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Fig. 2 | Pacific Journal of Mathematics for Industry

Fig. 2

From: Optimal control theory for applications in Magnetic Resonance Imaging

Fig. 2

(Color online) Contour plot of the trajectories \(\dot {R}(\theta)\) for two different sets of relaxation parameters. The red line is the line for which \(\dot {R}=0\). The blue and green lines are the set of points where \(\dot {r}\) is minimum, while the points of the yellow one correspond to a maximum. The small inserts display in the (y,z)- plane the trace of the corresponding sets of points. Circles of different radii are also plotted to help the reading

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