File: acoth.m

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function C = acoth (G)
%ACOTH inverse hyperbolic cotangent.
% C = acoth (G) is the inverse hyberbolic cotangent of each entry of G.
% Since acoth (0) is nonozero, C is a full matrix.
% C is complex if G is complex, or if any (abs (G) < 1).
%
% See also GrB/cot, GrB/acot, GrB/coth.

% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0

G = G.opaque ;
type = gbtype (G) ;
if (~gb_isfloat (type))
    type = 'double' ;
end

C = GrB (gb_trig ('atanh', gbapply ('minv', gbfull (G, type)))) ;