code: public Matrix4x3d m22(double m22) {
          this.m22 = m22;
          properties &= ~PROPERTY_ORTHONORMAL;
          if (m22 != 1.0)
              properties &= ~(PROPERTY_IDENTITY | PROPERTY_TRANSLATION);
          return this;
      }
docs: Set the value of the matrix element at column 2 and row 2.
  
  @param m22
  the new value
  @return this