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barqueira

@lbarqueira

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

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26.10.2023
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Latest posts by barqueira @lbarqueira

Thank you πŸ‘

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

Thank you.

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

Love it. Any code to share?

13.12.2025 22:19 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 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 πŸ‘ 12 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Bem engraΓ§ado.

20.09.2025 20:38 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 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 πŸ‘ 30 πŸ” 2 πŸ’¬ 1 πŸ“Œ 0

πŸ“Œ

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

πŸ“Œ

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

πŸ“Œ

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

πŸ“Œ

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

It sounds great.

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

Yes, It is done with Python.

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

πŸ“Œ

12.08.2025 16:16 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 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 πŸ‘ 18 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

It is beautiful.

07.08.2025 20:56 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 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 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 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 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 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 πŸ‘ 36 πŸ” 3 πŸ’¬ 2 πŸ“Œ 0

πŸ“Œ

24.07.2025 07:49 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 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 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 πŸ‘ 37 πŸ” 1 πŸ’¬ 2 πŸ“Œ 0

πŸ“Œ

16.07.2025 14:44 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 πŸ‘ 17 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0