s13aaf NAG Library Routine Document s13aaf (integral_exp): s13aaf returns the value of the exponential integral E1x, via the function name. References in zbMATH (referenced in 1 article ) Showing result 1 of 1. y Sorted by year (citations) 10 20 50 all Campbell, John S.; Robinson, James C.: (p)-adaptivity in the time domain using (MV_pq) multivalue time-marching integrators (1997)
