/usr/share/freemat/toolbox/trig/acosd.m is in freemat-data 4.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | % ACOSD ACOSD Inverse Cosine Degrees Function
%
% Usage
%
% Computes the inverse cosine of the argument, but returns
% the argument in degrees instead of radians (as is the case
% for acos. The syntax for its use is
%
% y = acosd(x)
%
% Copyright (c) 2002-2007 Samit Basu
% Licensed under the GPL
function y = acosd(x)
y = rad2deg(acos(x));
y(x == inf) = complex(0,inf);
y(x == -inf) = complex(180,-inf);
|