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Minor fix in typo #779

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Merged
norvig merged 1 commit into from
Feb 27, 2018
Merged

Minor fix in typo #779

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6 changes: 3 additions & 3 deletions search.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -143,15 +143,15 @@
"source": [
"The `Node` class has nine methods.\n",
"\n",
"* `__init__(self, state, parent, action, path_cost)` : This method creates a node. `parent` represents the the node that this is a successor of and `action` is the action required to get from the parent node to this node. `path_cost` is the cost to reach current node from parent node.\n",
"* `__init__(self, state, parent, action, path_cost)` : This method creates a node. `parent` represents the node that this is a successor of and `action` is the action required to get from the parent node to this node. `path_cost` is the cost to reach current node from parent node.\n",
"\n",
"* `__repr__(self)` : This returns the state of this node.\n",
"\n",
"* `__lt__(self, node)` : Given a `node`, this method returns `True` if the state of current node is less than the state of the `node`. Otherwise it returns `False`.\n",
"\n",
"* `expand(self, problem)` : This methods lists all the neighbouring(reachable in one step) nodes of current node. \n",
"* `expand(self, problem)` : This method lists all the neighbouring(reachable in one step) nodes of current node. \n",
"\n",
"* `child_node(self, problem, action)` : Given an `action`, this methods returns the immediate neighbour that can be reached with that `action`.\n",
"* `child_node(self, problem, action)` : Given an `action`, this method returns the immediate neighbour that can be reached with that `action`.\n",
"\n",
"* `solution(self)` : This returns the sequence of actions required to reach this node from the root node. \n",
"\n",
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