Esempio n. 1
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 def __mul__(self, other):
     if isinstance(other,(N.ndarray, list, tuple)) :
         # This promotes 1-D vectors to row vectors
         return N.dot(self, asmatrix(other))
     if isscalar(other) or not hasattr(other, '__rmul__') :
         return N.dot(self, other)
     return NotImplemented
Esempio n. 2
0
 def __mul__(self, other):
     if isinstance(other,(N.ndarray, list, tuple)) :
         # This promotes 1-D vectors to row vectors
         return N.dot(self, asmatrix(other))
     if N.isscalar(other) or not hasattr(other, '__rmul__') :
         return N.dot(self, other)
     return NotImplemented
Esempio n. 3
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    def __getitem__(self, index):
        self._getitem = True

        try:
            out = N.ndarray.__getitem__(self, index)
        finally:
            self._getitem = False

        if not isinstance(out, N.ndarray):
            return out

        if out.ndim == 0:
            return out[()]
        if out.ndim == 1:
            sh = out.shape[0]
            # Determine when we should have a column array
            try:
                n = len(index)
            except:
                n = 0
            if n > 1 and isscalar(index[1]):
                out.shape = (sh,1)
            else:
                out.shape = (1,sh)
        return out
Esempio n. 4
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    def __getitem__(self, index):
        self._getitem = True

        try:
            out = N.ndarray.__getitem__(self, index)
        finally:
            self._getitem = False

        if not isinstance(out, N.ndarray):
            return out

        if out.ndim == 0:
            return out[()]
        if out.ndim == 1:
            sh = out.shape[0]
            # Determine when we should have a column array
            try:
                n = len(index)
            except:
                n = 0
            if n > 1 and isscalar(index[1]):
                out.shape = (sh,1)
            else:
                out.shape = (1,sh)
        return out