Figure 20: Errors on the equation of state. and marginalized probability regions for the
parameters and , relative to the reference case and bias . The blue dashed
ellipses are obtained fixing and to their fiducial values and marginalizing over all
the other parameters; for the red shaded ellipses instead, we also marginalize over but we
fix . Finally, the black dotted ellipses are obtained marginalizing over all parameters but
and . The progressive increase in the number of parameters reflects in a widening of the ellipses
with a consequent decrease in the figures of merit (see Table 11).
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