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{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Chapter !! Function !! Implemented !! File | ! Chapter !! Function !! Implemented !! File !! Number of Tests !! Status !! SLICOT functions !! Priority (0-2) | ||
|- | |- | ||
| rowspan="11" | Basic Models || tf || style="background: green;" | yes || @tf/tf.m | | rowspan="11" | Basic Models || tf || style="background: green;" | yes || @tf/tf.m || || || || | ||
|- | |- | ||
| zpk || style="background: green;" | yes || zpk.m | | zpk || style="background: green;" | yes || zpk.m || || || || | ||
|- | |- | ||
| ss || style="background: green;" | yes || @ss/ss.m | | ss || style="background: green;" | yes || @ss/ss.m || || || || | ||
|- | |- | ||
| frd || style="background: green;" | yes || @frd/frd.m | | frd || style="background: green;" | yes || @frd/frd.m || || || || | ||
|- | |- | ||
| pid || style="background: | | pid || style="background: red;" | no || || || || || | ||
|- | |- | ||
| pidstd || style="background: | | pidstd || style="background: red;" | no || || || || || | ||
|- | |- | ||
| pid2 || style="background: red;" | no || | | pid2 || style="background: red;" | no || || || || || | ||
|- | |- | ||
| dss || style="background: green;" | yes || @lti/dss.m | | dss || style="background: green;" | yes || @lti/dss.m || || || || | ||
|- | |- | ||
| drss || style="background: red;" | no || | | drss || style="background: red;" | no || || || || || | ||
|- | |- | ||
| filt || style="background: green;" | yes || filt.m | | filt || style="background: green;" | yes || filt.m || || || || | ||
|- | |- | ||
| rss || style="background: red;" | no || | | rss || style="background: red;" | no || || || || || | ||
|- | |- | ||
| rowspan="24" | Tunable Models || ltiblock.gain || style="background: red;" | no || | | rowspan="24" | Tunable Models || ltiblock.gain || style="background: red;" | no || || || || || | ||
|- | |- | ||
| ltiblock.pid || style="background: red;" | no || | | ltiblock.pid || style="background: red;" | no || || || || || | ||
|- | |- | ||
| ltiblock.pid2 || style="background: red;" | no || | | ltiblock.pid2 || style="background: red;" | no || || || || || | ||
|- | |- | ||
| ltiblock.ss || style="background: red;" | no || | | ltiblock.ss || style="background: red;" | no || || || || || | ||
|- | |- | ||
| ltiblock.tf || style="background: red;" | no || | | ltiblock.tf || style="background: red;" | no || || || || || | ||
|- | |- | ||
| realp || style="background: red;" | no || | | realp || style="background: red;" | no || || || || || | ||
|- | |- | ||
| AnalysisPoint || style="background: red;" | no || | | AnalysisPoint || style="background: red;" | no || || || || || | ||
|- | |- | ||
| genss || style="background: red;" | no || | | genss || style="background: red;" | no || || || || || | ||
|- | |- | ||
| genfrd || style="background: red;" | no || | | genfrd || style="background: red;" | no || || || || || | ||
|- | |- | ||
| genmat || style="background: red;" | no || | | genmat || style="background: red;" | no || || || || || | ||
|- | |- | ||
| getLoopTransfer || style="background: red;" | no || | | getLoopTransfer || style="background: red;" | no || || || || || | ||
|- | |- | ||
| getIOTransfer || style="background: red;" | no || | | getIOTransfer || style="background: red;" | no || || || || || | ||
|- | |- | ||
| getSensitivity || style="background: red;" | no || | | getSensitivity || style="background: red;" | no || || || || || | ||
|- | |- | ||
| getCompSensitivity || style="background: red;" | no || | | getCompSensitivity || style="background: red;" | no || || || || || | ||
|- | |- | ||
| getPoints || style="background: red;" | no || | | getPoints || style="background: red;" | no || || || || || | ||
|- | |- | ||
| replaceBlock || style="background: red;" | no || | | replaceBlock || style="background: red;" | no || || || || || | ||
|- | |- | ||
| getValue || style="background: red;" | no || | | getValue || style="background: red;" | no || || || || || | ||
|- | |- | ||
