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
Dirichlet boundary condition and are given numbers. For a partial differential equation, for example, where denotes the Laplace operator, the Dirichlet boundary conditions on a domain take the form where is a known function defined on the boundary . For example, the following would be considered Dirichlet boundary conditions: Many other boundary conditions are possible, including the Cauchy boundary condition and the mixed boundary condition. The latter is a combination of the Dirichlet and Neumann conditions. Dirichlet boundary condition In mathematics, the Dirichlet (or first-type) boundary condition is a type of boundary condition, named after Peter Gustav Lejeune Dirichlet (1805–1859). When imposed on