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MATH-1625: Add callback to generate debugging output (unit test). 

Debugging output is activated through specifying a file prefix in the CSV input file.
This commit is contained in:
Gilles Sadowski 2021-08-14 01:36:44 +02:00
parent 310b21e4d7
commit 5f36bf970a
4 changed files with 182 additions and 81 deletions
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115
commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizerTest.java
View File

@ -17,10 +17,12 @@
package org.apache.commons.math4.legacy.optim.nonlinear.scalar.noderiv; package org.apache.commons.math4.legacy.optim.nonlinear.scalar.noderiv;
import java.util.Arrays; import java.util.Arrays;
import java.util.List;
import java.io.PrintWriter; import java.io.PrintWriter;
import java.io.IOException; import java.io.IOException;
import java.nio.file.Files; import java.nio.file.Files;
import java.nio.file.Paths; import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import org.junit.jupiter.api.Assertions; import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test; import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ParameterContext; import org.junit.jupiter.api.extension.ParameterContext;
@ -132,6 +134,8 @@ public class SimplexOptimizerTest {
private final double jitter; private final double jitter;
/** Whether to perform simulated annealing. */ /** Whether to perform simulated annealing. */
private final boolean withSA; private final boolean withSA;
/** File prefix (for saving debugging info). */
private final String tracePrefix;
/** /**
* @param function Test function. * @param function Test function.
@ -143,6 +147,8 @@ public class SimplexOptimizerTest {
* @param simplexSideLength Side length of initial simplex. * @param simplexSideLength Side length of initial simplex.
* @param jitter Size of random jitter. * @param jitter Size of random jitter.
* @param withSA Whether to perform simulated annealing. * @param withSA Whether to perform simulated annealing.
* @param tracePrefix Prefix of the file where to save simplex
* transformations during the optimization.
*/ */
Task(MultivariateFunction function, Task(MultivariateFunction function,
double[] start, double[] start,
@ -151,7 +157,8 @@ public class SimplexOptimizerTest {
int functionEvaluations, int functionEvaluations,
double simplexSideLength, double simplexSideLength,
double jitter, double jitter,
boolean withSA) { boolean withSA,
String tracePrefix) {
this.function = function; this.function = function;
this.start = start; this.start = start;
this.optimum = optimum; this.optimum = optimum;
@ -160,6 +167,7 @@ public class SimplexOptimizerTest {
this.simplexSideLength = simplexSideLength; this.simplexSideLength = simplexSideLength;
this.jitter = jitter; this.jitter = jitter;
this.withSA = withSA; this.withSA = withSA;
this.tracePrefix = tracePrefix;
} }
@Override @Override
@ -170,7 +178,7 @@ public class SimplexOptimizerTest {
/** /**
* @param factory Simplex transform factory. * @param factory Simplex transform factory.
*/ */
public void run(Simplex.TransformFactory factory) { /* package-private */ void run(Simplex.TransformFactory factory) {
// Let run with a maximum number of evaluations larger than expected // Let run with a maximum number of evaluations larger than expected
// (as specified by "functionEvaluations") in order to have the unit // (as specified by "functionEvaluations") in order to have the unit
// test failure message (see assertion below) report the actual number // test failure message (see assertion below) report the actual number
@ -199,6 +207,10 @@ public class SimplexOptimizerTest {
} }
final SimplexOptimizer optim = new SimplexOptimizer(-1, CONVERGENCE_CHECK); final SimplexOptimizer optim = new SimplexOptimizer(-1, CONVERGENCE_CHECK);
if (tracePrefix != null) {
optim.addObserver(createCallback(factory));
}
final Simplex initialSimplex = final Simplex initialSimplex =
Simplex.alongAxes(OptimTestUtils.point(dim, Simplex.alongAxes(OptimTestUtils.point(dim,
simplexSideLength, simplexSideLength,
@ -227,6 +239,76 @@ public class SimplexOptimizerTest {
name + ": nEval=" + nEval); name + ": nEval=" + nEval);
} }
/**
* @param factory Simplex transform factory.
* @return a function to save the simplex's states to file.
*/
private SimplexOptimizer.Observer createCallback(Simplex.TransformFactory factory) {
if (tracePrefix == null) {
throw new IllegalArgumentException("Missing file prefix");
}
final String sep = "__";
final String name = tracePrefix + sanitizeBasename(function + sep +
factory + sep);
// Create file; write first data block (optimum) and columns header.
try (PrintWriter out = new PrintWriter(Files.newBufferedWriter(Paths.get(name)))) {
out.println("# Function: " + function);
out.println("# Transform: " + factory);
out.println("#");
out.println("# Optimum");
for (double c : optimum) {
out.print(c + " ");
}
out.println();
out.println();
out.println("#");
out.print("# <1: evaluations> <2: objective>");
for (int i = 0; i < start.length; i++) {
out.print(" <" + (i + 3) + ": coordinate " + i + ">");
}
out.println();
} catch (IOException e) {
Assertions.fail(e.getMessage());
}
// Return callback function.
return (simplex, isInit, numEval) -> {
try (PrintWriter out = new PrintWriter(Files.newBufferedWriter(Paths.get(name),
StandardOpenOption.APPEND))) {
if (isInit) {
// Blank line indicating the start of an optimization
// (new data block).
out.println();
out.println("# [init]"); // Initial simplex.
}
final String fieldSep = " ";
// 1 line per simplex point.
final List<PointValuePair> points = simplex.asList();
// Repeat first point on output (for plotting).
points.add(points.get(0));
for (PointValuePair p : points) {
out.print(numEval + fieldSep +
p.getValue() + fieldSep);
final double[] coord = p.getPoint();
for (int i = 0; i < coord.length; i++) {
out.print(coord[i] + fieldSep);
}
out.println();
}
// Blank line between simplexes.
out.println();
} catch (IOException e) {
Assertions.fail(e.getMessage());
}
};
}
/** /**
* Asserts that the lowest function value (along a line starting at * Asserts that the lowest function value (along a line starting at
* {@link #start} is reached at the {@link #optimum}. * {@link #start} is reached at the {@link #optimum}.
@ -305,9 +387,6 @@ public class SimplexOptimizerTest {
/** /**
* Generates a string suitable as a file name. * Generates a string suitable as a file name.
* <p>
* Brackets are removed; space, slash, "=" sign and comma
* characters are converted to underscores.
* *
* @param f Function. * @param f Function.
* @param start Start point. * @param start Start point.
@ -319,17 +398,33 @@ public class SimplexOptimizerTest {
double[] end) { double[] end) {
final String s = f.toString() + "__" + final String s = f.toString() + "__" +
Arrays.toString(start) + "__" + Arrays.toString(start) + "__" +
Arrays.toString(end) + ".dat"; Arrays.toString(end);
return sanitizeBasename(s) + ".dat";
}
/**
* Generates a string suitable as a file name:
* Brackets and parentheses are removed; space, slash, "=" sign and
* comma characters are converted to underscores.
*
* @param str String.
* @return a string.
*/
private static String sanitizeBasename(String str) {
final String repl = "_"; final String repl = "_";
return s return str
.replaceAll("\\(", "")
.replaceAll("\\)", "")
.replaceAll("\\[", "") .replaceAll("\\[", "")
.replaceAll("\\]", "") .replaceAll("\\]", "")
.replaceAll("=", repl) .replaceAll("=", repl)
.replaceAll(",\\s+", repl) .replaceAll(",\\s+", repl)
.replaceAll(",", repl) .replaceAll(",", repl)
.replaceAll("\\s", repl) .replaceAll("\\s", repl)
.replaceAll("/", repl); .replaceAll("/", repl)
.replaceAll("^_+", "")
.replaceAll("_+$", "");
} }
} }
@ -353,6 +448,7 @@ public class SimplexOptimizerTest {
final double sideLength = a.getDouble(index++); final double sideLength = a.getDouble(index++);
final double jitter = a.getDouble(index++); final double jitter = a.getDouble(index++);
final boolean withSA = a.getBoolean(index++); final boolean withSA = a.getBoolean(index++);
final String tracePrefix = a.getString(index++);
return new Task(funcGen.withDimension(dim), return new Task(funcGen.withDimension(dim),
start, start,
@ -361,7 +457,8 @@ public class SimplexOptimizerTest {
funcEval, funcEval,
sideLength, sideLength,
jitter, jitter,
withSA); withSA,
tracePrefix);
} }
/** /**

