In these cases, the wavefunctions of the system in question are represented as vectors, the components of which correspond to coefficients in a linear combination of the basis functions in the basis set used. The operators are then represented as matrices, (rank two tensors), in this finite basis.
General data can be found below: The highest rate for a single month is shared by November and December of 1982 with an unemployment rate of 10.8%. The year with the highest average unemployment rate was 1982 with an average unemployment rate of 9.71%. --. The lowest rate for a single month is shared by May and June of 1953 with an unemployment rate of 2.5%. The year with the lowest average unemployment rate was 1953 with an average unemployment rate of 2.93%.
The unemployment rate (U-3), measured as the number of persons unemployed divided by the civilian labor force, rose from 5.0% in December 2007 to peak at 10.0% in October 2009, before falling to the low level of 4.7% by May 2016.