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In 5-limit just intonation, the diminished chord on VII (in C: B–D–F) is 15:8, 9:8, and 4:3, while on II (in C: D–F–A ♭) it is 9:8, 4:3, and 8:5 (135:160:192). According to Georg Andreas Sorge , the trumpet , in its overtone series on C, gives the diminished triad E–G–B ♭ = 5:6:7 ("perfect diminished chord" [ 11 ] ), but the 7 ...
A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]
The Dimensionally Extended 9-Intersection Model (DE-9IM) is a topological model and a standard used to describe the spatial relations of two regions (two geometries in two-dimensions, R 2), in geometry, point-set topology, geospatial topology, and fields related to computer spatial analysis.
Artist's concept of an "uneven ring of dust" orbiting KIC 8462852, also known as Tabby's Star. This list of stars that have unusual dimming periods is a table of stars that have been observed to darken and brighten and do not appear to be eclipsing binaries or intrinsic variables.
[1] [4] For instance, the interval from A to C is a minor third, three semitones wide, and both the intervals from A ♯ to C, and from A to C ♭ are diminished thirds, two semitones wide. Being diminished, it is considered a dissonant interval. [5]
248 (two hundred [and] forty-eight) is the natural number following 247 and preceding 249 ... a Harshad number in bases 3, 4, 6, 7, 9, 11, 13 (and 18 other bases).
For any structured grid utilizing a compact stencil in 1, 2, or 3 dimensions the maximum number of nodes is 3, 9, or 27 respectively. Compact stencils may be compared to non-compact stencils . Compact stencils are currently implemented in many partial differential equation solvers, including several in the topics of CFD, FEA, and other ...
For instance, the number 25 in column k = 3 and row n = 5 is given by 25 = 7 + (3×6), where 7 is the number above and to the left of 25, 6 is the number above 25 and 3 is the column containing the 6.