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Fig. 2. The n-th order approximate solution φ(n) can be obtained from φ(n1) through GV(φ(n1)). This diagram, which resembles branches of a tree, is called a tree diagram.
New Phys.: Sae Mulli 2022;72:537~543 https://doi.org/10.3938/NPSM.72.537
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