MATLAB FINANCIAL DERIVATIVES TOOLBOX Bedienungsanleitung PDF herunterladen (Seite 44)

In addition, there are special cases where the step is defined to be a different

integer number other than 1. Some paradigms follow:

Matlab’s command:

>> A(:,1), A(1,:), A(:,1:3), A=[A', A'.*2], A(2:3,3:4)

>> A(1:3,1:2)=A(2:end,3:end)

Matlab’s response:

ans =

-2

ans =

1 -2 5 -3

ans =

1 -2 5

-2 2 4

A =

1 -2 2 -4

-2 2 -4 4

5 4 10 8

-3 1 -6 2

ans =

-4 4

10 8

ans =

-2 -4

A =

-4 4 2 -4

10 8 -4 4

-6 2 10 8

-3 1 -6 2

Comments:

The first command, instructs for the extraction of the first column

whilst the second for the extraction of the first row. The following

one instructs for the extraction of the 1

, 2

and 3

columns.

Afterwards,

A is re-built; the following command instructs for the

extraction of the sub-matrix that is composed from the elements

A that are included in: 2

and 3

row – 3

and 4

columns.

The following command is a special case where the step in the

colon expression is different than 1. The last command is a more

tricky use of the colon.

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 118 119

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