Examples of org.jquantlib.processes.StochasticProcess1D.evolve()

        //The expectedValue = intialValue*exp(drift*dt)-----can be obtained by integrating----->dx/x= drift*dt
        System.out.println("Expected value = "+process.expectation(process.time(date18.clone()), handleToStockQuote.currentLink().value(), 0.01));


        //Calulating the exact value of the stock quote after time = 18th day from today with the current value of the stock as specified from the quote
        //The exact value = intialValue*exp(drift*dt)*exp(volatility*sqrt(dt))-----can be obtained by integrating----->dx/x= drift*dt+volatility*sqrt(dt)
        System.out.println("Exact value = "+process.evolve(process.time(date18.clone()), 6.7, .001, new NormalDistribution().op(Math.random())));


        //Calculating the drift of the stochastic process after time = 18th day from today with value of the stock as specified from the quote
        //The drift = (riskFreeForwardRate - dividendForwardRate) - (Variance/2)
        final Array drift = process.drift(process.time(date18.clone()), new Array(1).fill(5.6));
        System.out.println("The drift of the process after time = 18th day from today with value of the stock as specified from the quote");

        final Array expectation = process.expectation(process.time(date18.clone()), new Array(1).fill(5.6), 0.01);
        System.out.println("Expected value = "+expectation.first());


        //Calulating the exact value of the stock quote after time = 18th day from today with the current value of the stock as specified from the quote
        //The exact value = intialValue*exp(drift*dt)*exp(volatility*sqrt(dt))-----can be obtained by integrating----->dx/x= drift*dt+volatility*sqrt(dt)
        final Array evolve = process.evolve(process.time(date18.clone()), new Array(1).fill(6.7), .001, new Array(1).fill(new NormalDistribution().op(Math.random()) ));
        System.out.println("Exact value = "+evolve.first());


        //Calculating covariance of the process
        final Matrix covariance = process.covariance(process.time(date18.clone()),  new Array(1).fill(5.6), 0.01);
        System.out.println("Covariance = "+covariance.get(0, 0));