Hessian

Converse of object

• back: They can be used as a pond liner, or in the garden as a mulch mat, if it is hessian backed.
• start: This effect is fairly common if in addition the starting hessian is also poorly defined.
• calculate: A number of mechanisms are available to define or calculate the initial hessian: 1. On the VARIABLE definition lines of the ZMATRIX.
• use: If you go down to a builders merchant they will sell 12/18 " wide rolls of hessian used to protect brickwork.

Adjective modifier

• initial: A number of mechanisms are available to define or calculate the initial hessian: 1. On the VARIABLE definition lines of the ZMATRIX.
• inverse: For Newton-Raphson calculations, the inverse hessian is output after each exact recalculation, but not after updating.
• damp: This may involve the application of damp hessian or more usually a spray applied curing membrane.

Modifies a noun

• eigenmodes: In the standard Baker algorithm to determine the search step, all hessian eigenmodes contribute with a weighting according to their eigenvalue.
• sack: Protect pots outside from freezing by wrapping round with bubble wrap plastic or hessian sack lined with straw.
• matrix: Topic: hessian Type: Keyword Use: Causes details of the hessian matrix to be output.
• bag: Plastic bottles which have the symbols 1 or 2 in a triangle can be placed in your white hessian bag for kerbside collection.
• command: The default values, where given, are those applied in the control scripts, ( as invoked by the newopt and hessian commands.
• element: If it is a number the diagonal hessian element for the variable specified is set to this number.

Noun used with modifier

• unit: Correspondingly the minimiser will therefore default to BFGS starting from a unit hessian.