isometric forms

isometric forms

[¦ī·sə′me·trik ′fȯrmz]
(mathematics)
Two bilinear forms ƒ and g on vector spaces E and F for which there exists a linear isomorphism of E onto F such that ƒ(x,y)= gx, σ y) for all x and y in E.
References in periodicals archive ?
In some cases (for example, "A Mighty Fortress Is Our God" or "Wake, Awake, For Night Is Flying"), the melodies appear in both rhythmic and isometric forms.