by 'a' is the transmission coefficient, 'b' the recovery factor
> (after Reed-Frost 1928).
> Initial values for S, I, R are available.
>
> Thank you
> Heinz
> _______
> users mailing list
> users@lists.scilab.org
>
n be over in
> > Austria (cyan circles are recorded infections). But this is likely
> > over-optimistic.
> > Heinz
> >
> > __
> > Dr Heinz Nabielek
> > Schüttelstrasse 77A/11
> > A-1020 Wien, Österreich
> > Tel +43 1 276 56 13
> > cell +43 6
-n) = 0.003306121
>
> How would I do that in Scilab?
> Heinz
>
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>
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ay to tell Scilab to create a figure but to keep it
minimized? Alternately, is there a Unix trick to tell the OS to act
like everything is going to a monitor, but suppress it?
Thanks in advance.
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Control & Communications systems, circuit & software des
that I
use, because by the time I'm down to this level of detail I've usually
established the sampling rate, and I'm working at tuning the system to,
or verifying it against, some real-world criteria that must be expressed
in the frequency domai
-- but most of the Matlab bells and whistles have more flash than
use, and Scilab seems to be finding good analogs for the really useful
ones.
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Phone: 503.631.7815
Cell: 503.349.8432
_
rs, officers and employees make no representation, nor
> accept any liability, regarding its accuracy or completeness, unless
> expressly stated to the contrary.
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ften results that are more obscure.
4: Calculate the Jacobian for the solver (i.e., feed it the 'jac'
function). This can be a big help with difficult systems, particularly
if the Jacobian has discontinuities (as in the bouncing ball problem).
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st archive at
> Nabble.com.
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>
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Phone
On Fri, 2015-01-09 at 12:36 +0100, Antoine Monmayrant wrote:
> On 01/06/2015 11:44 PM, Tim Wescott wrote:
> > Hey Patrick:
> >
> > What you want to do is uninstall Scilab from Ubuntu, and hand install
> > it.
> >
> > This can be very easy, if you don't
n-udoo-tp4031606p4031640.html
> Sent from the Scilab users - Mailing Lists Archives mailing list archive at
> Nabble.com.
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>
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ing from at least two directions
(this is why development for life-critical systems is slow and
expensive). So no matter what the tool is, whether it be Scilab,
Maxima, or your brain and a pencil, you shouldn't just trust the tool to
cough up the right answer: I think that's what they
led plot_robot.sci, if the authors of the
toolbox have adhered to the naming conventions.
If there's a way of plucking the contents out of one graphic and
inserting them into another that may be a work-around. You'd have two
plots, but at least one would have what you want
st_name));
This seems clunky in the extreme.
Is there another way to do something like this that doesn't force Scilab
to copy large chunks of data needlessly, but allows me to operate on
multiple copies of similar tlists?
Thanks.
--
Tim Wescott
www.wescottdesign.com
Control & Communicatio
;some_field' and 'stuff' have the
> same datatype and size. Scilab will be able to simply reuse the
> allocated space.
>
> However using a tlist rhs/lhs force a copy which is not needed, using
> named arguments let the interpreter avoid some copies.
>
> For a com
>
> >
> >
> > --
> > View this message in context:
> > http://mailinglists.scilab.org/qustion-on-functional-argument-tp4032100.html
> > Sent from the Scilab users - Mailing Lists Archives mailing list archive at
> > Nabble.com.
> > ___
> > u
ur display can handle. If you're looking for glitches
then you'll have to do something fancier (and more challenging as far as
memory usage).
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Control & Communications systems, circuit & software design.
Phone: 503.631.7815
Cell: 503
; 1000];
> > > v2=[1
> > >
> > > 1000];
> > > v=[v1 v2];
> > >
> > > So my question to users who have the experience of dynamic link of
> > > user code : do you think that using dynamic link of compiled
> > > generated C code could improve the timings ?
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gt;
> Have a good WE
>
> Paul
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naive
> approach, to be refine.
>
> Regards
> Samuel
>
>
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7; 'ralph' 'sue' 'yassar'
'george' 'jean' 'osama' 'francis' 'molly']';
(note the transposition ticky at the end, so it's 10x1 and not 1x10).
Results are attached for you to see, if the gro
On Tue, 2015-05-12 at 20:42 +0200, Samuel Gougeon wrote:
> Hello,
>
> Le 12/05/2015 18:46, Tim Wescott a écrit :
> > On Tue, 2015-05-12 at 06:55 +0200, Philipp Mühlmann wrote:
> > .../...
