Skip to main content
Ctrl
+
K
This is the documentation for the pre-release of COMPAS 2.0. The documentation of the stable release of COMPAS 1.x is available
here
.
COMPAS docs
Site Navigation
User Guide
Developer Guide
API Reference
COMPAS Framework
GitHub
Discourse
PyPI
Site Navigation
User Guide
Developer Guide
API Reference
COMPAS Framework
GitHub
Discourse
PyPI
compas
compas.colors
Color
ColorDict
ColorMap
compas.data
Data
DataDecoder
DataEncoder
DecoderError
compas_dataclasses
dataclass_dataschema
dataclass_jsonschema
dataclass_typeschema
json_dump
json_dumps
json_dumpz
json_load
json_loads
json_loadz
compas.datastructures
Assembly
AssemblyError
CellNetwork
Datastructure
Feature
FeatureError
GeometricFeature
Graph
HalfEdge
HalfFace
Mesh
Network
ParametricFeature
Part
Tree
TreeNode
VolMesh
mesh_add_vertex_to_face_edge
mesh_adjacency_matrix
mesh_bounding_box
mesh_bounding_box_xy
mesh_collapse_edge
mesh_connected_components
mesh_connectivity_matrix
mesh_conway_ambo
mesh_conway_bevel
mesh_conway_dual
mesh_conway_expand
mesh_conway_gyro
mesh_conway_join
mesh_conway_kis
mesh_conway_meta
mesh_conway_needle
mesh_conway_ortho
mesh_conway_snub
mesh_conway_truncate
mesh_conway_zip
mesh_degree_matrix
mesh_delete_duplicate_vertices
mesh_disconnected_faces
mesh_disconnected_vertices
mesh_dual
mesh_explode
mesh_face_adjacency
mesh_face_matrix
mesh_flatness
mesh_flip_cycles
mesh_insert_vertex_on_edge
mesh_is_connected
mesh_laplacian_matrix
mesh_merge_faces
mesh_offset
mesh_planarize_faces
mesh_quads_to_triangles
mesh_slice_plane
mesh_smooth_area
mesh_smooth_centerofmass
mesh_smooth_centroid
mesh_split_edge
mesh_split_face
mesh_split_strip
mesh_subdivide
mesh_subdivide_catmullclark
mesh_subdivide_corner
mesh_subdivide_doosabin
mesh_subdivide_frames
mesh_subdivide_quad
mesh_subdivide_tri
mesh_substitute_vertex_in_faces
mesh_thicken
mesh_transform
mesh_transformed
mesh_unify_cycles
mesh_unweld_edges
mesh_unweld_vertices
mesh_weld
meshes_join
meshes_join_and_weld
network_adjacency_matrix
network_complement
network_connectivity_matrix
network_count_crossings
network_degree_matrix
network_disconnected_edges
network_disconnected_nodes
network_embed_in_plane
network_embed_in_plane_proxy
network_explode
network_find_crossings
network_find_cycles
network_is_connected
network_is_crossed
network_is_planar
network_is_planar_embedding
network_is_xy
network_join_edges
network_laplacian_matrix
network_polylines
network_shortest_path
network_smooth_centroid
network_split_edge
network_transform
network_transformed
trimesh_collapse_edge
trimesh_cotangent_laplacian_matrix
trimesh_descent
trimesh_face_circle
trimesh_gaussian_curvature
trimesh_mean_curvature
trimesh_remesh
trimesh_smooth_laplacian_cotangent
trimesh_split_edge
trimesh_subdivide_loop
trimesh_swap_edge
trimesh_vertexarea_matrix
volmesh_bounding_box
volmesh_transform
volmesh_transformed
mesh_contours_numpy
mesh_geodesic_distances_numpy
mesh_isolines_numpy
mesh_oriented_bounding_box_numpy
mesh_oriented_bounding_box_xy_numpy
mesh_transform_numpy
mesh_transformed_numpy
trimesh_pull_points_numpy
trimesh_samplepoints_numpy
compas.files
GLTF
OBJ
OFF
PLY
STL
XML
prettify_string
compas.geometry
Arc
Bezier
Box
Brep
BrepEdge
BrepError
BrepFace
BrepFilletError
BrepInvalidError
BrepLoop
BrepOrientation
BrepTrim
BrepTrimIsoStatus
BrepTrimmingError
BrepType
BrepVertex
Capsule
Circle
Cone
ConicalSurface
Curve
CurveType
Cylinder
CylindricalSurface
Ellipse
Frame
Geometry
Hyperbola
KDTree
Line
NurbsCurve
NurbsSurface
Parabola
PlanarSurface
Plane
Point
Pointcloud
Polygon
Polyhedron
Polyline
Projection
Quaternion
