Download User`s Guide for SNOPT Version 7.4 - CCoM

102
SNOPT 7.4 User’s Guide
format(i8, 2x, 2a4, 1x, a1, 1x, a3, 5e16.6, i7)
adapted to suit the occasion. The end of the ROWS section is marked by a record that
starts with a 1 and is otherwise blank. If this and the next 4 records are skipped, the
COLUMNS section can then be read under the same format. (There should be no need for
backspace statements.)
8.9.
The SUMMARY file
If Summary file > 0, the following information is output to the Summary file. (It is a brief
form of the Print file.) All output lines are less than 72 characters.
•
•
•
•
•
The Begin line from the Specs file, if any.
The basis file loaded, if any.
A brief Major iteration log.
A brief Minor iteration log.
The EXIT condition and a summary of the final solution.
The following Summary file is from the example of Section 3.2, using Major print level
1 and Minor print level 0.
==============================
S N O P T 7.4-1.1 (Jan 2015)
==============================
Nonzero derivs
Non-constant
SNJAC
SNJAC
Jij
Jij’s
5
4
Constant Jij’s
1
EXIT 100 -- finished successfully
INFO 102 -- Jacobian structure estimated
Nonlinear constraints
Nonlinear variables
Jacobian variables
Total constraints
2
2
2
3
The user has defined
Step
0
nCon
1
2
4
5
6
7
8
8
Linear constraints
Linear variables
Objective variables
Total variables
out of
4
first
Major Minors
0
2
1
1
2
2
3
0
4
0
5
0
6
0
6
0
1.0E+00
1.0E+00
1.0E+00
1.0E+00
1.0E+00
1.0E+00
1.0E+00
SNOPTA EXIT
SNOPTA INFO
0 -- finished successfully
1 -- optimality conditions satisfied
Problem name
No. of iterations
No. of major iterations
Penalty parameter
No. of calls to funobj
Calls with modes 1,2 (known
No. of degenerate steps
Max x
Max Primal infeas
Nonlinear constraint violn
1
0
0
2
derivatives
Feasible Optimal MeritFunction
5.0E-01 1.0E+00 1.0000000E+00
(0.0E+00) 1.0E+00 -9.0016883E-13
5.0E-01 2.5E-01 -1.0000000E+00
5.0E-01 1.8E-02 -9.7904716E-01
2.8E-02 6.3E-03 -1.0005949E+00
9.6E-05 2.4E-05 -1.0000000E+00
(1.1E-09)(2.7E-10)-1.0000000E+00
(1.1E-09)(2.7E-10)-1.0000000E+00
nS Penalty
2
2
r
rl
sm l
2.6E-02
2.6E-02
4.1E-01
8.7E-01
8.7E-01
sntoy
5
6
8.708E-01
40
g)
8
0
2 1.0E+00
5 4.4E-15
2.2E-09
Objective
-1.0000000003E+00
Linear
obj. term -1.0000000003E+00
Nonlinear obj. term 0.0000000000E+00
No. of calls to funcon
40
Calls with modes 1,2 (known g)
8
Percentage
0.00
Max pi
3 1.0E+00
Max Dual infeas
2 2.7E-10
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