增加环绕侦察场景适配
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@@ -80,8 +80,6 @@ numpy.polynomial
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"""
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import numpy as np
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import numpy.linalg as la
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from numpy.lib.array_utils import normalize_axis_index
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from . import polyutils as pu
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from ._polybase import ABCPolyBase
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@@ -676,7 +674,7 @@ def legder(c, m=1, scl=1, axis=0):
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iaxis = pu._as_int(axis, "the axis")
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if cnt < 0:
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raise ValueError("The order of derivation must be non-negative")
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iaxis = normalize_axis_index(iaxis, c.ndim)
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iaxis = np.lib.array_utils.normalize_axis_index(iaxis, c.ndim)
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if cnt == 0:
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return c
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@@ -799,7 +797,7 @@ def legint(c, m=1, k=[], lbnd=0, scl=1, axis=0):
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raise ValueError("lbnd must be a scalar.")
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if np.ndim(scl) != 0:
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raise ValueError("scl must be a scalar.")
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iaxis = normalize_axis_index(iaxis, c.ndim)
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iaxis = np.lib.array_utils.normalize_axis_index(iaxis, c.ndim)
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if cnt == 0:
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return c
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@@ -1164,7 +1162,7 @@ def legvander2d(x, y, deg):
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correspond to the elements of a 2-D coefficient array `c` of shape
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(xdeg + 1, ydeg + 1) in the order
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.. math:: c_{00}, c_{01}, c_{02} ... , c_{10}, c_{11}, c_{12} ...
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.. math:: c_{00}, c_{01}, c_{02}, ... , c_{10}, c_{11}, c_{12}, ...
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and ``np.dot(V, c.flat)`` and ``legval2d(x, y, c)`` will be the same
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up to roundoff. This equivalence is useful both for least squares
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@@ -1464,7 +1462,7 @@ def legroots(c):
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# rotated companion matrix reduces error
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m = legcompanion(c)[::-1, ::-1]
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r = la.eigvals(m)
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r = np.linalg.eigvals(m)
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r.sort()
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return r
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@@ -1510,7 +1508,7 @@ def leggauss(deg):
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# matrix is symmetric in this case in order to obtain better zeros.
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c = np.array([0] * deg + [1])
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m = legcompanion(c)
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x = la.eigvalsh(m)
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x = np.linalg.eigvalsh(m)
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# improve roots by one application of Newton
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dy = legval(x, c)
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