Reflection
Rotation
Scale
Shape
Shear
Sphere
SphericalSurface
Surface
SurfaceType
ToroidalSurface
Torus
Transformation
Translation
Vector
add_vectors
add_vectors_xy
allclose
angle_planes
angle_points
angle_points_xy
angle_vectors
angle_vectors_signed
angle_vectors_xy
angles_points
angles_points_xy
angles_vectors
angles_vectors_xy
archimedean_spiral_evaluate
area_polygon
area_polygon_xy
area_triangle
area_triangle_xy
argmax
argmin
axis_and_angle_from_matrix
axis_angle_from_quaternion
axis_angle_vector_from_matrix
barycentric_coordinates
basis_vectors_from_matrix
bestfit_plane
bounding_box
bounding_box_xy
centroid_points
centroid_points_weighted
centroid_points_xy
centroid_polygon
centroid_polygon_edges
centroid_polygon_edges_xy
centroid_polygon_vertices
centroid_polygon_vertices_xy
centroid_polygon_xy
centroid_polyhedron
circle_evaluate
circle_from_points
circle_from_points_xy
close
closest_line_to_point
closest_point_in_cloud
closest_point_in_cloud_xy
closest_point_on_line
closest_point_on_line_xy
closest_point_on_plane
closest_point_on_polygon_xy
closest_point_on_polyline
closest_point_on_polyline_xy
closest_point_on_segment
closest_point_on_segment_xy
compose_matrix
compute_basisfuncs
compute_basisfuncsderivs
construct_knotvector
convex_hull
convex_hull_xy
cross_vectors
cross_vectors_xy
decompose_matrix
dehomogenize_vectors
delaunay_from_points
delaunay_from_points
discrete_coons_patch
distance_line_line
distance_point_line
distance_point_line_sqrd
distance_point_line_sqrd_xy
distance_point_line_xy
distance_point_plane
distance_point_plane_signed
distance_point_point
distance_point_point_sqrd
distance_point_point_sqrd_xy
distance_point_point_xy
divide_vectors
divide_vectors_xy
dot_vectors
dot_vectors_xy
earclip_polygon
ellipse_evaluate
euler_angles_from_matrix
euler_angles_from_quaternion
find_span
helix_evaluate
homogenize_vectors
identity_matrix
intersection_circle_circle_xy
intersection_ellipse_line_xy
intersection_line_box_xy
intersection_line_line
intersection_line_line_xy
intersection_line_plane
intersection_line_segment
intersection_line_segment_xy
intersection_line_triangle
intersection_plane_circle
intersection_plane_plane
intersection_plane_plane_plane
intersection_polyline_box_xy
intersection_polyline_plane
intersection_segment_plane
intersection_segment_polyline
intersection_segment_polyline_xy
intersection_segment_segment
intersection_segment_segment_xy
intersection_sphere_line
intersection_sphere_sphere
is_ccw_xy
is_colinear
is_colinear_line_line
is_colinear_xy
is_coplanar
is_matrix_square
is_parallel_line_line
is_parallel_vector_vector
is_point_behind_plane
is_point_in_circle
is_point_in_circle_xy
is_point_in_convex_polygon_xy
is_point_in_polygon_xy
is_point_in_polyhedron
is_point_in_triangle
is_point_in_triangle_xy
is_point_infrontof_plane
is_point_on_line
is_point_on_line_xy
is_point_on_plane
is_point_on_polyline
is_point_on_polyline_xy
is_point_on_segment
is_point_on_segment_xy
is_polygon_convex
is_polygon_convex_xy
is_polygon_in_polygon_xy
knots_and_mults_to_knotvector
knotvector_to_knots_and_mults
length_vector
length_vector_sqrd
length_vector_sqrd_xy
length_vector_xy
local_axes
local_to_world_coordinates
logarithmic_spiral_evaluate
matrix_determinant
matrix_from_axis_and_angle
matrix_from_axis_angle_vector
matrix_from_basis_vectors
matrix_from_change_of_basis
matrix_from_euler_angles
matrix_from_frame
matrix_from_frame_to_frame
matrix_from_orthogonal_projection
matrix_from_parallel_projection
matrix_from_perspective_entries
matrix_from_perspective_projection
matrix_from_quaternion
matrix_from_scale_factors
