MAP_COMBINE /FACTOR

        [CLEAN\]MAP_COMBINE OutCube CODE In1 In2 /FACTOR A1 A2
      [/THRESHOLD T1 T2] [/BLANKING Bval]

    Specify the factors to apply to In1 and In2. Default is 1.0.  This option is
    not available in the "intuitive" math syntax, where the factors  are  speci-
    fied directly.