| setValue || style="background: red;" | no || | | setValue || style="background: red;" | no || || || || || | ||
|- | |- | ||
| getBlockValue || style="background: red;" | no || | | getBlockValue || style="background: red;" | no || || || || || | ||
|- | |- | ||
| setBlockValue || style="background: red;" | no || | | setBlockValue || style="background: red;" | no || || || || || | ||
|- | |- | ||
| showBlockValue || style="background: red;" | no || | | showBlockValue || style="background: red;" | no || || || || || | ||
|- | |- | ||
| showTunable || style="background: red;" | no || | | showTunable || style="background: red;" | no || || || || || | ||
|- | |- | ||
| nblocks || style="background: red;" | no || | | nblocks || style="background: red;" | no || || || || || | ||
|- | |- | ||
| getLFTModel || style="background: red;" | no || | | getLFTModel || style="background: red;" | no || || || || || | ||
|- | |- | ||
| rowspan="9" | Model with Time Delays || pade || style="background: red;" | no || | | rowspan="9" | Model with Time Delays || pade || style="background: red;" | no || || || || || | ||
|- | |- | ||
| absorbDelay || style="background: red;" | no || | | absorbDelay || style="background: red;" | no || || || || || | ||
|- | |- | ||
| thiran || style="background: green;" | yes || thiran.m | | thiran || style="background: green;" | yes || thiran.m || || || || | ||
|- | |- | ||
| hasdelay || style="background: red;" | no || | | hasdelay || style="background: red;" | no || || || || || | ||
|- | |- | ||
| hasInternalDelay || style="background: red;" | no || | | hasInternalDelay || style="background: red;" | no || || || || || | ||
|- | |- | ||
| totaldelay || style="background: red;" | no || | | totaldelay || style="background: red;" | no || || || || || | ||
|- | |- | ||
| delayss || style="background: red;" | no || | | delayss || style="background: red;" | no || || || || || | ||
|- | |- | ||
| setDelayModel || style="background: red;" | no || | | setDelayModel || style="background: red;" | no || || || || || | ||
|- | |- | ||
| getDelayModel || style="background: red;" | no || | | getDelayModel || style="background: red;" | no || || || || || | ||
|- | |- | ||
| rowspan="26" | Model Attributes || get || style="background: green;" | yes || @iddata/get.m | | rowspan="26" | Model Attributes || get || style="background: green;" | yes || @iddata/get.m || || || || | ||
|- | |- | ||
| set || style="background: green;" | yes || @iddata/set.m | | set || style="background: green;" | yes || @iddata/set.m || || || || | ||
|- | |- | ||
| tfdata || style="background: green;" | yes || @lti/tfdata.m | | tfdata || style="background: green;" | yes || @lti/tfdata.m || || || || | ||
|- | |- | ||
| zpkdata || style="background: green;" | yes || @lti/zpkdata.m | | zpkdata || style="background: green;" | yes || @lti/zpkdata.m || || || || | ||
|- | |- | ||
| ssdata || style="background: green;" | yes || @lti/ssdata.m | | ssdata || style="background: green;" | yes || @lti/ssdata.m || || || || | ||
|- | |- | ||
| frdata || style="background: green;" | yes || @lti/frdata.m | | frdata || style="background: green;" | yes || @lti/frdata.m || || || || | ||
|- | |- | ||
| piddata || style="background: red;" | no || | | piddata || style="background: red;" | no || || || || || | ||
|- | |- | ||
| pidstddata || style="background: red;" | no || | | pidstddata || style="background: red;" | no || || || || || | ||
|- | |- | ||
| piddata2 || style="background: red;" | no || | | piddata2 || style="background: red;" | no || || || || || | ||
|- | |- | ||
| pidstddata2 || style="background: red;" | no || | | pidstddata2 || style="background: red;" | no || || || || || | ||
|- | |- | ||
| dssdata || style="background: green;" | yes || @lti/dssdata.m | | dssdata || style="background: green;" | yes || @lti/dssdata.m || || || || | ||
|- | |- | ||
| chgFreqUnit || style="background: red;" | no || | | chgFreqUnit || style="background: red;" | no || || || || || | ||
|- | |- | ||
