That's what I was thinking. I opened an issue as you suggested
to discuss this.
Davide Pittet
On Mon, Apr 8, 2024 at 8:46 PM Aaron Meurer wrote:
> I would open an issue to discuss this, if you haven't already. These
> sorts of issues relating to what Add class is used t
ointed out on GitHub.
Davide Pittet
Il giorno lunedì 8 aprile 2024 alle 10:06:46 UTC+2 asme...@gmail.com ha
scritto:
> Your contributions are definitely welcome, although it would be a good
> idea to first lay out exactly what changes you want to make, either
> here or on an issue. If
guidance with the code, primarely on the direction we want to follow.
Davide Pittet
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(next GSoCs).
Davide.
Il giorno mar 28 feb 2023 alle ore 13:48 Alan Bromborsky <
abrombo...@gmail.com> ha scritto:
> Since you interest is in plotting I wonders if you are familiar with the
> following software -
>
> https://asymptote.sourceforge.io/
>
> I have been using it a
Hello Aaron,
I'm Davide Sandonà, the developer of the SymPy Plot Backend module (
https://github.com/Davide-sd/sympy-plot-backends).
I've edited the plotting module section in the GSoC-ideas page, and added
my name as a mentor. Quoting the page:
> If you are willing to mento
Thanks Oscar for the wonderful clarification!
I rerun my code with SYMPY_USE_CACHE=no, now the results make much more
sense.
[image: lambdify-no-cache.png]
Davide.
Il giorno mer 15 set 2021 alle ore 15:14 Oscar Benjamin <
oscar.j.benja...@gmail.com> ha scritto:
>
> On Wed, 15 Sep
odule + data type.
I guess the results depend on the machine being used. This one has been
generated on an old processor. I'll try
to see what a modern processor is going to produce.
[image: lambdify.png]
Davide.
Il giorno mer 15 set 2021 alle ore 01:37 Aaron Meurer
ha scritto:
> On
By the way, what are the differences between sympy.vector and
sympy.physics.vector ? Why two different modules?
Davide.
Il giorno ven 13 ago 2021 alle ore 15:06 Davide Sandona' <
sandona.dav...@gmail.com> ha scritto:
> Although the scalars are r, theta and z the unit vectors are
27;t work and examples that could be
improved (in terms of user experience) in order to improve our
comprehension of what needs to be fixed, eventually preparing the way for a
future GSoC.
[1]
https://github.com/sympy/sympy/blob/master/sympy/vector/coordsysrect.py#L180
Davide.
Il giorno ven 13 ag
Hello Davide,
In order to use Qt5 you need to install the following dependency:
pip install PyQt5
After that it should work fine!
Davide.
Il giorno sab 7 ago 2021 alle ore 12:40 David Bailey
ha scritto:
> Dear All,
>
> Has anyone else encountered this problem - which seemed to st
I suppose you are referring to R4.5000. This is a way to extract the
forces/moments from the above equation:
fs = list(b.load.free_symbols)
R45, R0, M0 = fs[1:]
M0, R0, R45
Now you can create a substitution dictionary and compute the load at a
given location.
Davide.
Il giorno lun 5 lug
ttps://docs.scipy.org/doc/scipy/reference/fft.html
Davide.
Il giorno sab 22 mag 2021 alle ore 13:56 hongy...@gmail.com <
hongyi.z...@gmail.com> ha scritto:
> Wolfram Mathematica has so many Fourier transform relevant functions, say,
> FourierDST, FourierDCT, and so on. I'm cu
Use the doit() method, something like the following: f.doit()
Davide.
Il giorno mer 5 mag 2021 alle ore 14:58 Areeb Sherjil <
areebsher...@gmail.com> ha scritto:
> Oh no sorry, I used %matplotlib tk at the start and now it opens the graph
> in separate window.(Google groups does
n,1,5))+
syms.Sum(Bn*syms.sin(n*w*t),(n,1,5))
f
At this point, the expression f looks like can be simplified. Then:
syms.plot(f.simplify(), (t, 0, 4*T))
Davide.
Il giorno mer 5 mag 2021 alle ore 14:07 Areeb Sherjil <
areebsher...@gmail.com> ha scritto:
> No one is replying, lemme past
rrors in the notebook just comment the lines out.
Davide.
Il giorno mar 4 mag 2021 alle ore 01:41 Aaron Meurer
ha scritto:
> Also I would suggest setting up some sort of Binder for the notebooks
> so that people can try this out without having to install everything.
