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Problem 3: deformation of a line show twist. Shown is the deformed location of the line t=0.5 (a) (in the perspective shown figure 2g, replicated here in panel c), with details of the region around x=5 (b). Note that the line for the reference configuration starts at x≈−8.18 like the deformed line, but overlaps itself on the segment x∈[−8.18,−8.5] owing to the perspective shown. (Online version in colour.)
