Abstract: As a two-dimensional formal method, graph grammar is widely used in defining various visual programming languages. This paper presents a new graph grammar formalism called coordinate graph ...

Vector Vector illustration polar grid isolated on white background. Polar coordinate circular grid in flat style. 360 degrees scale. Blank polar graph paper template. Vector illustration polar grid ...

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Having an accurately estimated state is of great importance for maintaining a stable running condition of smart grids. To preserve the accuracy of the estimated state, bad data detection (BDD) ...