a R object, the element-wise arccosine of x, in radians;
Description
Compute the arccosine of each element of an R numeric vector, calling R's acos.
i1 : acos RObject 1
--error or time limit reached in conversion of output to net: type 'debugError()' to run it again; will try conversion to string
o1 = 0
o1 : RObject of type double