MATLAB FINANCIAL DERIVATIVES TOOLBOX Manuel d'utilisateur télécharger pdf (Page 41)

It is the same idea with the transpose of a row vector to a column one and

vise versa. The transpose of an

matrix is an

one that is found if

the rows of the original matrix become columns in the transposed one.

Recall that the transpose in Matlab is performed with “ ' ”. See the following

examples to digest this issue.

Matlab’s command:

>> A4=[1 2 3; 4 5 6], size(A4), A4', size(A4'), A5=[A4' A4']

Matlab’s response:

A4 =

1 2 3

4 5 6

ans =

2 3

ans =

1 4

2 5

3 6

ans =

3 2

A5 =

1 4 1 4

2 5 2 5

3 6 3 6

Comments:

Exploiting the transpose of a matrix.

2.2.2 Elaborating on Parts of Matrices – The Colon Notation

As noted before, in Matlab, a matrix element position is indexed according to

the row and column number. Recall the aforementioned “A” matrix:













−

−−

1422

3521

If someone wants to extract the elements:

a ,

a , , and

a , this can be

done in the following way (

A has already been created and should be stored

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 118 119

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