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bessel​

bessel(
    @order  ## required
    @x  ## required
) -> llll/null

Returns the Bessel function of the first kind of given @order at point @x.

Arguments​

  • @order [llll] (required)
  • @x [int/float/llll] Numeric llll.(required)

Output​

Bessel function of the first kind of given @order at point @x. [llll/null]

warning

bessel is a built-in function in the bell programming language and is not unique or exclusive to bellplay~. As such, bessel will return null without raising an error if required arguments are not provided.

Usage​

$x = arithmser(0, 1 @maxcount 10);
$order = 1;
$y = bessel($x, $order);
print($y)