Figure 11 A line graph showing FSign2 as...

Figure 11

A line graph showing FSign2 as a function of Cai. The x-axis represents Cai ranging from 0.0 to 1.0, and the y-axis represents FSign2 ranging from 0 to 12. The graph features a single red line that starts at a high value, dips to a minimum around Cai equals 0.6, and then rises again. There is also a horizontal blue line at FSign2 equals 0. All values are approximated.

$F S i g n 2 = t_{int}^{″} \cdot D^{2}$ as a function of $χ$ with $γ = 0.8$ ⁠, $\tan θ = - 2.619$ and $α = 0.3$ ⁠. Note that we have assumed that ${S]}_{D = 0} > 0$ ⁠. It can happen that ${S]}_{D = 0} < 0$ for one root in $χ$ and that ${S]}_{D = 0} > 0$ for the other root in $χ$ in which case $F S i g n 2 = 0$ only for ${S]}_{D = 0} > 0$ ⁠. The results still hold. If ${S]}_{D = 0} < 0$ for both roots, then $F S i g n 2 < 0$ in the feasible range of $χ$ ⁠. Again, the results will hold

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