Numerically determining solutions of systems of polynomial equations

@inproceedings{Li1988NumericallyDS,
  title={Numerically determining solutions of systems of polynomial equations},
  author={T. Y. Li and Tim Sauer and James A. Yorke},
  year={1988}
}
A viewfinder for a camera includes a front masking portion and a movable rear masking portion for providing multiple frame-defining formats in a viewing area. According to the invention, the front masking portion includes a pair of independently movable masking plates which are separately attached to the rear masking portion by a pair of cam follower levers which allow one of the front masking plates to move into the field of view of the viewfinder when the rear masking portion is moved a first… CONTINUE READING

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