General function for querying information about global_function objects.
VALs = gf_global_function_get(global_function GF, 'val',mat PTs)
GRADs = gf_global_function_get(global_function GF, 'grad',mat PTs)
HESSs = gf_global_function_get(global_function GF, 'hess',mat PTs)
s = gf_global_function_get(global_function GF, 'char')
gf_global_function_get(global_function GF, 'display')
General function for querying information about global_function objects.
VALs = gf_global_function_get(global_function GF, 'val',mat PTs)
Return val
function evaluation in PTs
(column points).
GRADs = gf_global_function_get(global_function GF, 'grad',mat PTs)
Return grad
function evaluation in PTs
(column points).
On return, each column of GRADs
is of the
form [Gx,Gy].
HESSs = gf_global_function_get(global_function GF, 'hess',mat PTs)
Return hess
function evaluation in PTs
(column points).
On return, each column of HESSs
is of the
form [Hxx,Hxy,Hyx,Hyy].
s = gf_global_function_get(global_function GF, 'char')
Output a (unique) string representation of the global_function. This can be used to perform comparisons between two different global_function objects. This function is to be completed.
gf_global_function_get(global_function GF, 'display')
displays a short summary for a global_function object.
Y. Collette