To reference or cite the objects present in the Software Heritage archive, permalinks based on SoftWare Hash IDentifiers (SWHIDs) must be used. Select below a type of object currently browsed in order to display its associated SWHID and permalink.
swh:1:cnt:95c5994e0435d6083f5747e7524f3bff83e07924
swh:1:dir:6493792156e13043fffc1dfcf8d2251b80889b47
double.exp<- function(x) { # double exponential weight function .5* exp(-abs(x)) }