>
> Aaron M
Hello Oscar,
why is the float approximation of Rational('2.4') more precise of
Float('2.4')?
Davide.
Il giorno lun 12 ott 2020 alle ore 14:14 Oscar Benjamin <
oscar.j.benja...@gmail.com> ha scritto:
> Hi,
>
> The evalf function is intended to compute
his:
f, g = symbols("f, g", cls=Function)
a, b, c = symbols("a:c")
expr = f(a + 2 * b + c)
expr.replace(f, g)
Davide.
Il giorno sab 19 set 2020 alle ore 21:46 David Bailey
ha scritto:
> Dear All,
>
> I was hoping to use SymPy patterns to perform a transformation equiv
ied a sawtooth wave and
it works great! Thank you again!
Davide.
Il giorno mar 25 ago 2020 alle ore 18:48 mikhae...@umontpellier.fr <
mikhael.my...@umontpellier.fr> ha scritto:
> Dear Sandona,
>
> I am not a skilled Sympy user. However, I guess the fact that you do not
> give the per
Hello everyone,
Today I decided to refresh my knowledge of Fourier Expansion. I tried to
use Sympy but I'm not sure if the result is correct or if I did something
wrong, so I need a fresh pair of eyes on this :)
I was following the "Fourier Series of a Square Wave" in the Wolfram
documentation
to represent an equation, take a look at
the source code of this pull-request [1]. It's not perfect, but it is a
starting point; with that class Equation, you can apply the same
mathematical operation to both sides simultaneously.
[1] https://github.com/sympy/sympy/pull/19479
Davide.
Il g
gument are sorted alphabetically. You can easily see the
list of arguments by printing signature.
Davide.
Il giorno gio 9 lug 2020 alle ore 11:08 Roberto <
franceschini.robe...@gmail.com> ha scritto:
> I have seen that lambdify wants a list for the arguments to be treated as
> symbols.
`SetExpr` which should allow to do the same with set objects...
Thank you for your time,
Davide.
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Thank you Oscar for this really exhaustive answer! You clarified all my
doubts.
Davide.
Il giorno lun 8 giu 2020 alle ore 00:08 Oscar Benjamin <
oscar.j.benja...@gmail.com> ha scritto:
> Hi Davide,
>
> I'll answer your questions one by one and then summarise the situation
on of the new module? Where is it not
implemented?
Thank you for your time,
Davide.
[1]
https://groups.google.com/forum/#!searchin/sympy/assumptions|sort:date/sympy/AJVZdWnYQww/1VmnUmVEAAAJ
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understand what the problem is and suggest corrective
actions?
Thanks!
[1] https://github.com/sympy/sympy/issues/18987
[2] https://github.com/Davide-sd/sympy_vector_expressions
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Hello everybody, I am trying to use Beam3D function but I bumped into this
issue. I tried this branch of code from the example list to minimize my
errors :
from sympy.physics.continuum_mechanics.beam import Beam3D
from sympy import symbols
l, E, G, I, A, x = symbols('l, E, G, I, A, x')
b = Beam3
Thank you; I've tried your way and seems working but as you said I am not
able to plot.
What do you think about my last message (I values of different beams must
to be not equal if you use "fixed" as joint). Technically talking there is
no sense in connecting beam with same characteristics, ne
I've made another try with this:
from sympy.physics.continuum_mechanics.beam import Beam
from sympy import symbols
E=500
I = 10
l = 1
P=10
R1, M1, R2, R3 = symbols('R1 M1 R2 R3')
b1 = Beam(2*l, E, I)
b2 = Beam(2*l, E, I)
b = b1.join(b2, "fixed")
b.apply_load(M1, 0, -2)
b.apply_load(R1, 0, -1)
b.ap
, 4, -1)
b.apply_load(R1, 0, -1)
b.apply_load(R2, 0, -2)
b.bc_slope = [(0, 0)]
b.bc_deflection = [(0, 0)]
b.solve_for_reaction_loads(R1, R2)
b.load
b.slope()
b.deflection()
b.plot_deflection()
Il giorno giovedì 6 dicembre 2018 19:10:15 UTC+1, Jashan ha scritto:
>
> Hi Davide
>
> Tha
Hello everbody,
I have the following problem: I need to study the bending problem for a
drive shaft. A drive shaft changes its section area many times axially, so
E and I axially change too; I thought to use the join(beam, via='fixed')
method to do that, connecting many beams each other. Even t
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