The XYZ company manufactures mobile phones. It is currently considering introducing two new lines of phone, the Standard and the Executive. Each phone needs a battery, a chip, and an injection-moulded ...

This is a preview. Log in through your library . Abstract A new principle for choosing portfolios based on historical returns data is introduced; the optimal portfolio based on this principle is the ...

This is a preview. Log in through your library . Abstract A method is proposed for finding a closed form expression for the cumulative distribution function (CDF) of the maximum value of the objective ...

SOME years ago you published some interesting communications in regard to the graphical solution of cubic and quartic equations (vol. lxi. p. 55, vol. lxiii. pp. 515 and 609, vol. lxiv. p. 5). The ...