Python sdp_mul_termの例

コード例 #1

ファイル: groebnertools.py プロジェクト: lazovich/sympy

def sdp_spoly(p1, p2, u, O, K):
    """
    Compute LCM(LM(p1), LM(p2))/LM(p1)*p1 - LCM(LM(p1), LM(p2))/LM(p2)*p2
    This is the S-poly provided p1 and p2 are monic
    """
    LM1 = sdp_LM(p1, u)
    LM2 = sdp_LM(p2, u)
    LCM12 = monomial_lcm(LM1, LM2)
    m1 = monomial_div(LCM12, LM1)
    m2 = monomial_div(LCM12, LM2)
    s1 = sdp_mul_term(p1, (m1, K.one), u, O, K)
    s2 = sdp_mul_term(p2, (m2, K.one), u, O, K)
    s = sdp_sub(s1, s2, u, O, K)
    return s

コード例 #2

ファイル: groebnertools.py プロジェクト: nvlrules/sympy

def sdp_spoly(p1, p2, u, O, K):
    """
    Compute LCM(LM(p1), LM(p2))/LM(p1)*p1 - LCM(LM(p1), LM(p2))/LM(p2)*p2
    This is the S-poly provided p1 and p2 are monic
    """
    LM1 = sdp_LM(p1, u)
    LM2 = sdp_LM(p2, u)
    LCM12 = monomial_lcm(LM1, LM2)
    m1 = monomial_div(LCM12, LM1)
    m2 = monomial_div(LCM12, LM2)
    s1 = sdp_mul_term(p1, (m1, K.one), u, O, K)
    s2 = sdp_mul_term(p2, (m2, K.one), u, O, K)
    s = sdp_sub(s1, s2, u, O, K)
    return s

コード例 #3

ファイル: groebnertools.py プロジェクト: nvlrules/sympy

def lbp_mul_term(f, cx, u, O, K):
    """
    Multiply a labeled polynomial with a term.

    The product of a labeled polynomial (s, p, k) by a monomial is
    defined as (m * s, m * p, k).
    """
    return lbp(sig_mult(Sign(f), cx[0]), sdp_mul_term(Polyn(f), cx, u, O, K), Num(f))

コード例 #4

ファイル: groebnertools.py プロジェクト: songuke/sympy

def lbp_mul_term(f, cx, u, O, K):
    """
    Multiply a labeled polynomial with a term.

    The product of a labeled polynomial (s, p, k) by a monomial is
    defined as (m * s, m * p, k).
    """
    return lbp(sig_mult(Sign(f), cx[0]), sdp_mul_term(Polyn(f), cx, u, O, K), Num(f))