# lt or <¶

lt or <

Relational-less-than operation

Result = lt(expression1, expression2)

Result = expression1 < expression2

expression2
spatial, non spatial type of expression1
expression1
spatial, non spatial ordinal, scalar
Result
spatial; non spatial if expression1 and expression2 are non spatial boolean

## Operation¶

For each cell evaluates expression1 in relation to expression2. If the cell value on expression1 is less than the value on expression2 Result has a cell value 1 (condition is TRUE) on the corresponding cell; if the cell value on expression1 equals or is greater than the value on expression2 Result has a cell value 0 (condition is FALSE).

## Notes¶

A cell with a missing value on expression1 and/or expression2 results in a missing value on Result at the corresponding cell.

The < sign is a alternative notation for lt.

## Group¶

This operation belongs to the group of Comparison operators

## Examples¶

1. • pcrcalc
binding
Result = Result.map;
Expr1 = Expr1.map;
Expr2 = Expr2.map;
initial
report Result = Expr1 < Expr2;

• python