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X₃₇₉₆¶

X₂com[INVERSE(nT(a², a² + c²))]

X₃₇₉₆ = crossdifference of every pair of points on line X₈₂₆ X₂₅₀₁

X₃₇₉₆ (X₂com[INVERSE(nT(a², a² + c²))]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_3796 = X_2com[INVERSE(nT(a², a² + c²))]."""

        from __future__ import annotations

        from pathlib import Path

        import sympy.geometry as spg
        from geometor.model import Model

        from geometor.etc.ops import (
            central_line,
            centroid_of,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03796(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3796 = X_2com[INVERSE(nT(a², a² + c²))] on reference triangle ABC."""
            X_3796 = eval_barycentric_point(model, A, B, C, '(a**(2)*(b**(2) + c**(2) - a**(2))*(b**(2) + c**(2) + 3*a**(2)))', ID="X_3796", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_22 = eval_trilinear_point(model, A, B, C, 'a*(b**(4) + c**(4) - a**(4))', ID="X_22", classes=["center", "incident"])
            central_line(model, X_6, X_22, 6, 22, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_49 = eval_trilinear_point(model, A, B, C, 'cos(3*A)', ID="X_49", classes=["center", "incident"])
            central_line(model, X_3, X_49, 3, 49, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_154 = eval_trilinear_point(model, A, B, C, '(cos(A) - cos(B)*cos(C))*a**(2)', ID="X_154", classes=["center", "incident"])
            central_line(model, X_2, X_154, 2, 154, incident=True)
            return promote_point_to_top(model, X_3796)


        def build_model(
            sides: tuple[float, float, float] = (5.0, 6.0, 7.0),
            show_guides: bool = False,
        ) -> Model:
            """Build a `geometor.model.Model` for X_3796 on the given reference triangle."""
            model = create_model('X_3796 = X_2com[INVERSE(nT(a², a² + c²))]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03796(model, A, B, C)
            return model


        if __name__ == "__main__":
            here = Path(__file__).resolve().parent
            model_acute = build_model((5.0, 6.0, 7.0))
            model_acute.save(str(here / "x-03796.json"))
            write_center_svg(
                model_acute,
                here / "x-03796.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X3796¶

X₃₇₉₆¶