| chgTimeUnit || style="background: red;" | no || | | chgTimeUnit || style="background: red;" | no || || || || || | ||
|- | |- | ||
| isct || style="background: green;" | yes || @lti/isct.m | | isct || style="background: green;" | yes || @lti/isct.m || || || || | ||
|- | |- | ||
| isdt || style="background: green;" | yes || @lti/isdt.m | | isdt || style="background: green;" | yes || @lti/isdt.m || || || || | ||
|- | |- | ||
| isempty || style="background: green;" | yes || built-in function | | isempty || style="background: green;" | yes || built-in function || || || || | ||
|- | |- | ||
| isfinite || style="background: green;" | yes || built-in function | | isfinite || style="background: green;" | yes || built-in function || || || || | ||
|- | |- | ||
| isParametric || style="background: red;" | no || | | isParametric || style="background: red;" | no || || || || || | ||
|- | |- | ||
| isproper || style="background: red;" | no || | | isproper || style="background: red;" | no || || || || || | ||
|- | |- | ||
| isreal || style="background: green;" | yes || built-in function | | isreal || style="background: green;" | yes || built-in function || || || || | ||
|- | |- | ||
| isiso || style="background: red;" | no || | | isiso || style="background: red;" | no || || || || || | ||
|- | |- | ||
| isstable || style="background: green;" | yes || @lti/isstable.m | | isstable || style="background: green;" | yes || @lti/isstable.m || || || || | ||
|- | |- | ||
| isstatic || style="background: red;" | no || | | isstatic || style="background: red;" | no || || || || || | ||
|- | |- | ||
| order || style="background: red;" | no || | | order || style="background: red;" | no || || || || || | ||
|- | |- | ||
| ndims || style="background: green;" | yes || built-in function | | ndims || style="background: green;" | yes || built-in function || || || || | ||
|- | |- | ||
| size || style="background: green;" | yes || built-in function | | size || style="background: green;" | yes || built-in function || || || || | ||
|- | |- | ||
| rowspan="5" | Model Arrays || stack || style="background: red;" | no || | | rowspan="5" | Model Arrays || stack || style="background: red;" | no || || || || || | ||
|- | |- | ||
| nmodels || style="background: red;" | no || | | nmodels || style="background: red;" | no || || || || || | ||
|- | |- | ||
| permute || style="background: green;" | yes || built-in function | | permute || style="background: green;" | yes || built-in function || || || || | ||
|- | |- | ||
| reshape || style="background: green;" | yes || built-in function | | reshape || style="background: green;" | yes || built-in function || || || || | ||
|- | |- | ||
| repsys || style="background: green;" | yes || repsys.m | | repsys || style="background: green;" | yes || repsys.m || || || || | ||
|- | |- | ||
|} | |} | ||
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{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Function !! Implemented !! File | ! Function !! Implemented !! File !! Number of Tests !! Status !! SLICOT functions !! Priority | ||
|- | |- | ||
| feedback || style="background: green;" | yes || @lti/feedback.m | | feedback || style="background: green;" | yes || @lti/feedback.m || || || || | ||
|- | |- | ||
| connect || style="background: green;" | yes || @lti/connect.m | | connect || style="background: green;" | yes || @lti/connect.m || || || || | ||
|- | |- | ||
| sumblk || style="background: green;" | yes || sumblk.m | | sumblk || style="background: green;" | yes || sumblk.m || || || || | ||
|- | |- | ||
| series || style="background: | | series || style="background: red;" | no || || || || || | ||
|- | |- | ||
| parallel || style="background: | | parallel || style="background: red;" | no || || || || || | ||
|- | |- | ||
| append || style="background: green;" | yes || append.m | | append || style="background: green;" | yes || append.m || || || || | ||
|- | |- | ||
| blkdiag || style="background: green;" | yes || @lti/blkdiag.m | | blkdiag || style="background: green;" | yes || @lti/blkdiag.m || || || || | ||
|- | |- | ||
