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On Tue, Jan 9, 2018 at 6:20 AM, Beginner1 <[hidden email]> wrote:
Hi! did you try step(sys) _______________________________________________ Helpoctave mailing list [hidden email] https://lists.gnu.org/mailman/listinfo/helpoctave 
Hi! Thank you for your answer. I have just tried your proposal but an error again appears: error: invalid use of script D:\Users\108907\step.m in index expression error: called from state at line 20 column 1 And I need also to plot the response and to add initial conditions for x and y vectors Any suggestion? De: Doug Stewart [mailto:[hidden email]]
On Tue, Jan 9, 2018 at 6:20 AM, Beginner1 <[hidden email]> wrote: Hi! did you try step(sys) DAS _______________________________________________ Helpoctave mailing list [hidden email] https://lists.gnu.org/mailman/listinfo/helpoctave 
On Tue, Jan 9, 2018 at 9:30 AM, Haro Larrode, Marta Emilia <[hidden email]> wrote:
I tried your code with step(sys) and it works for me. What OS are you using? What version of octave are you using? what version of control do you have? Doug
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OS: Windows 7 professional copyright 2009 Service Pack 1 Octave version:
4.2.1 Control version: control 3.0.0 Kind regards De: Doug Stewart [mailto:[hidden email]]
On Tue, Jan 9, 2018 at 9:30 AM, Haro Larrode, Marta Emilia <[hidden email]> wrote: Hi! Thank you for your answer. I have just tried your proposal but an error again appears: error: invalid use of script D:\Users\108907\step.m in index expression error: called from state at line 20 column 1 And I need also to plot the response and to add initial conditions for x and y vectors I tried your code with step(sys) and it works for me. What OS are you using? What version of octave are you using? what version of control do you have? Doug
 DAS _______________________________________________ Helpoctave mailing list [hidden email] https://lists.gnu.org/mailman/listinfo/helpoctave 
On Tue, Jan 9, 2018 at 9:50 AM, Haro Larrode, Marta Emilia <[hidden email]> wrote:
does this work for you? num=10 den=poly([2 3+3j 33j]) sys=tf(num,den) step(sys)
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