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. Author manuscript; available in PMC: 2016 Jan 4.
Published in final edited form as: Methods Cell Biol. 2014;123:367–394. doi: 10.1016/B978-0-12-420138-5.00020-3

FIGURE 20.3.

FIGURE 20.3

Choice of the regularization parameter. (A) Histogram of the displacement error obtained by tracking beads in a region where no gel deformation occurs. Dotted line is a Gaussian fit. (B) Histogram of symmetrized traction in x1 and x2 directions. Data were collected from adhesion sites and their immediate proximity in one cell. A Gaussian fit (dotted line) allows to estimate the prior distribution of traction. (C) Example for the dependence of the overall traction magnitude on the regularization parameter.