f λ ( r i _ ) = 0 {\displaystyle f_{\lambda }({\underline {r_{i}}})=0}
∑ i = 1 d a _ λ i v _ i + a λ 0 = 0 {\displaystyle \sum \limits _{i=1}^{d}{{{\underline {a}}_{\lambda \,i}}{{\underline {v}}_{i}}+{{a}_{\lambda \,0}}}=0}
nicht zeitabhängig
zeitabhängig
