| #### D.13.6.25 tInitialFormPar Procedure from library `tropical.lib` (see tropical_lib). Usage: tInitialFormPar(f,w); f a polynomial, w an integer vector Assume: f is a polynomial in Q(t)[x_1,...,x_n] and w=(w_1,...,w_2) Return: poly, the t-initialform of f(t,x) w.r.t. (1,w) evaluated at t=1 Note: the t-initialform are the terms with MINIMAL weighted order w.r.t. (1,w) Example:
    LIB "tropical.lib";
    ring r=(0,t),(x,y),dp;
    poly f=t4x2+y2-t2xy+t4x-t9;
    intvec w=2,3;
    tInitialFormPar(f,w);
    ==> y2+x

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