MATLAB FINANCIAL DERIVATIVES TOOLBOX Bedienungsanleitung PDF herunterladen (Seite 81)

(Figure copied from [2])

Matlab function names have the same constraints as variable names. The

name must begin with a letter, which may be followed by any combination of

letters, digits, and underscores. Making all letters in the name lowercase is

recommended as it makes your m-files portable between platforms (of course

the use of upper case assures that the functions names you create do not

resemble any other Matlab function and/or reserved word). The name of the

text file that contains a Matlab function consists of the function name with

the extension .m appended. For example, “DiagExtract.m”.

If the filename and the function definition line name are different, the internal

(

n) name is ignored. Thus, if “DiagExtract.m” is the file that defines a

function named:

n, you would invoke the function by

typing in the command window:

“

t”

Concerning function arguments, if the function has multiple output values,

enclose the output argument list in square brackets “[ ]”. Input arguments, if

present, are enclosed in parentheses “( )”. Use commas to separate multiple

inputs or output arguments. Here's a more complicated example:

“

n [Abs, Mean, Std] =

S(X, Y, Z)”

If there is no output, leave the output blank:

“

s(x)”

or use empty square brackets:

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MATLAB FINANCIAL DERIVATIVES TOOLBOX Bedienungsanleitung Seite 81