db_update

compas_tno.problems.db_update(x, y, thk, fixed, envelope, b, variables)

Function to update the derrivatives of the limits of the extension of the reaction forces on the support vertices.

Parameters:
xarray

xcoordinates of the pattern

yarray

y-coordinates of the pattern

thkfloat

thickness to update the bounds to

fixedlist

LIst with the indices of the fixed vertices

envelopeEnvelope

Envelope object to be updated

barray

Current b limits

variableslist

List with the variables passed

Returns:
db

Sensitivities of the b limits in the point