public IActionResult GetEquationSystem([FromBody] HybridSystemRequest hybridRequest)
{
if (hybridRequest.Type != ModuleType.Multiple)
{
return(BadRequest());
}
var systemRequest = HybridToSystemRequest(hybridRequest, _ => _);
var system = (MultipleModuleSystem)systemRequest.ToSystem();
var graph = new SystemStateGraph(system, false);
var matrix = graph.BuildWeightMatrix();
var result = new List <List <double> >();
var sb = new StringBuilder();
for (var row = 0; row < matrix.GetLength(0); row++)
{
sb.Append($"P{row + 1}(t)/dt = ");
var currentEq = new List <double>();
for (var col = 0; col < matrix.GetLength(1); col++)
{
matrix[row, col] = Math.Round(matrix[row, col], 7, MidpointRounding.AwayFromZero);
currentEq.Add(matrix[row, col]);
if (matrix[row, col] != 0)
{
var value = matrix[row, col] < 0
? $" - {(-1 * matrix[row, col]).ToString(CultureInfo.InvariantCulture)}"
: $" + {matrix[row, col].ToString(CultureInfo.InvariantCulture)}";
sb.Append($"{value} * P{col + 1}(t)");
}
}
result.Add(currentEq);
sb.AppendLine();
}
return(Ok(new EquationSystemModel
{
Coefficients = result,
SystemStates = graph.AllPossibleStates.Select(ToModel)
}));
}
