function evalmpfit

Evaluate a function at specified x values

Syntax
result = evalmpfit(x, parameters, function)

Arguments
x:   The x-Values where to evaluate
parameters:   The parameters of the function to be evaluated
function:   A string describing the function to be evaluated


Returns
A vector of same length as x with the function evaluated

Examples
y = evalmpfit(([1:100]-50)/10, [2.3,.2,.1], "a+b*x+c*x*x")