Search values and create a new matrix

Hi

You wrotte me in R help and I?m very gratefull.
I couldn?t reply because an illness.

I writte this to see if you can help to solve. I?m a begginer (I?m  
20 years
old ) but I?m trying to learn more about this program also I?m  
learning
Octave.

I need to create a matrix in R whose values depends on the values of  
other
matrix. You see:

I have a first "R" matrix whose first row and first colum are a "key/ 
title"
in my case numbers. Imagine R has a size N,M

The second matrix  "Z" has an N-1,2  size. In this new matrix the  
second
column on Z is equal to the first column on R. The first column has  
numbers
"desordered" but that  will appear on the first row on R.


Each pair on Z (in example row 2 and colum 2) is a point in R.

I want to create a code that searches the values on each row and  
colum on Z
and create a new matrix "F"  whose size is (N-1,1) and whose values  
are each
cross value on R.


In example:

R=
0 12 14 16
1  2     3   6
2   5     5    2
3  6     5   2

Z=

1  14
2   12
3   16

The result should be:

F=

3
5 (point for example is the second row first colum on R)
2

You can guide me?

Sorry for all and many thans I?m getting crazy...

In excel there is a function Search H or Search V similar but only on
dimension not both dimmensions...

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