eq(==)
Syntax
X==Y
Arguments
X and Y is a scalar/pair/vector/matrix/set. If X or Y is a pair/vector/matrix, the other is a scalar or a pair/vector/matrix of the same size.
Details
If neither X nor Y is a set, return the element-by-element comparison of X==Y.
If X and Y are sets, check if X and Y are identical.
Examples
$ 1 2 3 == 2;
[0,1,0]
$ 1 2 3==0 2 4;
[0,1,0]
$ 1:2==1:6;
1 : 0
$ m1=1..6$2:3;
$ m1;
#0 |
#1 |
#2 |
---|---|---|
1 |
3 |
5 |
2 |
4 |
6 |
$ m1 == 4;
#0 |
#1 |
#2 |
---|---|---|
0 |
0 |
0 |
0 |
1 |
0 |
$ m2=6..1$2:3;
$ m2;
#0 |
#1 |
#2 |
---|---|---|
6 |
4 |
2 |
5 |
3 |
1 |
$ m1==m2;
#0 |
#1 |
#2 |
---|---|---|
0 |
0 |
0 |
0 |
0 |
0 |
Set operation: If X==Y then X and Y are identical
$ x=set(4 6);
$ y=set(4 6 8);
$ x==y;
0
$ x==x;
1