-- Design and observations for the Curvature exercise

D:=[[500,396,8],
[500,403,13],
[500,404,3],
[800,402,8],
[200,402,8],
[500,645,8],
[500,151,8],
[500,405,8],
[350,248,5],
[350,550,5],
[650,249,5],
[650,555,5],
[350,252,11],
[350,551,11],
[650,254,11],
[650,550,11]];

-- Response values
271.4
268.9
282.8
266.2
297.5
295.1
262.2
269.4
274.8
291.1
266.9
285.4
261
276.5
263.1
280.4

-- Fraction for Halliday et al.

F:=[[-1, 0, 1, 1 ],[-1, 1, 1, 1 ],[-1, 0, 1, 0 ],[ 0, 1, 1, 0 ],
[ 0,-1, 1, 0 ],[ 1, 0, 1, 0 ],[ 1, 0, 1,-1 ],[ 0, 1, 1,-1 ],
[ 0, 0, 1,-1 ],[-1,-1, 1,-1 ],[-1, 0, 1,-1 ],[-1, 1, 1,-1 ],
[ 1,-1, 0,-1 ],[ 1, 0, 0,-1 ],[ 0, 1, 0,-1 ],[-1,-1, 0,-1 ],
[-1, 0, 0,-1 ],[-1, 1, 0,-1 ],[ 1, 0,-1,-1 ],[ 0,-1,-1,-1 ],
[ 0, 0,-1,-1 ],[-1,-1,-1,-1 ],[-1, 1,-1,-1]];