neg(-)

Syntax

-X

Arguments

X is a scalar/pair/vector/matrix.

Details

Return the negative of X.

Examples

x=1:2;
-x;
// output
-1 : -2

x=1 0 1;
-x;
// output
[-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