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. Author manuscript; available in PMC: 2016 Aug 23.
Published in final edited form as: Linear Algebra Appl. 2015 Oct 23;502:104–125. doi: 10.1016/j.laa.2015.09.052
Degree N Points Weights
3 4 ±(0.46503, 0.464462) 1.545
±(0.855875, −0.855943) 0.454996
5 7 ±(0.673625, 0.692362) 0.595115
±(0.40546, −0.878538) 0.43343
±(−0.901706, 0.340618) 0.3993
(0, 0) 1.14305
7 12 ±(0.757951, 0.778815) 0.304141
±(0.902107, 0.0795967) 0.203806
±(0.04182, 0.9432) 0.194607
±(0.36885, 0.19394) 0.756312
±(0.875533, −0.873448) 0.0363
±(0.589325, −0.54688) 0.50478