%(1)

NAME
% - percent

DESCRIPTION
Some predefined variables begin with %, such as %i (for sqrt(-1)), %inf (for Infinity), %pi (for 3.14...), %T (for the boolean variable "true"),...

In addition, functions whose names begin with % are special : they are used for coding (extensions of usual) operations .

For example the function %rmr performs the multiplication (m) operation x*y for x and y rational matrices (r). The coding conventions are given by the readme file in directory SCIDIR/macros/percent.

EXAMPLE
x1=list('x',1,2);
x2=list('x',2,3);
deff('x=%xmx(x1,x2)','x=list(''x'',x1(2)*x2(2),x2(3)*x2(3))');
x1*x2