Question

Explain what is lambda .​

Answer 1

Answer:

Lambda comes from the Lambda Calculus and refers to anonymous functions in programming. It allows you to write quick throw away functions without naming them. It also provides a nice way to write closures. With that power you can do things like this.

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Answer 2

The Greek letter λ, lambda, [W/mK] is used to represent the heat conductivity of a material. The heat conductivity of a material is thus popularly known as its lambda value. The lambda value is used for thermal calculations on buildings and thermal components (insulation, etc.). The thermal conductivity of a material is defined as the quantity of heat transferred in a given time through a distance L in a direction normal to a surface area A, due to a temperature difference ΔT, and when the heat transfer is dependent only on the temperature gradient. Thus, the lower a material’s lambda value, the better its ability to insulate.