• Home
• edu.jhu.hlt.optimize
• optimize
• 2.0.1
• source code
• DifferentiableFunction.java

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

edu.jhu.hlt.optimize.function.DifferentiableFunction Maven / Gradle / Ivy

package edu.jhu.hlt.optimize.function;

import edu.jhu.prim.vector.IntDoubleVector;

/**
 * A real scalar differentiable function.
 * 
 * @author mgormley
 *
 */
public interface DifferentiableFunction extends Function {

    /**
     * Gets the gradient at the specified point.
     * 
     * @param point The point at which the function is evaluated.
     * @return The output gradient, a vector of partial derivatives.
     */
    IntDoubleVector getGradient(IntDoubleVector point);
        
    /** 
     * Gets the gradient and value at the specified point.
     * 
     * @param point The point at which the function is evaluated.
     * @return The value and gradient.
     */
    ValueGradient getValueGradient(IntDoubleVector point);
    
}