> >
> > If you look at x_ticks.labels you'll see that it's just a
stop? ctrl-C does not do the job.
Second, if not, could someone file an enhancement request, or remind me
how to do it?
TIA
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Control & Communications systems, circuit & software design.
Phone: 503.631.7815
Cell:
On Mon, 2015-05-25 at 15:29 +0200, Antoine Monmayrant wrote:
> Le Samedi 23 Mai 2015 00:05 CEST, Samuel Gougeon a écrit:
>
> > Hello Tim,
> >
> > Le 21/05/2015 17:48, Tim Wescott a écrit :
> > > .../...
> > > First, is there a way to get it to stop
2
Segmentation fault (core dumped)
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l Gougeon a
> > écrit:
> >
> >> Hello Tim,
> >>
> >> Le 21/05/2015 17:48, Tim Wescott a écrit :
> >>> .../...
> >>> First, is there a way to get it to stop? ctrl-C does not do the job.
> >> In your startup file
) you
> should upgrade its HWE to 14.04 LTS (trusty).
>
> With best regards,
> Nikolay.
>
>
> 27 мая 2015 г. 3:22 пользователь "Tim Wescott"
> написал:
> Running a Scilab algorithm that puts up a lot of graphs,
> Scilab crashes
>
If you want to use open driver on Ubuntu 12.04 LTS (precise) you
> should upgrade its HWE to 14.04 LTS (trusty).
>
> With best regards,
> Nikolay.
>
>
> 27 мая 2015 г. 3:22 пользователь "Tim Wescott"
> написал:
> Running a Scilab algorithm that puts up
proprietary
> drivers).
> 28 мая 2015 г. 10:44 пользователь "Antoine
> Monmayrant"
> написал:
>
>
o allow
> Scilab 5.5.2 to be built using 5.5.1's dependencies.
>
> Thanks for your time,
> Brenton
>
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).
>
> With best regards,
> Nikolay.
>
>
> 27 мая 2015 г. 3:22 пользователь "Tim Wescott"
> написал:
> Running a Scilab algorithm that puts up a lot of graphs,
> Scilab crashes
> with the report below. It's only happened with Scilab, b
do things, but with a large enough
sample it's not going to be very far off the mark (if you have less than
a couple of dozen samples you may want to investigate the Student t
distribution, but I don't like recommending it if you don't have a solid
background in statistics).
--
"spectrum"):
-->A = rand(3,3,"n")
A =
0.3501626 - 1.40619260.5546874
1.0478272 - 1.0384734 - 0.2143931
- 1.3218008 - 1.7350313 - 2.0735088
-->spec(A)
ans =
- 0.2010690 + 1.3816266i
- 0.2010690 - 1.3816266i
- 2.3596815
al for the
phase detect, "NCO", or both).
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tter numerical conditioning. This is what you're
doing when you change units.
If you don't mind the meaning of your eigenvectors changing, you can do
a similarity transform. Start with
N * A * N^(-1) * N * v = N * lambda * B * N^(-1) * N * v
Now set
A_ = N * A * N^(-1)
B_ = N * B
plications that need to last over half a year (I find that after half
a year of not looking at some piece of my own code I count as "other
people" when I get back to it). But -- it's a good habit to get into.
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Control & Communications systems, circuit & software design.
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ere -- do you want a block
that does auto-tuning, or are you unable to figure out how to enter the
gains into the PID block that's there?
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www.wescottdesign.com
Control & Communications systems, circuit & software des
hat this is a Scilab group -- don't do it
in Scilab. Scilab is great for things that use it's built-in matrix
handling capabilities, but when you step outside of that you'll be much
better off programming in C or some such.
--
Tim Wescott
www.wescottdesign.com
Control & C
h more
convenient form, you can try
- ;
If Maxima hurks up '0', then you know that your candidate form is
correct.
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Tim Wescott
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Control & Communications systems, circuit & software design.
Phone: 503.631.7815
Cell: 503.349.8432
mall and simple, that'll make an even
better thing to post. If the problem goes away when you excise some
specific block, then you can consider that a huge blinking arrow to the
problem.
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Tim Wescott
www.wescottdesign.com
Control & Commun
t that component. This _might_ recover each individual
component well enough that you can eyeball it for A_i and d_i -- at
which point you could either call it good enough, or you could make an
even better starting point for your regression analysis.
--
Tim Wescott
www.wescottdesign.com
ple windows.
