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functional |
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functional 1. Psychol a. relating to the purpose or context of a behaviour b. denoting a psychosis such as schizophrenia assumed not to have a direct organic cause, like deterioration or poisoning of the brain 2. Maths a function whose domain is a set of functions and whose range is a set of functions or a set of numbers functional [′fəŋk·shən·əl] (computer science) In a linear programming problem involving a set of variablesxj, j= 1, 2, …,n, a function of the formc1x1+c2x2+ ⋯ +cnxn(where thecjare constants) which one wishes to optimize (maximize or minimize, depending on the problem) subject to a set of restrictions. (mathematics) Any function from a vector space into its scalar field.
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