Examples of com.opengamma.analytics.math.function.DoubleFunction1D.multiply()

Package com.opengamma.analytics.math.function

Class com.opengamma.analytics.math.function.DoubleFunction1D

Examples of com.opengamma.analytics.math.function.DoubleFunction1D.multiply()

com.opengamma.analytics.math.function.DoubleFunction1D.multiply()
For a DoubleFunction1D $g(x)$, multiplying by a function $f(x)$ returns the function $h(x) = f(x) g(x)$. @param f The function to multiply by, not null @return A function $h(x) = f(x) g(x)$

        polynomials[i] = Pair.of(F1, DF1);
      } else {
        p1 = polynomials[i - 1].getFirst();
        p2 = polynomials[i - 2].getFirst();
        p = (p1.multiply(2. * i + alpha - 1).subtract(p1.multiply(getX())).subtract(p2.multiply((i - 1. + alpha))).divide(i));
        dp = (p.multiply(i).subtract(p1.multiply(i + alpha))).divide(getX());
        polynomials[i] = Pair.of(p, dp);
      }
    }
    return polynomials;
  }

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