evaluate_multivariate_orthonormal_polynomial

pyapprox.multivariate_polynomials.evaluate_multivariate_orthonormal_polynomial(samples, indices, recursion_coeffs, deriv_order=0, basis_type_index_map=None)

Evaluate a multivaiate orthonormal polynomial and its s-derivatives (s=1,…,num_derivs) using a three-term recurrence coefficients.

Parameters

samplesnp.ndarray (num_vars, num_samples)

Samples at which to evaluate the polynomial

indicesnp.ndarray (num_vars, num_indices)

The exponents of each polynomial term

recursion_coeffsnp.ndarray (num_indices,2)

The coefficients of each monomial term

deriv_orderinteger in [0,1]

The maximum order of the derivatives to evaluate.