How can you make Python take a polynomial as an input while maintaining the ability to substitute x for a real value?
Here is what I tried:
fx=input("Enter a Polynomial: ")
x=float(input("At wich position should the polynomial be evaluated: "))
This should help:
def eval_polynomial(poly, val): xs = [ x.strip().replace('^','**') for x in poly.split('+') ] return sum( [eval(n.replace('x', str(val))) for n in xs] )
Please keep in mind that you earlier have to make sure val is a number for safety reasons.