Alphabetical Command Reference

Topical Listing Invoking Commands Usage Syntax

addGroup adds a group to the active network
addLinkType creates a new link type
addNet creates a new network and makes it the active network
alias creates or prints a command alias
autoPlot plots the entire network in a charming format
cd changes the current directory
changeGroupType adds, removes, or toggles group types
clientInfo returns information about one or all clients
closeNetOutputFile stops writing network output activations
connectGroupToUnits creates links from all units in a group to given units
connectGroups creates links with a specified pattern between groups
connectUnits creates a link from one unit to another
copyConnect connects a group to an IN_, OUT_, or TARGET_COPY group
copyUnitValues copies inputs, outputs, or other fields between groups
deleteExampleSets deletes a list of example sets
deleteGroupInputs deletes inputs to a group (including Elman inputs)
deleteGroupOutputs deletes outputs from a group (including Elman outputs)
deleteGroups deletes a list of groups from the active network
deleteLinkType deletes a user-defined link type
deleteLinks deletes all links of a specified type
deleteNets deletes a list of networks or the active network
deleteUnitInputs deletes inputs of a specified type to a unit
deleteUnitOutputs deletes outputs of a specified type from a unit
deltaBarDelta trains the network using delta-bar-delta
disconnectGroupUnit deletes links from a group to a unit
disconnectGroups deletes links of a specified type between two groups
disconnectUnits deletes links of a specified type between two units
doExample runs the network on the next or a specified example
dougsMomentum trains the network using bounded momentum descent
drawUnits actually renders a new plot on the unit display
elmanConnect connects a source group to an Elman context group
exampleSetMode sets or returns the example set's example selection mode
exit exits from the simulator
exportGraph exports the data in a graph to a file
freezeWeights stops weight updates on specified links
getObject prints the contents of an object
getSeed returns the last seed used on the random number generator
graph creates, deletes, or manipulates graphs
graphObject opens a graph of the value of an object or command
groupType sets or displays the types of a group
healUnits restores lesioned units
help prints this list or explains a command
close closes a Tcl channel
eval performs an evaluation pass on a command
exec runs a subprocess
expr performs a mathematical calculation
for for loop
foreach loops over the elements in a list
glob performs file name lookup
history manipulates the command history list
if conditional test
open opens a Tcl channel
pid returns the current process id
puts prints a string to standard output or a Tcl channel
return returns from the current procedure or script
set creates and sets the value of a variable
switch switch statement
unset removes variables
while while loop
index creates a .tclIndex file recording the locations of commands
lesionLinks removes links or zeros or adds noise to their weights
lesionUnits inactivates units
loadExamples reads an example file into an example set
loadWeights loads the link weights and other values from a file
loadXerionWeights loads weights from a Xerion text-format weight file
ls lists the contents of a directory
manual opens the Lens manual in a web browser
momentum trains the network using momentum descent
moveExamples moves examples from one set to another
nice increments or returns the process's priority
noiseType sets a group's noise parameters
openNetOutputFile begins writing network output activations to a file
orderGroups sets the order in which groups are updated
path returns the full object path name of a major object
plotAll plots all the units in a group in as many rows as needed
plotRow defines one or more rows of the unit display plot
polarity compute the avg polarization of unit outputs in a group
printLinkValues prints values for specified links to a file
printUnitValues prints values for each unit in a list of groups to a file
pwd returns the current directory
rand returns a random real number in a given range
randInt returns a random integer in a given range
randWeights randomizes all of the weights of a selected type
repeat loops a specified number of times
resetDerivs clears the unit and link error derivatives
resetExampleSets returns the example set to the first example
resetNet randomizes all weights and clears direction information
resetPlot resets the plot layout
resetUnitValues resets inputs, outputs, or other fields for a group
saveExamples writes an example set to an example file
saveParameters writes network or group parameters to a script file
saveWeights saves the link weights and other values in a file
seed seeds the random number generator
sendEval executes a command on the server or on one or all clients
sendObject a shortcut for doing a local and remote setObject
setLinkValues sets parameters for specified links
setObject sets the value of an object field
setTime sets the network's time and history parameters
signal raises a signal in the current process
source runs a script file
startClient makes the current process a parallel training client
startServer makes the current process a parallel training server
steepest trains the network using steepest descent
stopClient closes the connection with the server
stopServer disengages all clients and stops running as a server
test tests the network on the testing set
thawWeights resumes weight updates on specified links
time runs a command and returns the time elapsed
trace creates, deletes, or manipulates traces within a graph
train trains the network using a specified algorithm
trainParallel trains the network in parallel on the clients
unalias deletes a command alias
updateWeights updates the weights using the current link derivatives
useNet activates a network or prints a list of all networks
useTestingSet makes an example set the current testing set
useTrainingSet makes an example set the current training set
verbosity check or set how verbose Lens is (mostly during training)
view opens the main control display
viewConsole opens the shell console
viewLinks opens the link viewer
viewObject opens an object viewer
viewUnits opens the unit viewer
wait stops the interactive shell for batch jobs
waitForClients executes a command when enough clients have connected

Douglas Rohde
Last modified: Mon Mar 1 21:11:18 EST 1999