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documentclass{article}



begin{equation}

    nabla_{theta} bm{J}(theta) = mathbb{E}_{s sim T^{bm{pi}}, a sim bm{pi}_{theta}} [nabla_{theta} log bm{pi}(a | s ) cdot  Q(s, a) ],

end{equation}



end{document}

documentclass{article}



begin{equation}

    nabla_{theta} bm{J}(theta) = mathbb{E}_{s sim T^{bm{pi}}, a sim bm{pi}_{theta}} [nabla_{theta} log bm{pi}(a | s ) cdot  Q(s, a) ],

end{equation}



end{document}

documentclass{article}



begin{equation}

    nabla_{theta} bm{J}(theta) = mathbb{E}_{s sim T^{bm{pi}}, a sim bm{pi}_{theta}} [nabla_{theta} log bm{pi}(a | s ) cdot  Q(s, a) ],

end{equation}



end{document}

documentclass{article}



begin{equation}

    nabla_{theta} bm{J}(theta) = mathbb{E}_{s sim T^{bm{pi}}, a sim bm{pi}_{theta}} [nabla_{theta} log bm{pi}(a | s ) cdot  Q(s, a) ],

end{equation}



end{document}

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