4th Order Runge-Kutta Method

Post on 13-Feb-2016

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runge-kutta method

Transcript of 4th Order Runge-Kutta Method

yi+1 = yi + 1/6(k1 +2k2 + 2k3 + k4) F(xi, yi) = 2xyk1 = hF(xi,yi)k2 = hF(xi + h/2, yi + k1/2)k3 = hF(xi + h/2, yi + k2/2)k4 = hF(xi + h, yi + k3)

i h xi yi k1 k2 k3 k4 yi+10 0.1 0 1 0 0.01 0.01005 0.020201 1.010051 0.1 0.1 1.01005 0.020201 0.030605 0.030761 0.041632 1.0408112 0.1 0.2 1.040811 0.041632 0.053081 0.053368 0.065651 1.0941743 0.1 0.3 1.094174 0.06565 0.07889 0.079353 0.093882 1.1735114 0.1 0.4 1.173511 0.093881 0.109841 0.110559 0.128407 1.2840255 0.1 0.5 1.284025 0.128403 0.148305 0.1494 0.172011 1.4333296 0.1 0.6 1.433329 0.171999 0.197513 0.199171 0.22855 1.6323157 0.1 0.7 1.632315 0.228524 0.261987 0.264496 0.30349 1.8964788 0.1 0.8 1.896478 0.303437 0.348193 0.351998 0.404726 2.2479039 0.1 0.9 2.247903 0.404622 0.465541 0.471328 0.543846 2.71827

10 0.1 1 2.71827 0.543654 0.62792 0.636768 0.738108 3.35346 0 0.2 0.4 0.6 0.8 1 1.20

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