phi_ definition kernel what is k called in kernel function why is k called representer of evaluation in the definition of kernel functions what is k' called representor of evaluation why is $x called a representer what is the function of k$ why is $k$ called representor of evaluation in the definition of kernel functions? how to define k$ kernel function why is k called the representer of evaluation, in the definition of kernel functions? why is $k$ called _representor of evaluation in the meaning of kernel functions what is $k$ called in kernel function what is k why is k called representation why is k an evaluation function why is $k$ called a representer of evaluation why is k called why is k called representer of evaluation why is $k$ called representer of evaluation why is k called representer of evaluation in the definition of kernel functions? how does $k$ represent evaluation