ripser(1)

# NAME

ripser - fast computation of persistent homology of flag complexes

# SYNOPSIS

*ripser* [options...] [filename]

# OPTIONS

*--help*
	Show help message and quit.

*--format* <format>
	Use the specified file format for the input. Options are:
	- lower-distance (lower triangular distance matrix; default)
	- upper-distance (upper triangular distance matrix)
	- distance       (full distance matrix)
	- point-cloud    (point cloud in Euclidean space)
	- dipha          (distance matrix in DIPHA file format)
	- sparse         (sparse distance matrix in sparse triplet format)
	- binary         (lower triangular distance matrix in binary format)

*--dim* <k>
	Compute persistent homology up to dimension k
*--threshold <t>*
	Compute Rips complexes up to diameter t
*--ratio <r>*
	Only show persistence pairs with death/birth ratio > r

# SEE ALSO

*ripser-coeff*(1)