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convert/signum - convert an expression with abs to signum
convert/abs - convert an expression with signum to abs
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Calling Sequence
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convert(expr, signum)
convert(expr, abs)
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Description
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The convert/signum function converts all abs functions appearing in the expression to signum.
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The convert/abs function converts all signum functions appearing in the expression to abs.
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The signum(x) calling sequence is defined as abs(x)/conjugate(x) if x is not 0, and undefined if x is 0.
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