| imp2exp || style="background: red;" | no || | | imp2exp || style="background: red;" | no || || || || || | ||
|- | |- | ||
| inv || style="background: green;" | yes || built-in function | | inv || style="background: green;" | yes || built-in function || || || || | ||
|- | |- | ||
| lft || style="background: red;" | no || | | lft || style="background: red;" | no || || || || || | ||
|- | |- | ||
| connectOptions || style="background: red;" | no || | | connectOptions || style="background: red;" | no || || || || || | ||
|- | |- | ||
|} | |} | ||
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{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Chapter !! Function !! Implemented !! File !! Number of Tests !! Status !! SLICOT functions !! Priority | ! Chapter !! Function !! Implemented !! File !! Number of Tests !! Status !! SLICOT functions !! Priority | ||
|- | |- | ||
| rowspan="4" | Model Type Conversion || pidstd2 || style="background: red;" | no || || || || || | | rowspan="4" | Model Type Conversion || pidstd2 || style="background: red;" | no || || || || || | ||
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{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Chapter !! Function !! Implemented !! File | ! Chapter !! Function !! Implemented !! File !! Status !! SLICOT functions !! Priority | ||
|- | |- | ||
| rowspan="13" | Time-Domain Analysis || linearSystemAnalyzer || style="background: red;" | no || || | | rowspan="13" | Time-Domain Analysis || linearSystemAnalyzer || style="background: red;" | no || || || || | ||
|- | |- | ||
| impulseplot || style="background: red;" | no || || | | impulseplot || style="background: red;" | no || || || || | ||
|- | |- | ||
| initialplot || style="background: red;" | no || || | | initialplot || style="background: red;" | no || || || || | ||
|- | |- | ||
| lsimplot || style="background: red;" | no || || | | lsimplot || style="background: red;" | no || || || || | ||
|- | |- | ||
| stepplot || style="background: red;" | no || || | | stepplot || style="background: red;" | no || || || || | ||
|- | |- | ||
| covar || style="background: green;" | yes || covar.m || | | covar || style="background: green;" | yes || covar.m || || || | ||
|- | |- | ||
| impulse || style="background: green;" | yes || impulse.m || | | impulse || style="background: green;" | yes || impulse.m || || || | ||
|- | |- | ||
| initial || style="background: green;" | yes || initial.m || | | initial || style="background: green;" | yes || initial.m || || || | ||
|- | |- | ||
| lsim || style="background: green;" | yes || lsim.m || | | lsim || style="background: green;" | yes || lsim.m || || || | ||
|- | |- | ||
| step || style="background: green;" | yes || step.m || | | step || style="background: green;" | yes || step.m || || || | ||
|- | |- | ||
| lsiminfo || style="background: red;" | no || || | | lsiminfo || style="background: red;" | no || || || || | ||
|- | |- | ||
| stepinfo || style="background: red;" | no || || | | stepinfo || style="background: red;" | no || || || || | ||
|- | |- | ||
| stepDataOptions || style="background: red;" | no || || | | stepDataOptions || style="background: red;" | no || || || || | ||
|- | |- | ||
| rowspan="14" | Frequency-Domain Analysis || bodeplot || style="background: red;" | no || || | | rowspan="14" | Frequency-Domain Analysis || bodeplot || style="background: red;" | no || || || || | ||
|- | |- | ||
| nicholsplot || style="background: red;" | no || || | | nicholsplot || style="background: red;" | no || || || || | ||
|- | |- | ||
| nyquistplot || style="background: red;" | no || || | | nyquistplot || style="background: red;" | no || || || || | ||
|- | |- | ||
| sigmaplot || style="background: red;" | no || || | | sigmaplot || style="background: red;" | no || || || || | ||
|- | |- | ||
| bode || style="background: green;" | yes || bode.m || | | bode || style="background: green;" | yes || bode.m || || || | ||
|- | |- | ||
| nichols || style="background: green;" | yes || nichols.m || | | nichols || style="background: green;" | yes || nichols.m || || || | ||
