public static double equatePolyXPoly(polyterm[] anArray, string[] variables)
{
string[,] variables2 = new string[variables.Length, 2];
char[] sep = new char[] { '=', ' ' };
int i = 0;
foreach (string avar in variables)
{
string[] splitavar1 = avar.Split(sep, System.StringSplitOptions.RemoveEmptyEntries);
foreach (string term in splitavar1)
{
if (IsDigit(term) == false)
{ variables2[i, 0] = term; variables2[i, 1] = ""; }
if (IsDigit(term) == true)
{ variables2[i, 1] = term; break; }
}
i++;
}
if (testprint == true)
{
for (i = 0; i <= variables2.GetUpperBound(0); i++)
{
for (int j = 0; j <= variables2.GetUpperBound(1); j++)
{
Console.Write("i[{0}]j[{1}]str[{2}] ", i, j, variables2[i, j]);
}
Console.WriteLine();
}
}
//check if input terms are present.
for (i = 0; i <= variables2.GetUpperBound(0); i++)
{
for (int j = 0; j <= anArray.GetUpperBound(0); j++)
{
if (variables2[i, 0] == anArray[j].x)
{
break;
}
}
}
i = 0;
double mult = 1;
foreach (polyterm aterm in anArray)
{
for (int j = 0; j <= variables2.GetUpperBound(0); j++)
{
if (aterm.x == variables2[j, 0] || aterm.x == " ")
{
mult *= aterm.equateterm(double.Parse(variables2[j, 1]));
if (testprint == true) { Console.WriteLine("mult [{0}] aterm [{1}]", mult,aterm); }
}
}
}
return mult;
}
public static double equatePolyPlusPoly(polyterm[] anArray, string[] variables)
{
string[,] variables2 = new string [variables.Length, 2];
char[] sep = new char[] { '=' , ' '};
int i = 0;
foreach (string avar in variables)
{
string[] splitavar1 = avar.Split(sep, System.StringSplitOptions.RemoveEmptyEntries);
foreach (string term in splitavar1)
{
if (IsDigit(term) == false)
{ variables2[i, 0] = term; variables2[i, 1] = "0"; }
if (IsDigit(term) == true)
{ variables2[i, 1] = term; break; }
}
i++;
}
//check if input terms are present.
for (i = 0; i <= variables2.GetUpperBound(0); i++)
{
for (int j = 0; j <= anArray.GetUpperBound(0); j++)
{
if (variables2[i, 0] == anArray[i].x)
{
break;
}
if (j == anArray.GetUpperBound(0)) { Console.WriteLine("Variable isn't present in Equation"); return 0; }
}
}
i = 0;
double sum = 0.0;
foreach (polyterm aterm in anArray)
{
for (int j = 0; j <= variables2.GetUpperBound(0); j++)
{
if (aterm.x == variables2[j, 0])
{
sum += aterm.equateterm(double.Parse(variables2[j, 1]));
}
}
}
return sum;
}