shape parameter
scale parameter
expected value
var v = mean( 1.0, 1.0 );
// returns Infinity
var v = mean( 4.0, 12.0 );
// returns 16.0
var v = mean( 8.0, 2.0 );
// returns ~2.286
var v = mean( 1.0, -0.1 );
// returns NaN
var v = mean( -0.1, 1.0 );
// returns NaN
var v = mean( 2.0, NaN );
// returns NaN
var v = mean( NaN, 2.0 );
// returns NaN
Returns the expected value of a Pareto (Type I) distribution.
Notes
0 < alpha <= 1
, the function returnsInfinity
.alpha <= 0
orbeta <= 0
, the function returnsNaN
.