@menu
* Introduction to Numerical::   
* Fourier packages::                     
* Definitions for Numerical::   
* Definitions for Fourier Series::
@end menu

@node Introduction to Numerical, Fourier packages, Numerical, Numerical
@section Introduction to Numerical

@node Fourier packages, Definitions for Numerical, Introduction to Numerical, Numerical
@section Fourier packages

@node Definitions for Numerical, Definitions for Fourier Series, Fourier packages, Numerical
@section Definitions for Numerical

@deffn {Function} polartorect (@var{magnitude_array}, @var{phase_array})
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@end deffn

@deffn {Function} recttopolar (@var{real_array}, @var{imaginary_array})
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@end deffn

@deffn {Function} ift (@var{real_array}, @var{imaginary_array})
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@end deffn

@deffn {Function} fft (@var{real_array}, @var{imaginary_array})
@deffnx {Function} ift (@var{real_array}, @var{imaginary_array})
@deffnx {Function} recttopolar (@var{real_array}, @var{imaginary_array})
@deffnx {Function} polartorect (@var{magnitude_array}, @var{phase_array})
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@end deffn

@defvr {Option variable} fortindent
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@end defvr

@deffn {Function} fortran (@var{expr})
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@end deffn

@defvr {Option variable} fortspaces
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@end defvr

@deffn {Function} horner (@var{expr}, @var{x})
@deffnx {Function} horner (@var{expr})
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@end deffn

@deffn {Function} find_root (@var{f}(@var{x}), @var{x}, @var{a}, @var{b})
@deffnx {Function} find_root (@var{f}, @var{a}, @var{b})
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@end deffn

@defvr {Option variable} find_root_abs
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@end defvr

@defvr {Option variable} find_root_error
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@end defvr

@defvr {Option variable} find_root_rel
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@end defvr

@deffn {Function} newton (@var{expr}, @var{x}, @var{x_0}, @var{eps})
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@end deffn

@node Definitions for Fourier Series, , Definitions for Numerical, Numerical
@section Definitions for Fourier Series

@deffn {Function} equalp (@var{x}, @var{y})
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@end deffn

@deffn {Function} remfun (@var{f}, @var{expr})
@deffnx {Function} remfun (@var{f}, @var{expr}, @var{x})
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@end deffn

@deffn {Function} funp (@var{f}, @var{expr})
@deffnx {Function} funp (@var{f}, @var{expr}, @var{x})
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@end deffn

@deffn {Function} absint (@var{f}, @var{x}, @var{halfplane})
@deffnx {Function} absint (@var{f}, @var{x})
@deffnx {Function} absint (@var{f}, @var{x}, @var{a}, @var{b})
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@end deffn

@deffn {Function} fourier (@var{f}, @var{x}, @var{p})
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@end deffn

@deffn {Function} foursimp (@var{l})
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@end deffn

@defvr {Option variable} sinnpiflag
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@end defvr

@defvr {Option variable} cosnpiflag
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@end defvr

@deffn {Function} fourexpand (@var{l}, @var{x}, @var{p}, @var{limit})
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@end deffn

@deffn {Function} fourcos (@var{f}, @var{x}, @var{p})
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@end deffn

@deffn {Function} foursin (@var{f}, @var{x}, @var{p})
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@end deffn

@deffn {Function} totalfourier (@var{f}, @var{x}, @var{p})
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@end deffn

@deffn {Function} fourint (@var{f}, @var{x})
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@end deffn

@deffn {Function} fourintcos (@var{f}, @var{x})
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@end deffn

@deffn {Function} fourintsin (@var{f}, @var{x})
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@end deffn

