return the diameter of the trust region

Takes a image normalized with mold() and returns the original.

Converts a mask generated by the neural network into a format similar to it's original shape. mask: [height, width] of type float. A small, ty

return the lambda set by the user, if < 0 the SparseOptimizer will compute the initial lambda

verbose information during optimization

returns the vertex number <i>id</i> appropriately casted

returns the pointer to the ith vertex connected to the hyper-edge. */

write a debug dump of the system matrix if it is not PSD in solve

write a debug dump of the system matrix if it is not SPD in solve