Function mul

Parameters

• out: mat3.Mat3

  the receiving matrix

• a: readonly [
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
  ]

  the first operand

• b: readonly [
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
      number,
  ]

  the second operand