Posts Tagged ‘Dürer’s magic square’
Logical Subscripting
May 10th, 2010 No Comments Posted in Functions
The logical vectors created from logical and relational operations can be used to reference
subarrays. Suppose X is an ordinary matrix and L is a matrix of the same size that is the
result of some logical operation. Then X(L) specifies the elements of X where the
elements of L are nonzero. Read More
Linear Algebra
May 8th, 2010 No Comments Posted in Controls
Informally, the terms matrix and array are often used interchangeably. More precisely, a
matrix is a two-dimensional numeric array that represents a linear transformation. The
mathematical operations defined on matrices are the subject of linear algebra. Read More