ajdmom.itos_mom.coef_poly

ajdmom.itos_mom.coef_poly(coef, poly, tp)[source]

Multiply poly with different type coefficients

Parameters:

  • coef (int) – integer, such as the leading \(m_4(m_4-1)/2\).

  • poly (Poly) – poly returned by int_mIEI_IEII().

  • tp (int) –

    type of the multiplication,

    tp

    multiply with

    tp

    multiply with

    1

    \(e^{k_1(n-1)h}v_{1,n-1}\)

    5

    \(e^{k_2(n-1)h}v_{2,n-1}\)

    2

    \(-e^{k_1(n-1)h}\theta_1\)

    6

    \(-e^{k_2(n-1)h}\theta_2\)

    3

    \(\theta_1\)

    7

    \(\theta_2\)

    4

    \(\sigma_{v1}\)

    8

    \(\sigma_{v2}\)

Returns:

poly with attribute keyfor = (‘(n_1m*k1+n_2m*k2)^{-i_m},…,(n_11*k1+n_21*k2)^{-i_1}’, ‘e^{(m_4*k1+m_6*k2)(n-1)h}’,’e^{(j_1*k1+j_2*k2)[t-(n-1)h]}’,’[t-(n-1)h]’, ‘v_{1,n-1}’,’theta1’,’sigma_v1’, ‘v_{2,n-1}’,’theta2’,’sigma_v2’).

Return type:

Poly