# Infrastructure for Partially Observable Markov Decision Processes (POMDP)

## Documentation for package ‘pomdp’ version 1.2.3

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

absorbing_states | Reachable and Absorbing States
accessors | Access to Parts of the Model Description
actions | Available Actions
add_policy | Add a Policy to a POMDP Problem Description
Cliff_walking | Cliff Walking Gridworld MDP
cliff_walking | Cliff Walking Gridworld MDP
colors | Default Colors for Visualization in Package pomdp
colors_continuous | Default Colors for Visualization in Package pomdp
colors_discrete | Default Colors for Visualization in Package pomdp
curve_multiple_directed | POMDP Plot Policy Graphs
epoch_to_episode | Define a POMDP Problem
estimate_belief_for_nodes | Estimate the Belief for Policy Graph Nodes
greedy_MDP_action | Functions for MDP Policies
greedy_MDP_policy | Functions for MDP Policies
gridworld | Helper Functions for Gridworld MDPs
gridworld_animate | Helper Functions for Gridworld MDPs
gridworld_init | Helper Functions for Gridworld MDPs
gridworld_matrix | Helper Functions for Gridworld MDPs
gridworld_maze_MDP | Helper Functions for Gridworld MDPs
gridworld_plot_policy | Helper Functions for Gridworld MDPs
gridworld_plot_transition_graph | Helper Functions for Gridworld MDPs
gridworld_rc2s | Helper Functions for Gridworld MDPs
gridworld_s2rc | Helper Functions for Gridworld MDPs
is_converged_POMDP | Define a POMDP Problem
is_solved_MDP | Define an MDP Problem
is_solved_POMDP | Define a POMDP Problem
is_timedependent_POMDP | Define a POMDP Problem
make_fully_observable | Convert between MDPs and POMDPs
make_partially_observable | Convert between MDPs and POMDPs
manual_MDP_policy | Functions for MDP Policies
Maze | Steward Russell's 4x3 Maze Gridworld MDP
maze | Steward Russell's 4x3 Maze Gridworld MDP
MDP | Define an MDP Problem
MDP2POMDP | Convert between MDPs and POMDPs
MDP_policy_evaluation | Functions for MDP Policies
MDP_policy_functions | Functions for MDP Policies
normalize_MDP | Access to Parts of the Model Description
normalize_POMDP | Access to Parts of the Model Description
observation_matrix | Access to Parts of the Model Description
observation_val | Access to Parts of the Model Description
optimal_action | Optimal action for a belief
O_ | Define a POMDP Problem
plot_belief_space | Plot a 2D or 3D Projection of the Belief Space
plot_policy_graph | POMDP Plot Policy Graphs
plot_transition_graph | Transition Graph
plot_value_function | Value Function
policy | Extract the Policy from a POMDP/MDP
policy_graph | POMDP Policy Graphs
POMDP | Define a POMDP Problem
POMDP_example_files | POMDP Example Files
projection | Defining a Belief Space Projection
q_values_MDP | Functions for MDP Policies
random_MDP_policy | Functions for MDP Policies
reachable_and_absorbing | Reachable and Absorbing States
reachable_states | Reachable and Absorbing States
read_POMDP | Read and write a POMDP Model to a File in POMDP Format
regret | Calculate the Regret of a Policy
remove_unreachable_states | Reachable and Absorbing States
reward | Calculate the Reward for a POMDP Solution
reward_matrix | Access to Parts of the Model Description
reward_node_action | Calculate the Reward for a POMDP Solution
reward_val | Access to Parts of the Model Description
round_stochastic | Round a stochastic vector or a row-stochastic matrix
RussianTiger | Russian Tiger Problem POMDP Specification
R_ | Define a POMDP Problem
sample_belief_space | Sample from the Belief Space
simulate_MDP | Simulate Trajectories in a MDP
simulate_POMDP | Simulate Trajectories in a POMDP
solve_MDP | Solve an MDP Problem
solve_MDP_DP | Solve an MDP Problem
solve_MDP_TD | Solve an MDP Problem
solve_POMDP | Solve a POMDP Problem using pomdp-solver
solve_POMDP_parameter | Solve a POMDP Problem using pomdp-solver
solve_SARSOP | Solve a POMDP Problem using SARSOP
start_vector | Access to Parts of the Model Description
Three_doors | Tiger Problem POMDP Specification
Tiger | Tiger Problem POMDP Specification
transition_graph | Transition Graph
transition_matrix | Access to Parts of the Model Description
transition_val | Access to Parts of the Model Description
T_ | Define a POMDP Problem
update_belief | Belief Update
value_function | Value Function
Windy_gridworld | Windy Gridworld MDP
windy_gridworld | Windy Gridworld MDP
write_POMDP | Read and write a POMDP Model to a File in POMDP Format