petsc-3.14.5 2021-03-03
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# TSMonitorLGError

Monitors progress of the TS solvers by plotting each component of the error in a time based line graph

### Synopsis

    #include "petscts.h"
    PetscErrorCode  TSMonitorLGError(TS ts,PetscInt step,PetscReal ptime,Vec u,void *dummy)

Collective on TS

### Input Parameters

| ts | - the TS context
| step | - current time-step
| ptime | - current time
| u | - current solution
| dctx | - TSMonitorLGCtx object created with TSMonitorLGCtxCreate()

### Notes

Each process in a parallel run displays its component errors in a separate window

The user must provide the solution using TSSetSolutionFunction() to use this monitor.

### Options Database Keys

| -ts_monitor_lg_error | - create a graphical monitor of error history

### See Also

TSMonitorSet(), TSMonitorDefault(), VecView(), TSSetSolutionFunction()

### Level

intermediate

### Location

src/ts/interface/ts.c
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages