math product for math

Returns the product of a list of numbers or the products of each column of a table.

Signature

> math product {flags} ...rest

Parameters

  • ...rest: The cell-paths/columns to operate on.

Input/output types:

inputoutput
list<number>number
rangenumber
tablerecord
recordrecord

Examples

Compute the product of a list of numbers.

> [2 3 3 4] | math product
72

Compute the product of each column in a table.

> [[a b]; [1 2] [3 4]] | math product
╭───┬───╮
│ a │ 3 │
│ b │ 8 │
╰───┴───╯

Compute the product of list-valued columns in a record.

> {alice: [2 3 4], bob: [4 5 6]} | math product
╭───────┬─────╮
│ alice │ 24  │
│ bob   │ 120 │
╰───────┴─────╯

Compute the product of a single column using a cell path.

> {alice: [2 3 4], bob: [4 5 6]} | math product alice
╭───────┬───────────╮
│ alice │ 24        │
│       │ ╭───┬───╮ │
│ bob   │ │ 0 │ 4 │ │
│       │ │ 1 │ 5 │ │
│       │ │ 2 │ 6 │ │
│       │ ╰───┴───╯ │
╰───────┴───────────╯