JSci.physics.ConstantForce3D Maven / Gradle / Ivy

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JSci is a set of open source Java packages. The aim is to encapsulate scientific methods/principles in the most natural way possible. As such they should greatly aid the development of scientific based software. It offers: abstract math interfaces, linear algebra (support for various matrix and vector types), statistics (including probability distributions), wavelets, newtonian mechanics, chart/graph components (AWT and Swing), MathML DOM implementation, ... Note: some packages, like javax.comm, for the astro and instruments package aren't listed as dependencies (not available).

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package JSci.physics;

/**
* The ConstantForce3D class provides an object for encapsulating constant forces in 3D.
* @version 1.0
* @author Mark Hale
* @author Silvere Martin-Michiellot
*/
public class ConstantForce3D extends Force3D {
        protected final double Fx, Fy, Fz;
        /**
        * Constructs a force.
        */
        public ConstantForce3D(double fx, double fy, double fz) {
                Fx = fx;
                Fy = fy;
                Fz = fz;
        }
        /**
        * Returns the addition of this force and another.
        */
        public Force3D add(ConstantForce3D F) {
                return new ConstantForce3D(Fx+F.Fx, Fy+F.Fy, Fz+F.Fz);
        }
        /**
        * Returns the subtraction of this force by another.
        */
        public Force3D subtract(ConstantForce3D F) {
                return new ConstantForce3D(Fx-F.Fx, Fy-F.Fy, Fz-F.Fz);
        }
        public double getXComponent(double t) {
                return Fx;
        }
        public double getYComponent(double t) {
                return Fy;
        }
        public double getZComponent(double t) {
                return Fz;
        }
}