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;
// output
[0,1,0]
1 2 3==0 2 4;
// output
[0,1,0]
1:2==1:6;
// output
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;
// output
0
x==x;
// output
1