NBC Weather Plus by NBC Weather Plus' weather radar forecasts from 2005 to 2008. The network utilizes an on-screen graphic, known as the "L-bar," to display local weather forecasts on the left and bottom third of the screen to provide local weather information on a continuous basis, even during commercial breaks, national weather segments and "Weather Plus University". The sidebar displayed sponsorship tags on the top left (which were more often seen on local feeds, and was removed during "Weather Plus University"), current weather conditions (sky condition, temperature, wind speed/direction and humidity) for the affiliate's city of service and other cities within the
Robin boundary condition "D" is the diffusive constant, "u" is the convective velocity at the boundary and "c" is the concentration. The second term is a result of Fick's law of diffusion. Robin boundary condition In mathematics, the Robin boundary condition (; properly ), or third type boundary condition, is a type of boundary condition, named after Victor Gustave Robin (1855–1897). When imposed on an ordinary or a partial differential equation, it is a specification of a linear combination of the values of a function "and" the values of its derivative on the boundary of the domain. Robin boundary conditions are a weighted