One of the fundamental operations in machine learning is computing the inverse of a square matrix. But not all matrices have an inverse. The most common way to check if a matrix has an inverse or not ...

An important problem in econometric theory requires inversion of a Leontief matrix of inter-industry transactions, the order of such a matrix being equal to the number of industries comprising the ...

The Leontief matrices of inter-industry transactions are large, a row for each industry in a nation. It would be desirable to invert such matrices of an order of from 100 to 200. The present paper ...