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Please note that the recommended version of Scilab is 2024.1.0. This page might be outdated.

See the recommended documentation of this function

# mtlb_e

Matlab extraction emulation function

### Description

Matlab and Scilab extraction behave differently in some particular cases:

When extracting data from a matrix with a vector as index: Matlab returns a row vector and Scilab returns a column vector.

When extracting data from a character string matrix: due to the fact that character string matrices in Matlab can be adressed as any other matrix (each character can be adressed), extraction in such a type of matrix does not differ from other. But in Scilab it can't be done so and

`part`

function has to be used.

The function `mtlb_e(B,k)`

is used by
`mfile2sci`

to replace `A=B(k)`

when it was not
possible to know what were the operands while porting Matlab code to Scilab. This function will
determine the correct semantic at run time. If you want to have a
more efficient code it is possible to replace `mtlb_e`

calls:

If

`B`

is a vector`A=mtlb_e(B,k)`

may be replaced by`A=B(k)`

If

`B`

is a matrix`A=mtlb_e(B,k)`

may be replaced by`A=B(k).'`

If

`B`

is a character string matrix and k is a scalar or a vector`A=mtlb_e(B,k)`

may be replaced by`A=part(B,k)`

Caution: `mtlb_e`

has not to be used for hand coded functions.

### See Also

- Matlab-Scilab_character_strings — Generally speaking about...
- part — extraction of strings

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