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Multi-agent gradient climbing via extremum seeking control

A unified framework based on discrete-time gradient-based extremum seeking control is proposed to localise an extremum of an unknown scalar field distribution using a group of equipped with sensors. The controller utilises estimates of gradients of the field from local dithering sensor measurements collected by the mobile agents. It is assumed that distributed coordination which ensures uniform as

Setting a Trend: Feminisation of the Commercial Bank Sector in Sweden, 1864-1975

When Stockholms Enskilda Bank hired two women in 1864, it waspresumably the first bank in the world to do so. The fashion ofhiring women gradually spread, and bank telling became femaledominated.We describe and analyze this process, identifying threeperiods in the feminization of the Swedish commercial banksector. Economic, institutional, technological, and cultural factorswere all instrumental in

Risk factors for community-based home help services among patients with Alzheimer’s disease.

Objectives: To identify factors that predict the use of community-based home help services in long-term cholinesterase inhibitor (ChEI)-treated patients with Alzheimer’s disease (AD). Methods: The Swedish Alzheimer Treatment Study (SATS) is an open, prospective, non-randomized, multicentre study in a routine clinical setting. Patients with AD living at home at the time of inclusion received treatm

Taking Problem-Solving Seriously

Instructions in Wason’s Selection Task underdetermine empirical subjects’ representation of the underlying problem, and its admissible solutions. We model the Selection Task as an (ambiguous) interrogative learning problem, and reasoning to solutions as: (a) selection of a representation of the problem; and: (b) strategic planning from that representation. We argue that recovering Wason’s ‘normati