1Blurb:: Build a Polynomial Chaos Expansion (PCE) by import coefficients and a multi-index from a file 2Description:: The coefficients can be specified in an arbitrary order. The multi-index provided is used to generate a sparse expansion that conists only of the indices corresponding to the non-zero coefficients provided in the file. 3Topics:: 4Examples:: 5Theory:: 6Faq:: 7See_Also:: 8