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Scilab manual >> Matlab to Scilab Conversion Tips > Matlab-Scilab equivalents > H > hankel (Matlab function)

# hankel (Matlab function)

Hankel matrix

### Matlab/Scilab equivalent

 Matlab Scilab `hankel` `hank`

### Particular cases

The main difference between Scilab and Matlab function is that they do not use the same input values to build an Hankel matrix. If in Matlab, you just have to give a column vector (and eventually a row vector), Scilab function requires the size of the Hankel matrix to build and a covariance sequence vector for this matrix. (See syntax below)

### Examples

 Matlab Scilab ```H1 = hankel(C1) H2 = hankel(C2,R2)``` ```N1 = size(C1,"*"); COV1 = [matrix(C1,1,-1),zeros(1,N1)]; H1 = hank(N1,N1,COV1); M2 = size(C2,"*"); N2 = size(R2,"*"); COV2 = [matrix(C2,1,-1),matrix(R2(2:\$),1,-1)]; H2 = hank(M2,N2,COV2);```