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[`compute_fixed_point`](https://github.com/QuantEcon/QuantEcon.py/blob/master/quantecon/compute_fp.py#L36), the solution notebook for Exercise 1 in the lecture on [Infinite Horizon Dynamic Programming](http://quant-econ.net/py/dp_intro.html) has to be revised.\r\n\r\n* In `compute_fixed_point(gm.bellman_operator, w, max_iter=n)`, `w` is now modified *in-place*, so the initial condition `w = 5 * gm.u(gm.grid) - 25` has to be set inside the for loop.\r\n\r\n* I suspect the [figures](http://quant-econ.net/py/dp_intro.html#og-opf) in the lecture have to be fixed as well.\r\n\r\n* In the notebook I executed, the Figure for Exercise 2 looks different from the one in the previous notebook or in the [lecture](http://quant-econ.net/py/dp_intro.html#exercise-2).\r\n\r\n* 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