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Some results on pseudolinear quadratic fractional functions. (English) Zbl 1180.26008

The affinity of quadratic fractional functions and the gradient of pseudolinear quadratic fractional functions are characterized and discussed. Examples to demonstrate the gradient and affine cases were also included.

MSC:

26A51 Convexity of real functions in one variable, generalizations
26B25 Convexity of real functions of several variables, generalizations
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