# cost_value > Calculate the total cost --- ## Description cost_value calculates the total cost of a schedule under a specific scenario. ## Syntax ```matlab cost = cost_value(scenario,u) cost = cost_value(scenario,u,rho) ``` ## Input Arguments | Name | Type | Description | |------|------|--------------| | `scenario` | *Scenario object* | Scenario object that specifies the optimization problem. | | `u` | *T×N_c matrix* | Charging/discharging schedule for each charger | | `rho` | *5000 (default) \| nonnegative scalar* | Penalty parameter for cost calculation | ## Output Arguments | Name | Type | Description | |------|------|--------------| | `matrices` | *struct* | Structure containing matrices for cost calculation. |