[Octave-bug-tracker] [bug #38297] signal package: bilinear not compatible with Matlab

[Nicholas Jankowski]

Follow-up Comment #1, bug #38297 (project octave):

This issue appears to have been resolved since the original post, as signal
package 1.3.2 shows the same input form as matlab in the help for bilinear:


>> help bilinear
'bilinear' is a function from the file
C:\Octave\octave-4.2.0-w64\share\octave\packages\signal-1.3.2\bilinear.m

 -- Function File: [ZB, ZA] = bilinear (SB, SA, T)
 -- Function File: [ZB, ZA] = bilinear (SZ, SP, SG, T)
 -- Function File: [ZZ, ZP, ZG] = bilinear (...)


it does however mention that:


 Note: this differs from the bilinear function in the signal
     processing toolbox, which uses 1/T rather than T.


not sure what it means exactly, but the output may still be matlab
incompatible.

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