Howell E. Jackson, Loan-Level Disclosure in Securitization Transactions: A Problem with Three Dimensions, in Moving Forward: The Future of Consumer Credit and Mortgage Finance 189 (Nicolas P. Retsinas & Eric S. Belsky eds., Brookings Inst. Press 2011).
Those companies that approach this three-dimensional problem with only two dimensions — by cutting corners or finding "shortcuts" — have found themselves lost.
The first strategy, known as "incremental algorithms," is illustrated with the convex-hull problem in two dimensions.
Solve problems in two dimensions.
There is no need to stop with three dimensions.
They don't want to bother with three dimensions.
17 The EQ-5D-3L is a generic instrument with five dimensions of health (mobility, self care, usual activities, pain and discomfort, anxiety and depression) and three levels (no problems, some problems, severe problems).
The EQ-5D_index is a questionnaire with five dimensions (mobility, self-care, usual activities, pain/discomfort and anxiety/depression), which are divided into three degrees of severity, 'no problem', 'some problems' or 'major problems'.
As model problem serves, for the ease of presentation, the interface problem for the Laplacian in two dimensions with an inhomogeneous volume force in the interior.
Numerical results are given for test problems with exact solutions in two dimensions.
The most frequently reported EQ-5D health state was the one with moderate problems in the two dimensions "pain/discomfort" and "anxiety/depression" (11122), which was indicated by 21.2% of all respondents (Table S2, Additional file 2).
