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more examples
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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@ -58,6 +58,29 @@ class Numeral:
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True
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>>> Numeral(m[x])**2
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2
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We can also isolate the roots of polynomials.
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>>> x0, x1, x2 = RealVarVector(3)
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>>> r0 = isolate_roots(x0**5 - x0 - 1)
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>>> r0
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[1.1673039782?]
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In the following example, we are isolating the roots
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of a univariate polynomial (on x1) obtained after substituting
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x0 -> r0[0]
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>>> r1 = isolate_roots(x1**2 - x0 + 1, [ r0[0] ])
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>>> r1
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[-0.4090280898?, 0.4090280898?]
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Similarly, in the next example we isolate the roots of
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a univariate polynomial (on x2) obtained after substituting
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x0 -> r0[0] and x1 -> r1[0]
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>>> isolate_roots(x1*x2 + x0, [ r0[0], r1[0] ])
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[2.8538479564?]
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"""
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def __init__(self, num, ctx=None):
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if isinstance(num, Ast):
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