Ashley Trent

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In this paper, we combine the theoretical result of Pontryagin's Minimum Principle and a new numerical method to obtain a fast algorithm for the trajectoiy design problem for a reusable launch vehicle. We work with the outerloop equations for an aircraft and consider the angle-of-attack to be the input. We cast the trajectoty design problem as an optimal(More)
Two common natural family planning (NFP) methods are the ovulation method based on characteristics of cervical mucus and the symptothermal method based on changes in cervical mucus, basal body temperature, and the cervix. Both methods are effective when used correctly. Nurses should understand the principles of NFP and introduce these methods in discussions(More)
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