. . . "8883"^^ . . . . "Piecewise linear function"@en . "In mathematics and statistics, a piecewise linear, PL or segmented function is a real-valued function of a real variable, whose graph is composed of straight-line segments."@en . . "1057871730"^^ . "444224"^^ . . . "In mathematics and statistics, a piecewise linear, PL or segmented function is a real-valued function of a real variable, whose graph is composed of straight-line segments."@en . . .