. Decimal point. 325/100, 3.25 and .325e1 are all the same.
. Array operations. Element-by-element multiplicative operations
are obtained using .* , .^ , ./ , .\ or .'. For example,
C = A ./ B is the matrix with elements c(i,j) = a(i,j)/b(i,j).
.. Parent directory. See CD or CHDIR.
... Continuation. Three or more decimal points at the end of
a line causes the following line to be a continuation.
, Comma. The comma is used to separate matrix subscripts
and arguments to functions. It is also used to separate
statements in multi-statement lines. In this situation,
it may be replaced by a semicolon to suppress printing.
; Semicolon. The semicolon is used inside brackets to indicate
the ends of the rows of a matrix. It is also used after an
expression or statement to suppress printing.
% Percent. The percent symbol is used to begin comments.
Logically, it serves as an end-of-line character. Any
following text on the line is ignored or printed by the
! Exclamation point. Any text following the '!' is issued
as a command to the underlying computer operating system.
(not available on Macintosh).
' Transpose. X' is the complex conjugate transpose of X.
X.' is the non-conjugate transpose.
' Quote. 'ANY TEXT ' is a vector whose components are the
ASCII codes for the characters. A quote within the text
is indicated by two quotes. For example: 'Don''t forget.'
= Assignment. B = A stores the elements of A in B.
See also RELOP .