neg

Syntax

neg(X)

Arguments

X is a scalar/pair/vector/matrix.

Details

Return the negative of X.

Examples

$ x=1:2;
$ -x;
-1 : -2

$ x=1 0 1;
$ -x;
[-1,0,-1]
$ m=1 1 1 0 0 0 $ 2:3;
$ m;

#0

#1

#2

1

1

0

1

0

0

$ -m

#0

#1

#2

-1

-1

0

-1

0

0