>
> I would be very grateful for any suggestion on how to run two animations
> side by side.
> Thank you in advance for your time and help.
> JP Grivet
>
>
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e plot itself. So, you have to chose
> what should take most place: the plot or its caption.
> This is why one couldn't advice you to decrease the margins sizes.
>
> HTH
> Samuel
>
> ___________
> users mailing list
> users@lists
aries with time
compared to the current). You'll also see that finding the inductance
vs. position relationship is (ehem) left as an exercise to the reader.
This isn't a complete answer, but I hope that it sets your feet on the
right road.
--
Tim Wescott
www.wescottdesign.com
C
sparse(v)) * A
This makes the matrix on the left sparse, with a populated diagonal and
all the rest zeros (presumably v is fully populated). And, as David has
discovered experimentally, it does not run him out of stack space.
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Tim Wescott
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Control & Communications s
e had or crash your
machine, depending on your version (it appears to work in the current
version). "stacksize(nnn)" will set your stacksize to nnn, without
crashing your machine (to my knowledge). "stacksize" will report the
current stacksize.
--
Tim Wescott
www.wescottde
g that can really be done with an indefinite integral.
Are you looking for numbers, or symbolic solutions?
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Control & Communications systems, circuit & software design.
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_
ottdesign.com; users@lists.scilab.org
> Subject: Re: [Scilab-users] integrals
>
> symbolic solutions
>
> ___________ users mailing list
> users@lists.scilab.org http://lists.scilab.org/mailman/listinfo/users
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www
= stacksize();
xtitle(sprintf("iteration #%d, stack used %d", n, ssz(2)));
drawnow();
scf(1);
clf;
drawlater();
plot2d(r(1, :), r(2, :), frameflag = 3, rect = [-150, -150, 150,
150]);
drawnow();
end
endfunction
--
Tim Wescot
rand(1, 5000, "n");
> for n = 1:1;
> clf;
> end
>
> does not.
> Hope this will help debugging.
> Memory linkage of plot2d() is not yet reported on bugzilla.
>
> Regards
> Samuel Gougeon
>
> Le 21/12/2015 06:37, Tim Wescott a écrit :
>
&
u read Te in from a file -- at it's simplest you
can use fscanfMat, if your file is the right format.
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Control & Communications systems, circuit & software design.
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Cell: 503.349.8432
cilab.org
> >> http://lists.scilab.org/mailman/listinfo/users
> > ___
> > users mailing list
> > users@lists.scilab.org
> > http://lists.scilab.org/mailman/listinfo/users
> >
>
> ___
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>
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I believe that a = zeros(n, m) == 1 will do it, but it may not be either the
best or the official way.
Sent from my Verizon Wireless 4G LTE smartphone
Original message
From: shamikam
Date: 02/01/2016 12:10 AM (GMT-08:00)
To: users@lists.scilab.org
Subject: [Scilab
___
> >> users mailing list
> >> users@lists.scilab.org
> >> http://lists.scilab.org/mailman/listinfo/users
> >>
> >
> > ___
> > users mailing list
> > users@lists.scilab.org
> > http
:
> exec builder_src.sce
FWIW I use both Maxima (usually via WxMaxima) and Scilab fairly heavily.
I use them separately and have never felt a need to have them merged.
Generally my symbolic and my numerical calculations happen at
significantly different times in my workflow, so why tr
e.
>
Yes. "tic()" sets a stopwatch timer to zero, "toc()" reads the current
value. So you write:
tic()
t = toc();
mprintf("execution time = %f\n", t);
and you find out how long things took.
>
>
>
> Your help means a lot to me. Thanks for your support i
ID-of-First-order-delay-and-Dead-Time-Process-tp4033659p4033709.html
> Sent from the Scilab users - Mailing Lists Archives mailing list archive at
> Nabble.com.
> ___
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> users@lists.scilab.org
> http://lists.scilab.org/m
or a lot of that stuff).
You may want to make sure you know what you're optimizing _for_ -- I
assume that ym(0) = 0, and that amp, Kpm, bmp and Tdm are your free
parameters.
If so, you may want to revisit your problem -- Kpm and bmp are
redundant; if you're trying to optimize on both o
' y'].
(but note that x' means to make a conjugate transpose -- you don't care
now, but if you want to move complex numbers around without conjugation,
use x.')
--
Tim Wescott
www.wescottdesign.com
Control & Communications systems, circuit & software design.
Ph
> so why can it assign to god,vars(1) and not to god.vars(2)?
