- Scalar Functions:
- These functions operate on scalars, and
treat matrices in an element-by-element fashion. Some
examples are:
function1 function2 function2 function4
abs exp floor round
cos sin tan ceil
sqrt real imag conj
isnan int
- Vector Functions:
- These functions operate on vectors,
either row-vectors (1-by-n) or column vectors (m-by-1),
in the same fashion. If the argument is a matrix with both
dimensions > 1 then the operation is performed in a
column-wise fashion. Some examples are:
function1 function2 function2 function4
sum prod mean max
min fft sort any
When using a vector oriented function, like max(),
on a general matrix, it is possible to obtain scalar
quantities. For example the maximum value in a matrix can
be obtained using max (max (a)). The first call to
max() returns a vector of the maximum values from
each column, and the second call to max() returns
the maximum value in the matrix.
- Matrix Functions:
- These functions operate on matrices as a
single entity. Some examples are:
function1 function2 function2 function4
balance chol det eig
hess inv lu norm
pinv qr rank rcond
reshape solve svd symm