repeated numbers in roots

2 次查看（过去 30 天）
Ali
Ali 2020-6-8
评论： KSSV 2020-6-8
Hi
can anybody tell how to remove repeated number in roots of polynomial eqaution.
w =
0.2278
0.2278
1.0382
1.0382
1.5292
1.5292
0.1738
0.1738
0.3461
0.3461
0.5647
0.5647
0.8437
0.8437
0.9098
0.9098
1.0873
1.0873
1.2007
1.2007

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回答（1 个）

KSSV
KSSV 2020-6-8
iwant = unique(w)
  2 个评论
Ali
Ali 2020-6-8
To find roots of w is
w=roots(w);
r-roots(w);
which is one better and accurate way??
KSSV
KSSV 2020-6-8
Use roots. See to it that the coefficients of the polynomials are arranged as required for the function.

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