>
> Thanks Buk.
>
>
> FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop!
> Check it out at http://www.inbox.com/earth
>
>
>
&g
nd them to your friends
> through IMs, post on Twitter®, Facebook®, MySpace™, LinkedIn® – FAST!
>
>
>
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Contro
plot2d (a, b, logflag = "ln")
Look at help for plot2d for details.
Sent from my Verizon Wireless 4G LTE smartphone
Original message
From: scilab.20.browse...@xoxy.net
Date: 03/31/2016 4:38 PM (GMT-07:00)
To: users@lists.scilab.org
Subject: Re: [Scilab-users] Running
; gcf().closerequestfcn="exit(0)";
> >>
> >> HTH
> >> Samuel
> >>
> >> ___
> >> users mailing list
> >> users@lists.scilab.org
> >> http://lists.scilab.org/mailma
e tried is that it
> > works well in some spots and not in others, then consider using a filter
> > whose properties vary depending on where on the axis your output sample
> > is located. This isn't something that you'll find pre-packaged --
> > you'll ha
___
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>
>
anish, or in German?
> Thanks
> Samuel Gougeon
>
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org
> http://lists.scilab.org/mailman/listinfo/users
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d
24.95-b01, mixed mode) !
!
!
!Vendor specification: Oracle
Corporation !
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Control & Communications systems, cir
eed in my data-vector and define a
> point at the x/time-axis and than the data is plotted accordinly?
>
>
>
> With best regards
>
>
>
> Gerhard
>
>
>
>
> ___________
> users mailing list
> users@lists.sci
What was the error message?
Sent from my Verizon 4G LTE smartphone
Original message
From: Gerhard Kreuzer
Date: 8/20/16 11:27 PM (GMT-08:00)
To: users@lists.scilab.org
Subject: [Scilab-users] plot2d problem
Hi, here my two attepts one working, one failed, but why
tion never ever hits binf or bsup.
Is the constrained optimization slower than the unconstrained
optimization? Is there any general way, short of doing the experiment,
to know how much slower?
Thanks in advance...
--
Tim Wescott
www.wescottdesign.com
Control & Communications systems, circui
t, but there
> is the same truncature:
> --> printf("%20.0f\n", i)
> 4611686018427387900// Same issue (final 5 missing)
>
>
> I started looking for a solution with write() and its fortran
> formating,
> but it looks no more ready for int64 integers.
>
number_of_periodes = 1;
> n = periode * number_of_periodes;
>
> x = [0 : %pi/100 : n]';
> y = f(x);
> N = size(x,"*");
>
> scf()
> plot2d(x,y);
>
> a = fft(y,-1);
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ion. However, I am not sure how I should
> formulate my Laplace domain equation. Could you please advise me more
> specifically?
>
> Thanks.
>
>
> 2016/09/25 午前9:33 "Tim Wescott [via Scilab / Xcos - Mailing Lists
> Archives]" <[hidden email]>:
>
ers mailing list
> users@lists.scilab.org
> http://lists.scilab.org/mailman/listinfo/users
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gt; for i = 1 : n
> tmp(i,1) = sum(a( [1 + (i-1)*w : i*w],:));
> end
>
>
> tmp
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Control
e_id.
>
> I have two issues.
> 1. H is not similar to h even the data doesn't include any noise. How
> I can obtain transfer function nearly same as h?
> 2. I would like to have continuous transfer function. How I should
> convert the discreate transfer function to con
oblem. Is my understanding not right? Is
> fft the recomeded method for my problem?
> In addition to that I am not familiar with fft.
>
>
> Best Regards,
>
>
> - 元のメッセージ -
> 差出人: "Tim Wescott [via Scilab / Xcos - Mailing Lists Archives]"
> <[hi
ot;);
>
>
> // shift phase in the fft
> s1_fft = fft(s1);
> s1_fft = clean(s1_fft);
> //s1_fft = s1_fft. * exp(-%i*phi/nl);
> s1_fft = s1_fft. * exp(-%i*phi);
> s1_new = ifft(s1_fft);
> plot(t,s1_new,"g");
>
>
>
>
> ___
not matter
>
> Paul
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now if I’m understandable enough …
> >
> >
> >
> > Paul
> >
> >
> >
> >
> > ___
> > users mailing list
> > users@lists.scilab.org
> > http://lists.scilab.org/mailman/listinfo/u
each one keeping track of
one version of the algorithm, all of which are running in parallel.)
