Art&Blue-Liberalism: February 2025

Sunday, February 23, 2025

The standing picture of Seiga Nyan-Nyan for my own Yukkuri kaisetsu! - Touhou Project

Posted on my pixiv page: https://www.pixiv.net/en/artworks/127571417

I have created the standing picture of Seiga Nyan-Nyan for my own Yukkuri kaisetsu!

YouTube: https://www.youtube.com/shorts/UHnkcZJoOfM
NicoNico: https://www.nicovideo.jp/watch/sm44692940

Tuesday, February 18, 2025

Lower Enveloping with the Different Interpolation Methods

Comparison

Continuity provided by the derivatives

Introduced in this YouTube video:

This introduces finding the lower peaks of a financial time series to interpolate these values across the data points of the lower peaks to generate the lower envelope of this time series.

There are different interpolation methods introduced here. Piecewise Cubic Hermite Interpolating Polynomial (PCHIP), Natural Cubic Spline Interpolation, and AKIMA Spline Interpolations are the effective tool for the enveloping. The choice will differ depending on the purpose of finding the envelope.

My Python codes are displayed below:

A memory of Myonchan (Youmu) with her grandpa Youki Konnpaku and their master Yuyuko Saigyouji in Hakugyokurou - Touhou Project

Posted on my pixiv: https://www.pixiv.net/en/artworks/127342629
A memory of Myonchan (Youmu) with her grandpa Youki Konnpaku and their master Yuyuko Saigyouji in Hakugyokurou

I tried to illustrate Youmu's precious memory with her grandpa before his disappearance. So, I used the faint colouring to depict such a scene in her memory...