AddBias

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 Adds biases to the non-zero elements of measurement vectors
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   Form:  varargout = AddBias( varargin )
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   Inputs - 
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   Meas1          Measurement vector 1 - any size or units
    ...
   MeasN          Measurement vector n- any size or units
   biases  (n)    Bias values to be added. Units must match measurement vectors

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   Outputs
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   adjMeas1       Adjusted measurement vector 1
    ...
   adjMeasN       Adjusted measurement vector n

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