A convex function is a real-valued function defined on an interval with the property that its epigraph (the set of points on or above the graph of the function) is a convex set.
A rectifier is a electrical device that converts alternating current to direct current, a process known as rectification. Rectifiers are used as components of power supplies and as detectors of radio signals. Rectifiers may be made of solid state diodes, vacuum tube diodes, mercury arc valves, and other technologies.
Dehumidifiers are commonly used to reduce summertime. humidity in basements. Try these low-cost ideas to reduce. humidity first. Itâs often less expensive to prevent excess. humidity than to remove it with a dehumidifier. â¢ Check gutter and downspout drainage. â¢ Slope soil away from the foundation.