ops.py 文件源码

def make_node(self, x):
        # x could be one of a number of types
        # the only thing we require is that the variable have a .ndim,
        # and that the value have a .shape
        if not isinstance(x, theano.Variable):
            raise TypeError('x must be Variable with ndim attribute', x)
        if x.ndim <= self.i:
            raise TypeError('x has too few dimensions for Shape_i',
                            (x, self.i))
        return theano.Apply(self, [x], [theano.tensor.lscalar()])