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Manual Reference Pages  -  MATH::GSL::COMPLEX (3)

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copy()

Returns a copy of the Complex number, which resides at a different location in memory.



    my $z    = Math::GSL::Complex->new([10,5]);
    my $copy = $z->copy;



NAME

Math::GSL::Complex - Complex Numbers

CONTENTS

SYNOPSIS



    use Math::GSL::Complex qw/:all/;
    my $complex = Math::GSL::Complex->new([3,2]); # creates a complex number 3+2*i
    my $real = $complex->real;                    # returns the real part
    my $imag = $complex->imag;                    # returns the imaginary part
    $complex->gsl_set_real(5);                    # changes the real part to 5
    $complex->gsl_set_imag(4);                    # changes the imaginary part to 4
    $complex->gsl_set_complex(7,6);               # changes it to 7 + 6*i
    ($real, $imag) = $complex->parts;             # get both at once



DESCRIPTION

Here is a list of all the functions included in this module :
gsl_complex_arg($z) Return the argument of the complex number $z
gsl_complex_abs($z) Return |$z|, the magnitude of the complex number $z
gsl_complex_rect($x,$y) Create a complex number in cartesian form $x + $y*i
gsl_complex_polar($r,$theta) Create a complex number in polar form $r*exp(i*$theta)
gsl_complex_abs2($z) Return |$z|^2, the squared magnitude of the complex number $z
gsl_complex_logabs($z) Return log(|$z|), the natural logarithm of the magnitude of the complex number $z
gsl_complex_add($c1, $c2) Return a complex number which is the sum of the complex numbers $c1 and $c2
gsl_complex_sub($c1, $c2) Return a complex number which is the difference between $c1 and $c2 ($c1 - $c2)
gsl_complex_mul($c1, $c2) Return a complex number which is the product of the complex numbers $c1 and $c2
gsl_complex_div($c1, $c2) Return a complex number which is the quotient of the complex numbers $c1 and $c2 ($c1 / $c2)
gsl_complex_add_real($c, $x) Return the sum of the complex number $c and the real number $x
gsl_complex_sub_real($c, $x) Return the difference of the complex number $c and the real number $x
gsl_complex_mul_real($c, $x) Return the product of the complex number $c and the real number $x
gsl_complex_div_real($c, $x) Return the quotient of the complex number $c and the real number $x
gsl_complex_add_imag($c, $y) Return sum of the complex number $c and the imaginary number i*$x
gsl_complex_sub_imag($c, $y) Return the diffrence of the complex number $c and the imaginary number i*$x
gsl_complex_mul_imag($c, $y) Return the product of the complex number $c and the imaginary number i*$x
gsl_complex_div_imag($c, $y) Return the quotient of the complex number $c and the imaginary number i*$x
gsl_complex_conjugate($c) Return the conjugate of the of the complex number $c (x - i*y)
gsl_complex_inverse($c) Return the inverse, or reciprocal of the complex number $c (1/$c)
gsl_complex_negative($c) Return the negative of the complex number $c (-x -i*y)
gsl_complex_sqrt($c) Return the square root of the complex number $c
gsl_complex_sqrt_real($x) Return the complex square root of the real number $x, where $x may be negative
gsl_complex_pow($c1, $c2) Return the complex number $c1 raised to the complex power $c2
gsl_complex_pow_real($c, $x) Return the complex number raised to the real power $x
gsl_complex_exp($c) Return the complex exponential of the complex number $c
gsl_complex_log($c) Return the complex natural logarithm (base e) of the complex number $c
gsl_complex_log10($c) Return the complex base-10 logarithm of the complex number $c
gsl_complex_log_b($c, $b) Return the complex base-$b of the complex number $c
gsl_complex_sin($c) Return the complex sine of the complex number $c
gsl_complex_cos($c) Return the complex cosine of the complex number $c
gsl_complex_sec($c) Return the complex secant of the complex number $c
gsl_complex_csc($c) Return the complex cosecant of the complex number $c
gsl_complex_tan($c) Return the complex tangent of the complex number $c
gsl_complex_cot($c) Return the complex cotangent of the complex number $c
gsl_complex_arcsin($c) Return the complex arcsine of the complex number $c
gsl_complex_arcsin_real($x) Return the complex arcsine of the real number $x
gsl_complex_arccos($c) Return the complex arccosine of the complex number $c
gsl_complex_arccos_real($x) Return the complex arccosine of the real number $x
gsl_complex_arcsec($c) Return the complex arcsecant of the complex number $c
gsl_complex_arcsec_real($x) Return the complex arcsecant of the real number $x
gsl_complex_arccsc($c) Return the complex arccosecant of the complex number $c
gsl_complex_arccsc_real($x) Return the complex arccosecant of the real number $x
gsl_complex_arctan($c) Return the complex arctangent of the complex number $c
gsl_complex_arccot($c) Return the complex arccotangent of the complex number $c
gsl_complex_sinh($c) Return the complex hyperbolic sine of the complex number $c
gsl_complex_cosh($c) Return the complex hyperbolic cosine of the complex number $cy
gsl_complex_sech($c) Return the complex hyperbolic secant of the complex number $c
gsl_complex_csch($c) Return the complex hyperbolic cosecant of the complex number $c
gsl_complex_tanh($c) Return the complex hyperbolic tangent of the complex number $c
gsl_complex_coth($c) Return the complex hyperbolic cotangent of the complex number $c
gsl_complex_arcsinh($c) Return the complex hyperbolic arcsine of the complex number $c
gsl_complex_arccosh($c) Return the complex hyperbolic arccosine of the complex number $c
gsl_complex_arccosh_real($x) Return the complex hyperbolic arccosine of the real number $x
gsl_complex_arcsech($c) Return the complex hyperbolic arcsecant of the complex number $c
gsl_complex_arccsch($c) Return the complex hyperbolic arccosecant of the complex number $c
gsl_complex_arctanh($c) Return the complex hyperbolic arctangent of the complex number $c
gsl_complex_arctanh_real($x) Return the complex hyperbolic arctangent of the real number $x
gsl_complex_arccoth($c) Return the complex hyperbolic arccotangent of the complex number $c
gsl_real($z) Return the real part of $z
gsl_imag($z) Return the imaginary part of $z
gsl_parts($z) Return a list of the real and imaginary parts of $z
gsl_set_real($z, $x) Sets the real part of $z to $x
gsl_set_imag($z, $y) Sets the imaginary part of $z to $y
gsl_set_complex($z, $x, $h) Sets the real part of $z to $x and the imaginary part to $y

EXAMPLES

This code defines $z as 6 + 4*i, takes the complex conjugate of that number, then prints it out.



    my $z = gsl_complex_rect(6,4);
    my $y = gsl_complex_conjugate($z);
    my ($real, $imag) = gsl_parts($y);
    print "z = $real + $imag*i\n";



This code defines $z as 5 + 3*i, multiplies it by 2 and then prints it out.



    my $x = gsl_complex_rect(5,3);
    my $z = gsl_complex_mul_real($x, 2);
    my $real = gsl_real($z);
    my $imag = gsl_imag($z);
    print "Re(\$z) = $real\n";



AUTHORS

Jonathan Duke Leto <jonathan@leto.net> and Thierry Moisan <thierry.moisan@gmail.com>

COPYRIGHT AND LICENSE

Copyright (C) 2008-2014 Jonathan Duke Leto and Thierry Moisan

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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