Esempio n. 1
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    def __init__(self, nrows = 8, ncols = 8):
        self.nrows = nrows
        self.ncols = ncols
        self.nstates = nrows * ncols
        self.nactions = 4

        self.left_edge = []
        self.right_edge = []
        self.top_edge = []
        self.bottom_edge = []
        self.gamma = 0.9

        for x in range(self.nstates):

            # note that edges are not disjoint, so we cannot use elif

            if x % self.ncols == 0:
                self.left_edge.append(x)

            if 0 <= x < self.ncols:
                self.top_edge.append(x)

            if x % self.ncols == self.ncols - 1:
                self.right_edge.append(x)

            if (self.nrows - 1) * self.ncols <= x <= self.nstates:
                self.bottom_edge.append(x)

        MDP.__init__(self, nstates = self.nrows * self.ncols, nactions = 4)
Esempio n. 2
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    def __init__(self, nrows = 8, ncols = 8):
        self.nrows = nrows
        self.ncols = ncols
        self.nstates = nrows * ncols
        self.nactions = 4

        self.left_edge = []
        self.right_edge = []
        self.top_edge = []
        self.bottom_edge = []
        self.gamma = 0.9

        for x in range(self.nstates):

            # note that edges are not disjoint, so we cannot use elif

            if x % self.ncols == 0:
                self.left_edge.append(x)

            if 0 <= x < self.ncols:
                self.top_edge.append(x)

            if x % self.ncols == self.ncols - 1:
                self.right_edge.append(x)

            if (self.nrows - 1) * self.ncols <= x <= self.nstates:
                self.bottom_edge.append(x)

        MDP.__init__(self, nstates = self.nrows * self.ncols, nactions = 4)
Esempio n. 3
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    def __init__(self):

        # actions:
        # 0 == L
        # 1 == R

        self.gamma = 0.9
        self.feature_cnt = 9
        MDP.__init__(self, nstates = 4, nactions = 2)
Esempio n. 4
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    def __init__(self, nrows = 5, ncols = 5, walls=[(1,1),(1,2),(1,3),(2,1),(2,2),(2,3),(3,1),(3,2),(3,3)], endstates = [0]):
        self.nrows = nrows
        self.ncols = ncols

        self.walls = walls
        grid = [self.coords(i) for i in range(self.nrows * self.ncols)]
        grid = [s for s in grid if not s in self.walls]
        self.states = dict([(i,s) for (i,s) in enumerate(grid)])
        self.rstates = dict([(s,i) for (i,s) in enumerate(grid)]) # reverse lookup by grid coords

        self.nstates = len(self.states)
        self.nactions = 8
        self.endstates = endstates

        MDP.__init__(self, nstates = self.nstates, nactions = self.nactions)
Esempio n. 5
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 def reset(self):
     self.step = 0
     return MDP.reset(self)