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The Theory of the Imaginary in Geometry, together with the Trigonometry of the Imaginary. By Prof. J. L. S. Hatton. Pp. vii + 215. (Cambridge: At the University Press, 1920.) Price 18 s. net.
Abstract: In this paper, the problem of attitude tracking control with arbitrary convergence time is addressed for rigid spacecraft subjected to external disturbances. A novel time-varying sliding ...
This study aimed to apply mathematical models to the growth of Nile tilapia (Oreochromis niloticus) reared in net cages in the lower São Francisco basin and choose the model(s) that best represents ...
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