SAS/IML software has many built-in functions that generate useful matrices. For example, the J function creates a matrix with a given dimension and element value when you supply the number of rows and ...

Often you need to define regular matrices, i.e. that have a regular pattern of entries. For example: A=eye(3) sets up a 3x3 identity matrix usually represented by I hence the name of the function. In ...

An honest math text that circumvents the traditional definition-theorem-proof format that has bored students in the past, this book uses modern concepts and notation to introduce aspects of linear ...

The central data structure in Octave is the matrix and the sooner we get to grips with it the better. All data in Octave is a matrix even a single number is a 1x1 matrix. You define a variable by ...