* Name that tune.
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Control & Communications systems, circuit & software design.
Phone: 503.631.7815
Cell: 503.349.8432
___
: Re: [Scilab-users] Plot format changes
Le 06/10/2016 21:57, Tim Wescott a écrit :
> So, I have some code that works all right, it works all right but not
> exactly quite*:
>
> errbar(time(ixg) / sampleRate, ..
> demodulator.eqData.idealPu
ut is completely wrong. I suspect the main problem is in
> the function f(u,x) I pass to lin(). Is this the way to linearize a
> non-linear system of odes? Is there a simpler one?
>
>
>
> --
> View this message in context:
> http://mailinglists.scilab.org/Linearizing-a-control-system-using-lin-porting-from-MATLAB-tp4034786.html
> Sent from the Scilab users - Mailing Lists Archives mailing list archive at
> Nabble.com.
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Tim Wescott
www.wescottdesign.com
Control & Communications systems, circuit & software design.
Phone: 503.631.7815
Cell: 503.349.8432
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such, it
coughs up a slightly different linearization each time. The
linearization is largely accurate, but the difference from ideal is more
than I'd (perhaps naively) expect.
Why? If this is a well-known technique, please feel free to point me at
a paper.
--
Tim Wescott
www.wescottdesign.com
;t get
an RGB channel without saying why -- I don't know if this is part of the
problem or not.
--
Tim Wescott
www.wescottdesign.com
Control & Communications systems, circuit & software design.
Phone: 503.631.7815
Cell: 503.349.8432
== /sys/devices/pci:00/:00:01.0 ==
modalias :
and trying to report your issue to Ubuntu on glxgear
> (which is the right 3D
> testing tool).
>
> --
> Clément
>
> Le vendredi 04 novembre 2016 à 12:17 -0700, Tim Wescott a écrit :
> > I'm 99.44% sure that the problem here resides in whatever video stuff
> &
xperts,
> please help me to get the facet black, not cyan.
>
> plot3d([0 1 1 0]',[0 0 1 1 ]',[0 0 0 0]')
> ce=gce();
> ce.color_flag=0;// Help page says: "All facets are painted using the
> color index and method defined by color_mode"
> ce.color_mode=
rg/mailman/listinfo/users
>
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Tim Wescott
www.wescottdesign.com
Control & Communications systems, circuit & software design.
Phone: 50
.com.
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Tim Wescott
www.wescottdesign.com
Control & Communications systems, circuit & software design.
Phone: 503.6
7;)/poly(clean(coeff(denom(R))),'x')
> R =
>
> 2 + x
> -
> 6 + x
>
> but of course this doesn't work for polynomials with complex
> coefficients like :
>
>
> -->(X+%i)/(X^2+1) // = 1/(X-%i)
> ans =
>
>
Correction:
p=poly(ones(1,n),"x","r"); // Note 'r', not 'c'
r=roots(p)
plot(real(r)-1,imag(r),"+")
And my yes, it does illustrate the problem quite well.
On Wed, 2016-11-23 at 21:20 +0100, Serge Steer wrote:
> p=poly(ones(1,n),"x&q
Out of curiosity, how does that relate to pfss?
On Wed, 2016-11-23 at 23:30 +0100, Samuel Gougeon wrote:
> Le 23/11/2016 23:19, philippe a écrit :
> > .../...
> > Le 23/11/2016 à 20:08, Tim Wescott a écrit :
> >
> >> [...]
> >> Just as a note: I'm not s
; plot(rand(1,5))
> sleep(1000)//only for checking invisibility of new figure
> cf.immediate_drawing="on"; cf.visible="on";
> //xtitle('xtitle seems to suppress plot content.')
> Cheers
> Jens
Works fine for me; Scilab 5.5.0 on Ubuntu 14.04. Backgrou
I just tried 5.4.0. There the script works.
> > Cheers
> > Jens
> > ----------
> >
> >
> >
> > Am 27.11.2016 19:00, schrieb Tim Wescott:
> >
> >
rom C -- that's
probably what you'll need to do.
--
Tim Wescott
www.wescottdesign.com
Control & Communications systems, circuit & software design.
Phone: 503.631.7815
Cell: 503.349.8432
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s write C
functions using the Scilab API that talk to the DLL.
It'd be a pain, and it would be nice if someone would make it more
painless. But -- the possibility is there.
--
Tim Wescott
www.wescottdesign.com
Control & Communications systems,
ssible-tp4035458.html
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