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User Guide
Scatter-Gather Dataflow in
iskra
✨
Sparse Linear Algebra in
iskra
✨
Inverse Geometry Processing in
iskra
✨
API Reference
Topology & Scatter-Gather
iskra.topology
assemble_incidence_matrix
boundary
connected_components
edge_flaps
face_index
face_to_subface_idcs
find_cliques
get_subfaces
get_vert_vert
incidence_matrix
ordered_boundary_edges
ordered_boundary_vertices
reduce_on_subface
scatter_edge_to_vert_vert
simplex_parity
vertex_adjacency_matrix
Sparse Linear Algebra
iskra.sparse
SparseTensor
alias
append
cat
coo_tensor
csr_tensor
diag
eye
fill_slice
from_scipy
get_diag
get_slice
index_complement
inv_diag
is_sparse_any
isect_indices
matmul
mul
mul_sparse_sparse
ravel_indices
repdiag
reshape
square
to_scipy
unravel_index
zero_slice
iskra.sparse_linalg
CUDSSSolver
CholmodSolver
Eigsh
LinearFactorAndSolve
build_diagonal_preconditioner
build_sampled_diagonal_preconditioner
cg_solve
default_solver
eigsh
estimate_spectral_radius
fixed_point_solver
gmres_solve
linear_solve
make_power_iteration_vjp
min_quadratic_energy
power_iteration
power_iterations
quad_energy_mat
quad_energy_rhs
Low-Level Geometry
iskra.geometry.barycentric
barycentric_coordinates
barycentric_interpolate
edge_barycentric_coordinates
is_inside_pairwise
tetrahedron_barycentric_coordinates
triangle_barycentric_coordinates
iskra.geometry.distances
clamped_length
clamped_length_sqr
closest_edge
closest_simplex
closest_triangle
edge_project
edge_to_line
hyperplane_project
point_dist
point_dist_matrix
point_edge_dist
point_edge_dist_matrix
point_simplex_dist
point_simplex_dist_matrix
point_tetrahedron_dist
point_tetrahedron_dist_matrix
point_triangle_dist
point_triangle_dist_matrix
simplex_codim
simplex_project
tetrahedron_project
tetrahedron_udf
triangle_project
triangle_to_plane
triangle_udf
iskra.geometry.volume
edge_lengths
tetrahedron_volumes
tetrahedron_volumes_intrinsic
triangle_areas
triangle_areas_intrinsic
volume_form
volume_form_intrinsic
iskra.geometry.angles
interior_angles
iskra.geometry.bbox
BBox
iskra.geometry.coordinate_system
normal_coordinate_system
triangle_coordinate_system
iskra.geometry.element_quality
abs_tetrahedron_heights
triangle_altitudes
iskra.geometry.normals
edge_length_normals
edge_normals
face_normals
triangle_area_normals
triangle_normals
vertex_normals
volume_face_normals
Differential Operators
iskra.dec
d_01
d_10
d_12
d_21
hodge_0
hodge_0_intrinsic
hodge_0_intrinsic_inv
hodge_0_inv
hodge_1
hodge_1_intrinsic
hodge_1_intrinsic_inv
hodge_1_inv
hodge_2
hodge_2_intrinsic
hodge_2_intrinsic_inv
hodge_2_inv
laplacian
laplacian_from_weights
laplacian_intrinsic
iskra.fem
grad
grad_edges
grad_to_div
grad_triangle_2d
grad_triangle_3d
laplacian
laplacian_intrinsic
mass
mass_intrinsic
mass_intrinsic_inv
mass_inv
Implicit-Function Module
iskra.adjoint
compute_jacobian
compute_jacobians
compute_numerical_jacobian
make_adjoint_layer
make_adjoint_vjps
make_fixed_point_layer
Random Sampling
iskra.random
BBoxSampler
EdgeSampler
MeshSampler
MeshSamplingRecord
SamplingRecord
TetrahedronSampler
TriangleSampler
create_simplex_sampler
sample_circle
sample_sphere
Directional
iskra.directional
complex_nth_root
face_connection_d_01
face_connection_laplacian
face_connection_mass
face_tangent_bundle
smooth_frame_field
smooth_n_rosy
to_extrinsic
to_extrinsic_frame_field
to_extrinsic_n_rosy
to_intrinsic
to_intrinsic_frame_field
to_intrinsic_n_rosy
transport_from_face
iskra.deformation
iskra.io
iskra.signed_svd
iskra.skinning
API Reference
Differential Operators
iskra.fem
mass_inv
mass_inv
#
iskra.fem.
mass_inv
(
vertices
:
Tensor
,
faces
:
Tensor
)
→
Tensor
[SOURCE]
#
On this page
mass_inv()
