/** {@inheritDoc} */ public double value(final double[] x) { return f.value(x); }
/** {@inheritDoc} */ public double[] value(double[] point) { // set up parameters final DerivativeStructure[] dsX = new DerivativeStructure[point.length]; for (int i = 0; i < point.length; ++i) { dsX[i] = new DerivativeStructure(point.length, 1, i, point[i]); } // compute the derivatives final DerivativeStructure dsY = f.value(dsX); // extract the gradient final double[] y = new double[point.length]; final int[] orders = new int[point.length]; for (int i = 0; i < point.length; ++i) { orders[i] = 1; y[i] = dsY.getPartialDerivative(orders); orders[i] = 0; } return y; }
/** {@inheritDoc} */ public double value(final double[] x) { return f.value(x); }
/** {@inheritDoc} */ public double value(final double[] x) { return f.value(x); }
/** {@inheritDoc} */ public double[] value(double[] point) { // set up parameters final DerivativeStructure[] dsX = new DerivativeStructure[point.length]; for (int i = 0; i < point.length; ++i) { dsX[i] = new DerivativeStructure(point.length, 1, i, point[i]); } // compute the derivatives final DerivativeStructure dsY = f.value(dsX); // extract the gradient final double[] y = new double[point.length]; final int[] orders = new int[point.length]; for (int i = 0; i < point.length; ++i) { orders[i] = 1; y[i] = dsY.getPartialDerivative(orders); orders[i] = 0; } return y; }
/** {@inheritDoc} */ public double[] value(double[] point) { // set up parameters final DerivativeStructure[] dsX = new DerivativeStructure[point.length]; for (int i = 0; i < point.length; ++i) { dsX[i] = new DerivativeStructure(point.length, 1, i, point[i]); } // compute the derivatives final DerivativeStructure dsY = f.value(dsX); // extract the gradient final double[] y = new double[point.length]; final int[] orders = new int[point.length]; for (int i = 0; i < point.length; ++i) { orders[i] = 1; y[i] = dsY.getPartialDerivative(orders); orders[i] = 0; } return y; }