 {
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45 complex one = cpack(1\&.0, 0\&.0);
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46 complex a = csub(cmul(z, z) , one);
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47 complex b = cadd(z, csqrt(a));
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48 complex w = clog(b);
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49 return w;
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50 }
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.fi
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.SH "Author"
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.PP
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Generated automatically by Doxygen for amath from the source code\&.
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