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barqueira

@lbarqueira.bsky.social

Data Visualization & Creative Coding enthusiast. Ex-DellEMC, ex-Siemens. MSc, Electrical and Computer Engineering. 🐢Welsh Corgi β€οΈπŸŽΌπŸŒŠπŸ“· Blog: http://lbarqueira.github.io/

1,934 Followers  |  275 Following  |  372 Posts  |  Joined: 26.10.2023
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Posts by barqueira (@lbarqueira.bsky.social)

Thank you πŸ‘

16.12.2025 16:56 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Thank you.

13.12.2025 23:46 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Love it. Any code to share?

13.12.2025 22:19 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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A painting my mother made in 1997. The most beautiful gift I've ever received.
#painting #art

06.12.2025 03:00 β€” πŸ‘ 9    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Roots of complex polynomial
Inspired by β€ͺthe work of @sconradi.bsky.social
#MathArt #Python #CodeArt #SciArt #CreativeCoding #Math

03.10.2025 17:31 β€” πŸ‘ 12    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

Bem engraΓ§ado.

20.09.2025 20:38 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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My bear phase.
#CorgiCrew #DogsOfBluesky #corgisky #corgi #photography #photo

05.09.2025 21:10 β€” πŸ‘ 18    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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Father and son in complete harmony.
#CorgiCrew #DogsOfBluesky #corgisky #corgi #photography #photo

31.08.2025 21:34 β€” πŸ‘ 30    πŸ” 2    πŸ’¬ 1    πŸ“Œ 0

πŸ“Œ

31.08.2025 18:26 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

πŸ“Œ

25.08.2025 16:42 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

πŸ“Œ

24.08.2025 12:29 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

πŸ“Œ

20.08.2025 14:03 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

It sounds great.

16.08.2025 20:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Yes, It is done with Python.

12.08.2025 17:47 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

πŸ“Œ

12.08.2025 16:16 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Exploring the roots of an 18th-degree complex polynomial
x^18βˆ’x^17+(100it1^5βˆ’100it1^4+100it1^3βˆ’100it1^2βˆ’100t1+100i)Β·x^10+(βˆ’100it2^4βˆ’100it2^3+100it2^2+100it2+100)Β·x^6βˆ’0.1 x+0.1
where t₁,tβ‚‚ are complex numbers on the unit circle.
z-axis and color encode Im(t1).

Exploring the roots of an 18th-degree complex polynomial x^18βˆ’x^17+(100it1^5βˆ’100it1^4+100it1^3βˆ’100it1^2βˆ’100t1+100i)Β·x^10+(βˆ’100it2^4βˆ’100it2^3+100it2^2+100it2+100)Β·x^6βˆ’0.1 x+0.1 where t₁,tβ‚‚ are complex numbers on the unit circle. z-axis and color encode Im(t1).

Roots of complex polynomial
Inspired by β€ͺthe work of @sconradi.bsky.social
#MathArt #Python #CodeArt #SciArt #CreativeCoding #Math

11.08.2025 02:14 β€” πŸ‘ 60    πŸ” 7    πŸ’¬ 5    πŸ“Œ 1
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Ria Formosa, Santa-Luzia, #Tavira, #Algarve, #Portugal
July, 2025
#photography, #photo

08.08.2025 23:00 β€” πŸ‘ 18    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

It is beautiful.

07.08.2025 20:56 β€” πŸ‘ 3    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Hopalong Attractor
#MathArt #Python #CodeArt #SciArt #CreativeCoding #Math

02.08.2025 23:16 β€” πŸ‘ 15    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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Exploring the chaotic beauty of Hopalong Attractors. Each of these nine images is generated from a different set of parameters, showing the incredible variety of patterns that emerge.
#MathArt #Python #CodeArt #SciArt #CreativeCoding #Math

01.08.2025 23:31 β€” πŸ‘ 34    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0
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Visualizing Laplace Eigenfunctions on a Circular Domain
These vibrational patterns emerge from solving the eigenvalue problem for the discrete Laplacian matrix.
#MathArt #Python #CodeArt #SciArt #CreativeCoding #Math

28.07.2025 21:15 β€” πŸ‘ 74    πŸ” 16    πŸ’¬ 6    πŸ“Œ 2
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Photo taken by my youngest son of our great bud.
#Photography

27.07.2025 20:42 β€” πŸ‘ 16    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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A new approach:
#MathArt #Python #CodeArt #SciArt #CreativeCoding #Math

25.07.2025 23:28 β€” πŸ‘ 14    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Visualizing the roots of:
x⁹ + 3x⁷ + (βˆ’25𝑖𝑑₂² βˆ’25𝑖𝑑₂ +75𝑖)x⁡ βˆ’4x βˆ’50𝑑₁ βˆ’50𝑖
where 𝑑₁, 𝑑₂ are random points on the complex unit circle
750,000 (𝑑₁,𝑑₂) pairs β†’ 6.75 million roots
Color maps Im(𝑑₂) using a psychedelic rainbow gradient
#MathArt #Python #CodeArt #SciArt #CreativeCoding #Math

25.07.2025 00:55 β€” πŸ‘ 36    πŸ” 3    πŸ’¬ 2    πŸ“Œ 0

πŸ“Œ

24.07.2025 07:49 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Visualizing roots of::
(-15iΒ·tβ‚‚Β² -15iΒ·tβ‚‚ +15i)x⁷ + 3x⁢ -100t₁ -100i
where t₁, tβ‚‚ are complex numbers with |tβ±Ό|=1.
Key to the plot:
β€’ ↔️ x/y: Root's real/imaginary parts
β€’ ↕️ z: Imaginary part of tβ‚‚
β€’ πŸ”΅β†’πŸ”΄ Colors: Im(tβ‚‚) from -1 (blue) to +1 (red)
#MathArt #Python #CodeArt #SciArt #CreativeCoding #Math

22.07.2025 19:32 β€” πŸ‘ 20    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0

Color & Height:
z-axis = Im(tβ‚‚) (vertical)
Colors (YlOrRd colormap) = Im(tβ‚‚)
Yellow: Im(tβ‚‚) β‰ˆ 0 (tβ‚‚ nearly real)
Red: Im(tβ‚‚) β†’ 1 (tβ‚‚ almost purely imaginary)

20.07.2025 21:22 β€” πŸ‘ 4    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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3D visualization shows the complex roots of:
10x¹⁸ - 10x¹⁷ + (3200t₂⁢-4800t₂⁴+1800tβ‚‚Β²-100)x⁸ + (200t₁³-100)x⁷ - 10x + 10
where t₁,tβ‚‚ are complex numbers on the unit circle.
Colors represent Im(tβ‚‚) β‰₯ 0
Inspired by β€ͺthe work of @sconradi.bsky.social
#MathArt #Python #CodeArt #BlueskyArt #SciArt

20.07.2025 21:08 β€” πŸ‘ 37    πŸ” 1    πŸ’¬ 2    πŸ“Œ 0

πŸ“Œ

16.07.2025 14:44 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Yesterday in Ria Formosa, Santa-Luzia, Tavira, Portugal
#Photography, #Portugal, #Algarve, #tavira

12.07.2025 21:45 β€” πŸ‘ 17    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0