matrix_from_shear
matrix_from_shear_entries
matrix_from_translation
matrix_inverse
matrix_minor
midpoint_line
midpoint_line_xy
midpoint_point_point
midpoint_point_point_xy
mirror_point_plane
mirror_points_line
mirror_points_line_xy
mirror_points_plane
mirror_points_point
mirror_points_point_xy
mirror_vector_vector
multiply_matrices
multiply_matrix_vector
multiply_vectors
multiply_vectors_xy
norm_vector
norm_vectors
normal_polygon
normal_triangle
normal_triangle_xy
normalize_vector
normalize_vector_xy
normalize_vectors
normalize_vectors_xy
offset_line
offset_polygon
offset_polyline
orient_points
orthonormalize_axes
orthonormalize_vectors
power_vector
power_vectors
project_point_line
project_point_line_xy
project_point_plane
project_points_line
project_points_line_xy
project_points_plane
quaternion_canonize
quaternion_conjugate
quaternion_from_axis_angle
quaternion_from_euler_angles
quaternion_from_matrix
quaternion_is_unit
quaternion_multiply
quaternion_norm
quaternion_unitize
reflect_line_plane
reflect_line_triangle
rotate_points
rotate_points_xy
scale_points
scale_points_xy
scale_vector
scale_vector_xy
scale_vectors
scale_vectors_xy
sort_points
sort_points_xy
square_vector
square_vectors
subtract_vectors
subtract_vectors_xy
sum_vectors
tangent_points_to_circle_xy
transform_frames
transform_points
transform_vectors
translate_points
translate_points_xy
translation_from_matrix
transpose_matrix
tween_points
tween_points_distance
vector_average
vector_component
vector_component_xy
vector_standard_deviation
vector_variance
volume_polyhedron
world_to_local_coordinates
bestfit_circle_numpy
bestfit_frame_numpy
bestfit_line_numpy
bestfit_plane_numpy
bestfit_sphere_numpy
closest_points_in_cloud_numpy
convex_hull_numpy
convex_hull_xy_numpy
dehomogenize_and_unflatten_frames_numpy
dehomogenize_numpy
delaunay_from_points_numpy
homogenize_and_flatten_frames_numpy
homogenize_numpy
icp_numpy
local_to_world_coordinates_numpy
oriented_bounding_box_numpy
oriented_bounding_box_xy_numpy
transform_points_numpy
transform_vectors_numpy
trimesh_descent_numpy
trimesh_gradient_numpy
voronoi_from_points_numpy
world_to_local_coordinates_numpy
boolean_difference_mesh_mesh
boolean_difference_polygon_polygon
boolean_intersection_mesh_mesh
boolean_intersection_polygon_polygon
boolean_symmetric_difference_polygon_polygon
boolean_union_mesh_mesh
boolean_union_polygon_polygon
conforming_delaunay_triangulation
constrained_delaunay_triangulation
delaunay_triangulation
intersection_mesh_mesh
intersection_ray_mesh
oriented_bounding_box
quadmesh_planarize
trimesh_gaussian_curvature
trimesh_geodistance
trimesh_harmonic
trimesh_isolines
trimesh_lscm
trimesh_massmatrix
trimesh_mean_curvature
trimesh_principal_curvature
trimesh_remesh
trimesh_remesh_along_isoline
trimesh_remesh_constrained
trimesh_slice
compas.numerical
adjacency_matrix
chofactor
connectivity_matrix
degree_matrix
dof
equilibrium_matrix
face_matrix
laplacian_matrix
lufactorized
mass_matrix
nonpivots
normalizerow
normrow
nullspace
pivots
rank
rot90
rref
solve_with_known
spsolve_with_known
stiffness_matrix
uvw_lengths
pca_numpy
scalarfield_contours
compas.plugins
IncompletePluginImplError
PluginDefaultNotAvailableError
PluginManager
PluginNotInstalledError
PluginValidator
pluggable
plugin
plugin_manager
compas.rpc
Dispatcher
Proxy
RPCClientError
RPCServerError
Server
compas.scene
GeometryObject
MeshObject
NetworkObject
NoSceneObjectContextError
Scene
SceneObject
SceneObjectNotRegisteredError
VolMeshObject
get_sceneobject_cls
register
clear
redraw
register_scene_objects
compas.topology
