location parameter
scale parameter
expected value
var y = mean( 0.0, 1.0 );
// returns ~1.649
var y = mean( 5.0, 2.0 );
// returns ~1096.633
var y = mean( NaN, 1.0 );
// returns NaN
var y = mean( 0.0, NaN );
// returns NaN
var y = mean( 0.0, 0.0 );
// returns NaN
Returns the expected value for a lognormal distribution with location
mu
and scalesigma
.Notes
sigma <= 0
, the function returnsNaN
.