the distance of a point from y axis is called the ordinate.
what is the distance of a point from y axis called?
the ordinate
the idea behind euler rotations is to split the complete rotation of the coordinate system into three simpler constitutive rotations, called precession, nutation, and intrinsic rotation, being each one of them an increment on one of the euler angles. notice that the outer matrix will represent a rotation around one of the axes of the reference frame, and the inner matrix represents a rotation around one of the moving frame axes. the middle matrix represents a rotation around an intermediate axis called line of nodes.
rotation formalisms in three dimensions
bullet::::- "chaca bankanensis" bleeker, 1852





















































section::::order siluriformes.:family clariidae.





















































bullet::::- "clarias batrachus" (linnaeus, 1758)





















































bullet::::- "clarias leiacanthus" bleeker, 1851





















































bullet::::- "clarias meladerma" bleeker, 1846





















































bullet::::- "clarias microspilus" ng & hadiaty, 2011





















































bullet::::- "clarias nieuhofii" valenciennes, 1840





















































bullet::::- "clarias olivaceus" fowler, 1904





















































bullet::::- "clarias teijsmanni" bleeker, 1857





















































bullet::::- "encheloclarias cf. kelioides" ng & lim, 1993





















































bullet::::- "encheloclarias tapeinopterus" (bleeker, 1853)





















































bullet::::- "encheloclarias velatus" ng & tan, 2000





















































section::::order siluriformes.:family ariidae.





















































bullet::::- "arius maculatus" (thunberg, 1792)





















































bullet::::- "batrachocephalus mino" (hamilton, 1822)





















































bullet::::- "cephalocassis borneensis" (bleeker, 1851)





















































bullet::::- "cephalocassis melanochir" (bleeker, 1852)





















































bullet::::- "cryptarius truncatus" (valenciennes, 1840)





















































bullet::::- "hemiarius stormii" (bleeker, 1858)
list of freshwater fish of sumatra