Scilab and DSP
in [DSP]
|
Prev: multi layer feedforward network
Next: FFT algoritms
From: Vladimir Vassilevsky on 22 Nov 2007 09:35 Tim Wescott wrote: > > So in Scilab I can write a transfer function as easy as > > H = %z / (%z - 1), > #include <complex> > and I can the do Bode plots, Export to Excel > or multiply it by another transfer function, > or "multiply" it (actually cascade systems) by a state-space system model. > All this makes it very easy to do what I want to do with the package. Entities should not be multiplied beyond necessity. Vladimir Vassilevsky DSP and Mixed Signal Design Consultant http://www.abvolt.com
From: Tim Wescott on 22 Nov 2007 12:41
Vladimir Vassilevsky wrote: > > > Tim Wescott wrote: > >> >> So in Scilab I can write a transfer function as easy as >> >> H = %z / (%z - 1), >> > > #include <complex> I can prototype algorithms in Scilab with about 1/10th the code and time spent than in C++, thanks. > >> and I can the do Bode plots, > > Export to Excel Scilab does _much_ better plots than Excel, in less time. > >> or multiply it by another transfer function, >> or "multiply" it (actually cascade systems) by a state-space system >> model. >> All this makes it very easy to do what I want to do with the package. > > Entities should not be multiplied beyond necessity. > Transfer functions shouldn't, but the state space representations stay numerically robust long after the transfer function representations have disappeared in a puff of quantization errors. -- Tim Wescott Wescott Design Services http://www.wescottdesign.com Do you need to implement control loops in software? "Applied Control Theory for Embedded Systems" gives you just what it says. See details at http://www.wescottdesign.com/actfes/actfes.html |