Mercurial > dive4elements > river
diff artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/fitting/TargetFunction.java @ 9646:0380717105ba
Implemented alternative fitting strategy for Log-Linear function.
author | Gernot Belger <g.belger@bjoernsen.de> |
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date | Mon, 02 Dec 2019 17:56:15 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/fitting/TargetFunction.java Mon Dec 02 17:56:15 2019 +0100 @@ -0,0 +1,31 @@ +/** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde + * Software engineering by + * Björnsen Beratende Ingenieure GmbH + * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt + * + * This file is Free Software under the GNU AGPL (>=v3) + * and comes with ABSOLUTELY NO WARRANTY! Check out the + * documentation coming with Dive4Elements River for details. + */ +package org.dive4elements.river.artifacts.model.fixings.fitting; + +/** + * @author Gernot Belger + */ +final class TargetFunction { + + private final double[] discharge; + + public TargetFunction(final double[] discharge) { + this.discharge = discharge; + } + + public double[] calc_stages(final double a, final double b, final double m) { + + final double[] waterlevels = new double[this.discharge.length]; + for (int i = 0; i < this.discharge.length; i++) + waterlevels[i] = a * Math.log(b + m * this.discharge[i]); + + return waterlevels; + } +} \ No newline at end of file