If you are looking for the sensitivities of power injections w.r.t. changes in 
voltage angle, that would be the Bbus matrix from equation (3.32) in the User’s 
Manual <http://www.pserc.cornell.edu/matpower/docs/MATPOWER-manual-6.0.pdf> 
which is returned from makeBdc() 
<http://www.pserc.cornell.edu/matpower/docs/ref/matpower6.0/makeBdc.html>.

    Ray


> On Apr 10, 2018, at 5:04 AM, naime ahmadi <[email protected]> wrote:
> 
> Thank you. 
> Actually I read that chapter. My problem is getting DC Jacobian matrix from 
> matpower.
> Does j11 be the DC Jacobian matrix?  
> mpc=loadcase('case14');
> [j11,j12,j21,j22,J, Ybus, Yf, Yt] = makeJac(mpc);
> 
> 
>  
> 
> On Mon, Apr 9, 2018 at 7:26 PM, Saeed Ahmed <[email protected] 
> <mailto:[email protected]>> wrote:
> Hi Ahmadi...
> 
> First you need to understand the DC or linear State Estimation . You can find 
> Chap 2 of Ali Abur's Book.  
> After that you can use the built-in functions in MATPOWER for the formulation 
> of H vector and this all becomes simple once you have solid understanding of 
> theory... 
> 
> Regards
> Saeed Ahmed
> 
> 
> On 9 April 2018 at 15:46, naime ahmadi <[email protected] 
> <mailto:[email protected]>> wrote:
> Hi, 
> How can I use matpower to calculate DC state estimation?
> Kind Regards,
> Naime 
> 
> 

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