code: function (m11, m12, m13,
                                  m21, m22, m23,
                                  m31, m32, m33) {
              this[0] = m11;
              this[1] = m12;
              this[2] = m13;
              this[3] = m21;
              this[4] = m22;
              this[5] = m23;
              this[6] = m31;
              this[7] = m32;
              this[8] = m33;
          }
docs: Constructs a 3 x 3  matrix.
  @alias Matrix3
  @constructor
  @classdesc Represents a 3 x 3 double precision matrix stored in a Float64Array in row-major order.
  @param {Number} m11 matrix element at row 1, column 1.
  @param {Number} m12 matrix element at row 1, column 2.
  @param {Number} m13 matrix element at row 1, column 3.
  @param {Number} m21 matrix element at row 2, column 1.
  @param {Number} m22 matrix element at row 2, column 2.
  @param {Number} m23 matrix element at row 2, column 3.
  @param {Number} m31 matrix element at row 3, column 1.
  @param {Number} m32 matrix element at row 3, column 2.
  @param {Number} m33 matrix element at row 3, column 3.