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P1-iso-P2

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Alternative namesP2-iso-P1, iso-P2 P1
Degrees\(k=1\)
Reference elementsinterval, triangle, quadrilateral
DOFsOn each vertex: point evaluations
On each edge: point evaluations
On each face: point evaluations
Number of DOFsinterval: \(3\)
triangle: \(6\)
quadrilateral: \(9\)
Number of DOFs on subentitiesvertices: \(1\)
edges: \(1\)
faces: \(0\) (triangle), \(1\) (quadrilateral)
Mappingidentity
continuityFunction values are continuous.
CategoriesScalar-valued elements, Macro elements

Implementations

This element is implemented in Basix , Basix.UFL , FIAT , and Symfem .↓ Show implementation detail ↓

Examples

interval
degree 1

(click to view basis functions)
triangle
degree 1

(click to view basis functions)
quadrilateral
degree 1

(click to view basis functions)

References

DefElement stats

Element added06 July 2022
Element last updated27 September 2024