from bumps.names import *


def line(x, m, b):
    return m * x + b


# Simulated data for f(x)=mx+b with m=1.972(20) and b=0.11(5)
x = [1, 2, 3, 4, 5, 6]
y = [2.1, 4.0, 6.3, 8.03, 9.6, 11.9]
dy = [0.05, 0.05, 0.2, 0.05, 0.2, 0.2]

M = Curve(line, x, y, dy, m=2, b=0)
M.m.range(0, 4)
M.b.range(0, 5)

problem = FitProblem(M, constraints=[M.m < M.b])