Probably some new definition. ”In engineering heat move texts, it’s usually referred to with engineering term like “radiative trade” among bodies. Right near matlab beginning engineering matlab bankruptcy on radiative heat transfer in any of these texts, you’ll see an equation for matlab radiative heat transfer among two bodies with some constants multiplying matlab term Th^4 – Tc^4, in which Th is matlab absolute temperature engineering matlab warmer body and Tc^4 is matlab temperature engineering matlab chillier body. The Tc^4 term is matlab “back radiation”, anything you choose to call it. ”The most fundamental expression of conservation of calories in engineering non remoted system isenergy into engineering gadget – energy out of engineering equipment = change in energy within engineering systemThe Trenberth diagram has for every rectangular meter each second: 161 + 333 = 494 J into matlab “floor device” 396+ 80+17 = 493 J out engineering matlab “floor device” 356+80+17+78 = 531 J into matlab “atmospheric system” 333+169+30 = 532 J out engineering matlab “atmospheric device”Energy is conserved. The change between among matlab outcomes 494 vs 493; 531 vs 532 may also be attributed to around off and/or engineering small little bit of net warming or cooling ie “trade in calories inside engineering system”.