public RealVector this[string ColumnsOrRows]
{
get
{
RealVector retVal = new RealVector();
if (ColumnsOrRows.Length != 2 && ColumnsOrRows.IndexOf(".") == -1)
{
throw new Exception("Bad indexer. Should by .j or i. with i or j being numeric such as .1 or 2.");
}
RowOrColumn rc = new RowOrColumn();
try
{
if (ColumnsOrRows[0] == '.') // Column
{
rc.rowColumn = RowColumn.Column;
rc.Val = int.Parse(ColumnsOrRows[1].ToString()) - 1;
}
else // Row
{
rc.rowColumn = RowColumn.Row;
rc.Val = int.Parse(ColumnsOrRows[0].ToString()) - 1;
}
}
catch
{
throw new Exception("Bad indexer. Should by .j or i. with i or j being numeric such as .1 or 2.");
}
retVal = this[rc];
retVal.FullRep = this.Name + "_" + ColumnsOrRows + @"\;=\;" + retVal.ToLatex();
retVal.IsRowOrColumn = rc.rowColumn;
return(retVal);
}
}
public RealVector this[RowOrColumn rc]
{
get
{
RealVector retVal = new RealVector();
if (rc.rowColumn == RowColumn.Column)
{
retVal = this[rc.Val];
}
else
{
for (int rowCount = 0; rowCount < Columns; rowCount++)
{
retVal.Add(InternalRep[rc.Val, rowCount]);
}
}
return(retVal);
}
set
{
if (rc.rowColumn == RowColumn.Column)
{
this[rc.Val] = value;
}
else
{
for (int colcount = 0; colcount < Columns; colcount++)
{
InternalRep[rc.Val, colcount] = value[colcount];
}
}
}
}
public SquareRealMatrix Transpose()
{
SquareRealMatrix retVal = new SquareRealMatrix(this.Rows, this.Columns);
RowOrColumn rc = new RowOrColumn();
rc.rowColumn = RowColumn.Row;
rc.Val = 0;
for (int rowCount = 0; rowCount < Rows; rowCount++)
{
RealVector rv = this[rowCount];
rc.Val = rowCount;
retVal[rc] = rv;
}
return(retVal);
}
public SymbolMatrix ReName(List <string> newSymbols)
{
SymbolMatrix flipper = new SymbolMatrix(this.Rows, this.Columns);
RowOrColumn rc = new RowOrColumn();
rc.rowColumn = RowColumn.Row;
rc.Val = 0;
SymbolVector oldSymbols = this[rc];
for (int rowCount = 0; rowCount < Rows; rowCount++)
{
for (int colCount = 0; colCount < Columns; colCount++)
{
int ind = oldSymbols.FindIndex(f => f.Expression == this[rowCount, colCount].Expression);
Symbol sym = new Symbol(newSymbols[ind]);
sym.IsExpression = true;
flipper[rowCount, colCount] = sym;
}
}
return(flipper);
}