1Blurb:: Export the coefficients and multi-index of a Polynomial Chaos Expansion (PCE) to a file 2 3Description:: 4 5Export the coefficients and multi-index of a Polynomial 6Chaos Expansion (PCE) to a file. The multi-index written will be 7sparse. Spcifically the expansion will conists only of the indices 8corresponding to the non-zero coefficients of the PCE. 9 10Topics:: 11Examples:: 12Theory:: 13Faq:: 14See_Also:: 15