public static SLValueList EvalPolarFce(string xexpr, string yexpr, double from, double to, double step)
{
if (from >= to)
{
return(null);
}
if ((to - from) < step)
{
return(null);
}
SLValueList newdata = new SLValueList();
SLMath.SLMathExp mathx = new SLMathExp();
SLMath.SLMathExp mathy = new SLMathExp();
mathx.Expresion = xexpr;
mathy.Expresion = yexpr;
MathVar var1 = mathx.AddVariable("x", 0);
MathVar var2 = mathy.AddVariable("x", 0);
for (double i = from; i < to + step; i += (double)step)
{
if (Math.Abs(i) < 0.00001)
{
i = 0;
}
i = Math.Round(i, 5);
var1.value = i;
var2.value = i;
double x = mathx.Evaluate();
double y = mathy.Evaluate();
SLValueXY val = new SLValueXY();
val.X = x;
val.Y = y;
newdata.Add(val);
}
//Add(newdata);
return(newdata);
}
// STATICKE FUNKCE
public static SLValueList EvaluateFce(string expr, double xfrom, double xto, double step)
{
if (xfrom >= xto)
{
return(null);
}
if ((xto - xfrom) < step)
{
return(null);
}
SLValueList newdata = new SLValueList();
newdata.Title = expr;
SLMath.SLMathExp math = new SLMathExp();
math.Expresion = expr;
MathVar var = math.AddVariable("x", 0);
for (double i = xfrom; i < xto + step; i += (double)step)
{
if (Math.Abs(i) < 0.00001)
{
i = 0;
}
i = Math.Round(i, 5);
var.value = i;
double x = i;
double y = math.Evaluate();
SLValueXY val = new SLValueXY();
val.X = x;
val.Y = y;
newdata.Add(val);
}
//Add(newdata);
return(newdata);
}
