‚Z”Šw‚ÌŽ¿–âƒXƒŒiˆãŽÒE“Œ‘呲ê—pj Part438 (991Ú½)
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466
(1): 2024/12/22(“ú)21:03 ID:rWRciXK9(8/8) AAS
spherical_triangle_area <- function(R, a, b, c) {
# ’¼ŒðÀ•W‚ւ̕ϊ·
to_cartesian <- function(lat, lon) {
c(cos(lat) * cos(lon), cos(lat) * sin(lon), sin(lat))
}

p <- to_cartesian(a[1], a[2])
q <- to_cartesian(b[1], b[2])
È17
467: 2024/12/22(“ú)22:19 ID:ODwmJOyZ(1) AAS
‰æ‘œØÝ¸[jpeg]:i.imgur.com
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