|- | |- | ||
| nyquist || style="background: green;" | yes || nyquist.m || | | nyquist || style="background: green;" | yes || nyquist.m || || || | ||
|- | |- | ||
| sigma || style="background: green;" | yes || sigma.m || | | sigma || style="background: green;" | yes || sigma.m || || || | ||
|- | |- | ||
| evalfr || style="background: red;" | no || || | | evalfr || style="background: red;" | no || || || || | ||
|- | |- | ||
| freqresp || style="background: green;" | yes || @lti/freqresp.m || | | freqresp || style="background: green;" | yes || @lti/freqresp.m || || || | ||
|- | |- | ||
| bandwidth || style="background: green;" | yes || built-in function || | | bandwidth || style="background: green;" | yes || built-in function || || || | ||
|- | |- | ||
| dcgain || style="background: green;" | yes || @lti/dcgain.m || | | dcgain || style="background: green;" | yes || @lti/dcgain.m || || || | ||
|- | |- | ||
| getGainCrossover || style="background: red;" | no || || | | getGainCrossover || style="background: red;" | no || || || || | ||
|- | |- | ||
| getPeakGain || style="background: red;" | no || || | | getPeakGain || style="background: red;" | no || || || || | ||
|- | |- | ||
| rowspan=" | | rowspan="10" | Stability Analysis || pole || style="background: green;" | yes || @lti/pole.m || || || | ||
|- | |- | ||
| zero || style="background: green;" | yes || @lti/zero.m || | | zero || style="background: green;" | yes || @lti/zero.m || || || | ||
|- | |- | ||
| damp || style="background: | | damp || style="background: red;" | no || || || || | ||
|- | |- | ||
| dsort || style="background: | | dsort || style="background: red;" | no || || || || | ||
|- | |- | ||
| esort || style="background: | | esort || style="background: red;" | no || || || || | ||
|- | |- | ||
| tzero || style="background: red;" | no || || | | tzero || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | pzplot || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | iopzplot || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | allmargin || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | margin || style="background: green;" | yes || margin.m || || || | ||
|- | |- | ||
| | | rowspan="11" | Plot Customization || bodeoptions || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | hsvoptions || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | nicholsoptions || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | nyquistoptions || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | pzoptions || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | sigmaoptions || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | timeoptions || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | setoptions || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | getoptions || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | ctrlpref || style="background: red;" | no || || || || | ||
|- | |- | ||
| updateSystem || style="background: red;" | no || || || || | |||
| updateSystem || style="background: red;" | no || || | |||
|- | |- | ||
|} | |} | ||
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{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Chapter !! Function !! Implemented !! File | ! Chapter !! Function !! Implemented !! File !! Status !! SLICOT functions !! Priority | ||
|- | |- | ||
| rowspan="3" | PID Controller Tuning || pidTuner || style="background: red;" | no || || | | rowspan="3" | PID Controller Tuning || pidTuner || style="background: red;" | no || || || || | ||
|- | |- | ||
| pidtune || style="background: red;" | no || || | | pidtune || style="background: red;" | no || || || || | ||
|- | |- | ||
| pidtuneOptions || style="background: red;" | no || || | | pidtuneOptions || style="background: red;" | no || || || || | ||
|- | |- | ||
| rowspan=" | | rowspan="4" | SISO Feedback Loops || rlocus || style="background: green;" | yes || rlocus.m || || || | ||
|- | |- | ||
