[Tutor] script comparing two values - ASCII encoding error

[Mic Forster]

Hi Guys,

I repeated the code you recommended and had no
problem. All of the sudden this started happening:


>>> def f(k, s):
        return k / (1-k) * (1-k)**s / (1-(1-k)**s)

>>> j = 1. / 862
>>> s = 11
>>> def bisect(min, max, delta, function):
        fMax = function(max)
        fMin = function(min)	
        assert fMax * fMin < 0
        while max - min > delta:
                newX = 0.5 * (min + max)
                fNew = function(newX)
                if fNew * fMax > 0:
                        # fNew has same sign as fMax,
so newX should 
	                        max, fMax = newX, fNew
                else:
                        min, fMin = newX, fNew
        return newX, fNew

>>> def fun(x):
        return f(x, s) – j

UnicodeError: ASCII encoding error: ordinal not in
range(128)


Help???



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