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math.subtract¶

Math: Subtract

Performs subtraction of $a and $b. A can be an array and $b a number, in which case each member of $a gets subtracted $b. If $a is an array and $b is not provided then neg. array_sum is used to return a single numeric value. If both $a and $b are arrays, each member of $a is summed against the corresponding member in $b compared using index.

Arguments¶

a¶

DataType: mixed
Required: false
Description: First number for calculation

b¶

DataType: mixed
Required: false
Description: Optional: Second number or Iterator/Traversable/Array for calculation

fail¶

DataType: boolean
Required: false
Description: If TRUE, throws an Exception if argument "a" is not specified and no child content or inline argument is found. Usually okay to use a NULL value (as integer zero).