| | | rlocusplot || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | controlSystemDesigner || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | sisoinit || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | rowspan="12" | Linear-Quadratic-Gaussian Control || lqr || style="background: green;" | yes || lqr.m || || || | ||
|- | |- | ||
| | | lqry || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | lqi || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | dlqr || style="background: green;" | yes || dlqr.m || || || | ||
|- | |- | ||
| | | lqrd || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | kalman || style="background: green;" | yes || kalman.m || || || | ||
|- | |- | ||
| | | kalmd || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | lqg || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | lqgreg || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | lqgtrack || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | augstate || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | norm || style="background: green;" | yes || @lti/norm.m || || || | ||
|- | |- | ||
| | | rowspan="3" | Pole Placement || estim || style="background: green;" | yes || estim.m || || || | ||
|- | |- | ||
| | | place || style="background: green;" | yes || place.m || || || | ||
|- | |- | ||
| reg || style="background: red;" | no || || || || | |||
| reg || style="background: red;" | no || || || || | |||
|- | |- | ||
|} | |} | ||
Line 423: | Line 417: | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Function !! Implemented !! File | ! Function !! Implemented !! File !! Status !! SLICOT functions !! Priority | ||
|- | |- | ||
| | | lyap || style="background: green;" | yes || lyap.m || || || | ||
|- | |- | ||
| | | lyapchol || style="background: green;" | yes || lyapchol.m || || || | ||
|- | |- | ||
| | | dlyap || style="background: green;" | yes || dlyap.m || || || | ||
|- | |- | ||
| | | dlyapchol || style="background: green;" | yes || dlyapchol.m || || || | ||
|- | |- | ||
| | | care || style="background: green;" | yes || care.m || || || | ||
|- | |- | ||
| | | dare || style="background: green;" | yes || dare.m || || || | ||
|- | |- | ||
| | | gcare || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | gdare || style="background: red;" | no || || || || | ||
|- | |- | ||
| | | ctrb || style="background: green;" | yes || ctrb.m || || || | ||
|- | |- | ||
| | | obsv || style="background: green;" | yes || obsv.m || || || | ||
|- | |- | ||
| | | ctrbf || style="background: green;" | yes || ctrbf.m || || || | ||
|- | |- | ||
| | | obsvf || style="background: green;" | yes || obsvf.m || || || | ||
|- | |- | ||
| | | gram || style="background: green;" | yes || gram.m || || || | ||
|- | |- | ||
| bdschur || style="background: red;" | no || || || || | |||
| bdschur || style="background: red;" | no || || | |||
|- | |- | ||
|} | |} | ||
== | == Some very basic examples == | ||
=== PT1/low-pass filter step response === | |||
<!-- {{SyntaxHighlight| --> | <!-- {{SyntaxHighlight| --> | ||
{{Code|Creating a transfer function and plotting its response|<syntaxhighlight lang="octave" style="font-size: | {{Code|Creating a transfer function and plotting its response|<syntaxhighlight lang="octave" style="font-size:13px"> | ||
T1 = 0.4; | T1=0.4; # time constant | ||
P = tf([1], [T1 1]) | P=tf([1], [T1 1]) # create transfer function model | ||
step(P, 2) # plot step response | step(P,2) # plot step response | ||
#add some common markers like the tangent line at the origin, which crosses lim(n->inf) f(t) at t=T1 | #add some common markers like the tangent line at the origin, which crosses lim(n->inf) f(t) at t=T1 | ||
hold on | hold on | ||
plot ([0 T1], [0 1], " | plot ([0 T1], [0 1],"g") | ||
plot ([T1 T1], [0 1], " | plot ([T1 T1], [0 1],"k") | ||
plot ([0 T1], [1-1/e 1-1/e],"m") | |||
hold off | hold off | ||
</syntaxhighlight>}} | </syntaxhighlight>}} | ||
Line 478: | Line 468: | ||
[[File:Pt1.png|600px]] | [[File:Pt1.png|600px]] | ||
Try also bode(P)! | |||
(a first order low-pass filter has -3db magnitude at f=1/T1) | |||
[[Category:Octave Forge]] | [[Category:Octave-Forge]] |