adjacency_from_edges
astar_lightest_path
astar_shortest_path
breadth_first_ordering
breadth_first_paths
breadth_first_traverse
connected_components
depth_first_ordering
dijkstra_distances
dijkstra_path
face_adjacency
shortest_path
unify_cycles
vertex_coloring
face_adjacency_numpy
unify_cycles_numpy
compas_blender
compas_blender.conversions
bmesh_to_compas
circle_to_blender_curve
color_to_blender_material
cylinder_to_blender_mesh
line_to_blender_curve
mesh_to_blender
mesh_to_compas
meshobj_to_compas
monkey_to_compas
nurbscurve_to_blender_curve
nurbssurface_to_blender_surface
pointcloud_to_blender
polygon_to_blender_mesh
polyline_to_blender_curve
sphere_to_blender_mesh
transformation_to_blender
transformation_to_compas
vertices_and_faces_to_blender_mesh
compas_blender.geometry
boolean_difference_mesh_mesh
boolean_intersection_mesh_mesh
boolean_union_mesh_mesh
compas_blender.scene
BlenderSceneObject
BoxObject
CapsuleObject
CircleObject
ConeObject
CurveObject
CylinderObject
FrameObject
LineObject
MeshObject
NetworkObject
PointObject
PointcloudObject
PolygonObject
PolyhedronObject
PolylineObject
SphereObject
SurfaceObject
TorusObject
VectorObject
VolMeshObject
compas_ghpython
compas_ghpython.components
install_userobjects
uninstall_userobjects
compas_ghpython.scene
BoxObject
CapsuleObject
CircleObject
ConeObject
CurveObject
CylinderObject
EllipseObject
FrameObject
GHSceneObject
LineObject
MeshObject
NetworkObject
PointObject
PolygonObject
PolyhedronObject
PolylineObject
SphereObject
SurfaceObject
TorusObject
VectorObject
VolMeshObject
compas_rhino
compas_rhino.conversions
ConversionError
arc_to_compas
arc_to_rhino
box_to_compas
box_to_rhino
brep_to_compas_box
brep_to_compas_cone
brep_to_compas_cylinder
brep_to_compas_sphere
brep_to_rhino
capsule_to_rhino_brep
circle_to_compas
circle_to_rhino
circle_to_rhino_curve
cone_to_compas
cone_to_rhino
cone_to_rhino_brep
curve_to_compas_circle
curve_to_compas_ellipse
curve_to_compas_line
curve_to_compas_polyline
curve_to_rhino
cylinder_to_compas
cylinder_to_rhino
cylinder_to_rhino_brep
data_to_rhino_surface
ellipse_to_compas
ellipse_to_rhino
ellipse_to_rhino_curve
extrusion_to_compas_box
extrusion_to_compas_cylinder
extrusion_to_compas_torus
frame_to_rhino
frame_to_rhino_plane
line_to_compas
line_to_rhino
line_to_rhino_curve
mesh_to_compas
mesh_to_rhino
plane_to_compas
plane_to_compas_frame
plane_to_rhino
point_to_compas
point_to_rhino
polygon_to_compas
polygon_to_rhino
polyhedron_to_rhino
polyline_to_compas
polyline_to_rhino
polyline_to_rhino_curve
sphere_to_compas
sphere_to_rhino
surface_to_compas
surface_to_compas_data
surface_to_compas_mesh
surface_to_compas_quadmesh
surface_to_rhino
torus_to_rhino
torus_to_rhino_brep
transformation_matrix_to_rhino
transformation_to_rhino
vector_to_compas
vector_to_rhino
vertices_and_faces_to_rhino
compas_rhino.geometry
RhinoBrep
RhinoBrepEdge
RhinoBrepFace
RhinoBrepLoop
RhinoBrepTrim
RhinoBrepVertex
RhinoNurbsCurve
RhinoNurbsSurface
boolean_difference_mesh_mesh
boolean_intersection_mesh_mesh
boolean_union_mesh_mesh
trimesh_gaussian_curvature
trimesh_mean_curvature
trimesh_principal_curvature
trimesh_slice
compas_rhino.scene
BoxObject
BrepObject
CapsuleObject
CircleObject
ConeObject
CurveObject
CylinderObject
EllipseObject
FrameObject
LineObject
MeshObject
NetworkObject
PlaneObject
PointObject
PolygonObject
PolyhedronObject
PolylineObject
RhinoSceneObject
SphereObject
SurfaceObject
TorusObject
VectorObject
VolMeshObject
API Reference
compas.numerical
stiffness_matrix
stiffness_matrix
compas.numerical.
stiffness_matrix
(
)
[source]
On this page
stiffness_matrix()