Finds coefficients for quadratic equations using bruteforce. Use only when you cannot find them by yourself

coefficients_bruteforce.py

known_points = [(-2, -1), (-3, 1), (1, 5)]

step = 0.25
max_value = 3


a = -max_value
while a <= max_value:
    b = -max_value
    while b <= max_value:
        c = -max_value
        while c <= max_value:
            if all(
                y == (a * (x ** 2) + b * x + c)
                for x, y in known_points
            ):
                print(f"{a=}, {b=}, {c=}")
                exit()
            c += step
        b += step
    a += step