| 摘要 |
A method of testing an electrical device to determine a range of combinations of values of N variable operating parameters for which the device functions properly is described. In one embodiment, The method comprises defining a plot region comprising a plurality of operating points each corresponding to a particular combination of values of the N variable operating parameters, selecting an operating point within the plot region, testing the device using the combination of values of the N variable operating parameters corresponding to the selected operating point, and if the device functions in a first manner at the selected operating point, adding all operating points of the plot region having a first relationship with respect to the selected operating point to a list of operating points to be tested.
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