Examples of org.apache.commons.math3.analysis.polynomials.PolynomialFunction.multiply()

Package org.apache.commons.math3.analysis.polynomials

Class org.apache.commons.math3.analysis.polynomials.PolynomialFunction

Examples of org.apache.commons.math3.analysis.polynomials.PolynomialFunction.multiply()

org.apache.commons.math3.analysis.polynomials.PolynomialFunction.multiply()
Multiply the instance by a polynomial. @param p Polynomial to multiply by. @return a new polynomial.

            }
        }


        // Compute and return Hat matrix
        // No DME advertised - args valid if we get here
        return Q.multiply(augI).multiply(Q.transpose());
    }


    /**
     * <p>Returns the sum of squared deviations of Y from its mean.</p>
     *

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    @Override
    protected RealMatrix calculateBetaVariance() {
        int p = getX().getColumnDimension();
        RealMatrix Raug = qr.getR().getSubMatrix(0, p - 1 , 0, p - 1);
        RealMatrix Rinv = new LUDecomposition(Raug).getSolver().getInverse();
        return Rinv.multiply(Rinv.transpose());
    }


}

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    protected RealVector calculateBeta() {
        RealMatrix OI = getOmegaInverse();
        RealMatrix XT = getX().transpose();
        RealMatrix XTOIX = XT.multiply(OI).multiply(getX());
        RealMatrix inverse = new LUDecomposition(XTOIX).getSolver().getInverse();
        return inverse.multiply(XT).multiply(OI).operate(getY());
    }


    /**
     * Calculates the variance on the beta.
     * <pre>

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            // Sort by fitness and compute weighted mean into xmean
            final int[] arindex = sortedIndices(fitness);
            // Calculate new xmean, this is selection and recombination
            final RealMatrix xold = xmean; // for speed up of Eq. (2) and (3)
            final RealMatrix bestArx = selectColumns(arx, MathArrays.copyOf(arindex, mu));
            xmean = bestArx.multiply(weights);
            final RealMatrix bestArz = selectColumns(arz, MathArrays.copyOf(arindex, mu));
            final RealMatrix zmean = bestArz.multiply(weights);
            final boolean hsig = updateEvolutionPaths(zmean, xold);
            if (diagonalOnly <= 0) {
                updateCovariance(hsig, bestArx, arz, arindex, xold);

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            // Sort by fitness and compute weighted mean into xmean
            final int[] arindex = sortedIndices(fitness);
            // Calculate new xmean, this is selection and recombination
            final RealMatrix xold = xmean; // for speed up of Eq. (2) and (3)
            final RealMatrix bestArx = selectColumns(arx, MathArrays.copyOf(arindex, mu));
            xmean = bestArx.multiply(weights);
            final RealMatrix bestArz = selectColumns(arz, MathArrays.copyOf(arindex, mu));
            final RealMatrix zmean = bestArz.multiply(weights);
            final boolean hsig = updateEvolutionPaths(zmean, xold);
            if (diagonalOnly <= 0) {
                updateCovariance(hsig, bestArx, arz, arindex, xold);

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                }
            }
        }


        // Compute and return Hat matrix
        return Q.multiply(augI).multiply(Q.transpose());
    }


    /**
     * <p>Returns the sum of squared deviations of Y from its mean.</p>
     *

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    @Override
    protected RealMatrix calculateBetaVariance() {
        int p = getX().getColumnDimension();
        RealMatrix Raug = qr.getR().getSubMatrix(0, p - 1 , 0, p - 1);
        RealMatrix Rinv = new LUDecomposition(Raug).getSolver().getInverse();
        return Rinv.multiply(Rinv.transpose());
    }


}

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    protected RealVector calculateBeta() {
        RealMatrix OI = getOmegaInverse();
        RealMatrix XT = getX().transpose();
        RealMatrix XTOIX = XT.multiply(OI).multiply(getX());
        RealMatrix inverse = new LUDecomposition(XTOIX).getSolver().getInverse();
        return inverse.multiply(XT).multiply(OI).operate(getY());
    }


    /**
     * Calculates the variance on the beta.
     * <pre>

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                // Sort by fitness and compute weighted mean into xmean
                int[] arindex = sortedIndices(fitness);
                // Calculate new xmean, this is selection and recombination
                RealMatrix xold = xmean; // for speed up of Eq. (2) and (3)
                RealMatrix bestArx = selectColumns(arx, MathArrays.copyOf(arindex, mu));
                xmean = bestArx.multiply(weights);
                RealMatrix bestArz = selectColumns(arz, MathArrays.copyOf(arindex, mu));
                RealMatrix zmean = bestArz.multiply(weights);
                boolean hsig = updateEvolutionPaths(zmean, xold);
                if (diagonalOnly <= 0) {
                    updateCovariance(hsig, bestArx, arz, arindex, xold);

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            // Sort by fitness and compute weighted mean into xmean
            final int[] arindex = sortedIndices(fitness);
            // Calculate new xmean, this is selection and recombination
            final RealMatrix xold = xmean; // for speed up of Eq. (2) and (3)
            final RealMatrix bestArx = selectColumns(arx, MathArrays.copyOf(arindex, mu));
            xmean = bestArx.multiply(weights);
            final RealMatrix bestArz = selectColumns(arz, MathArrays.copyOf(arindex, mu));
            final RealMatrix zmean = bestArz.multiply(weights);
            final boolean hsig = updateEvolutionPaths(zmean, xold);
            if (diagonalOnly <= 0) {
                updateCovariance(hsig, bestArx, arz, arindex, xold);

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