Examples of jmathexpr.arithmetic.func.Log

jmathexpr.arithmetic.func.Log
The logarithm function: log[base](x). @author Elemér Furka

        assertEquals(evaluated, Naturals.one());
        
        x.setValue(R.create(1));
        System.out.printf("  %s%n", exp.evaluate());
        
        Function log = new Log(N.create(10), N.create(1000));
        evaluated = log.evaluate();
        System.out.printf("%s = %s%n", log, evaluated);
        assertEquals(evaluated, N.create(3));
    }

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            LongNaturalNumber guess = log((LongNaturalNumber) base, (LongNaturalNumber) a);
            
            if (base.pow(guess).equals(a)) {
                return guess;
            } else {
                return new Log(base, a);
            }
        } else {
            throw new ArithmeticException(String.format("Undefined expression: log[%s](%s)", base, a));
        }
    }

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Related Classes of jmathexpr.arithmetic.func.Log

jmathexpr.arithmetic.natural.impl.LongNaturalCalculator

jmathexpr.Expression

jmathexpr.test.arithmetic.ArithmeticTest

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