This study presents a semi-analytical shooting method for solving nonlinear higher-order boundary value problems by integrating the Adomian Decomposition Method into the shooting technique, enabling series-form solutions. To enhance convergence, new higher-order shooting slopes and their corresponding supplementary equation formulas were introduced. Three numerical examples demonstrated the method's accuracy: for the first two, absolute errors were computed using available exact solutions, while the third was compared with reference literature due to the absence of an exact solution. The method achieved very small absolute errors in the first two cases, and results from the third closely matched the literature. Tolerance values-defined as differences between successive shooting slopes-were also evaluated for all cases, showing a consistent decrease with increasing slopes. These findings confirm the effectiveness and reliability of the proposed approach in producing accurate results and ensuring convergence for higher-order boundary value problems.
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