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%.
A sobering U.S. Labor Department jobs report Friday showed the economy lost 524,000 jobs in December and 1.9 million in the year's final four months, after the credit crisis began in September. The unemployment rate rose to 7.2% last month from 6.7% in November - its highest rate since January 1993.