fun_run=letvalstart=[(Base 1.0), (Base 1.0)]funx1 y1 x2 y2f=((sqr x1)+(sqr y1))-((sqr x2)+(sqr y2))val[x1_star, y1_star]=multivariate_argmin_F (fn[x1, y1]=>multivariate_max_F (fn[x2, y2]=>f x1 y1 x2 y2) start) startval[x2_star, y2_star]=multivariate_argmax_F (fn[x2, y2]=>f x1_star y1_star x2 y2) startin[[(write_real x1_star), (write_real y1_star)], [(write_real x2_star), (write_real y2_star)]]; 0end

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