exponentialSequence function
Exponentially decreasing sequence with start value tStart
and
end value tEnd
.
The general form of the sequence members is:
t(k) = tStart * exp( -lambda * k)
where
lambda = -log(tEnd.abs() / tStart.abs()) / (n - 1)
.
Implementation
List<num> exponentialSequence(num tStart, num tEnd, {int iterations = 1000}) {
final lambda = -log(tEnd.abs() / tStart.abs()) / (iterations - 1);
final beta = exp(-lambda);
var prev = tStart / beta;
return List<num>.generate(iterations, (i) => prev = prev * beta);
}