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Commit 2fa2056

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add .Tx and .Ty class methods for constructing pure translational SE2
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‎spatialmath/pose2d.py

Copy file name to clipboardExpand all lines: spatialmath/pose2d.py
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@@ -397,6 +397,55 @@ def Exp(cls, S, check=True): # pylint: disable=arguments-differ
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return cls([tr.trexp2(s) for s in S])
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else:
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return cls(tr.trexp2(S), check=False)
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@classmethod
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def Tx(cls, x):
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"""
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Create an SE(2) translation along the X-axis
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:param x: translation distance along the X-axis
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:type x: float
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:return: SE(2) matrix
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:rtype: SE2 instance
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`SE2.Tx(x)` is an SE(2) translation of ``x`` along the x-axis
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Example:
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.. runblock:: pycon
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>>> SE2.Tx(2)
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>>> SE2.Tx([2,3])
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:seealso: :func:`~spatialmath.base.transforms3d.transl`
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:SymPy: supported
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"""
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return cls([base.transl2(_x, 0) for _x in base.getvector(x)], check=False)
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@classmethod
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def Ty(cls, y):
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"""
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Create an SE(2) translation along the Y-axis
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:param y: translation distance along the Y-axis
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:type y: float
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:return: SE(2) matrix
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:rtype: SE2 instance
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`SE2.Ty(y) is an SE(2) translation of ``y`` along the y-axis
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Example:
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.. runblock:: pycon
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>>> SE2.Ty(2)
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>>> SE2.Ty([2,3])
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:seealso: :func:`~spatialmath.base.transforms3d.transl`
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:SymPy: supported
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"""
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return cls([base.transl2(0, _y) for _y in base.getvector(y)], check=False)
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@staticmethod
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def isvalid(x, check=True):

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