50
commons-math-legacy/src/test/resources/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/std_test_func.simplex.hedar_fukushima.csv
View File

@ -26,30 +26,32 @@
# 6: length of the sides of the initial simplex # 6: length of the sides of the initial simplex
# 7: size of the random noise (to generate slightly different initial conditions) # 7: size of the random noise (to generate slightly different initial conditions)
# 8: whether to perform simulated annealing # 8: whether to perform simulated annealing
# 9: File prefix for debugging (or empty slot for no debugging)
# #
# Caveat: Some tests are commented out (cf. JIRA: MATH-1552). # Caveat: Some tests are commented out (cf. JIRA: MATH-1552).
# #
PARABOLA, 4, 2.5 3.1 4.6 5.8, 0 0 0 0, 1e-4, 820, 3, 2e-1, true PARABOLA, 2, 4.6 5.8, 0 0, 1e-4, 820, 1, 2e-1, true,
ROSENBROCK, 2, -1.2 1, 1 1, 1e-4, 380, 3, 1e-1, true PARABOLA, 4, 2.5 3.1 4.6 5.8, 0 0 0 0, 1e-4, 820, 1, 2e-1, true,
ROSENBROCK, 5, -4.4 -3.5 -2.6 -1.7 -0.8, 1 1 1 1 1, 1e-4, 3800, 5e-1, 1e-1, true ROSENBROCK, 2, -1.2 1, 1 1, 1e-4, 380, 1, 1e-1, true,
ROSENBROCK, 10, -0.1 0.1 0.2 -0.1 -0.2 0.3 0.2 -0.1 0.2 -0.3, 1 1 1 1 1 1 1 1 1 1, 5e-5, 38000, 3, 5e-2, true ROSENBROCK, 5, -4.4 -3.5 -2.6 -1.7 -0.8, 1 1 1 1 1, 1e-4, 3800, 5e-1, 1e-1, true,
POWELL, 4, 3 -1 -2 1, 0 0 0 0, 5e-3, 1100, 3, 1e-1, true ROSENBROCK, 10, -0.1 0.1 0.2 -0.1 -0.2 0.3 0.2 -0.1 0.2 -0.3, 1 1 1 1 1 1 1 1 1 1, 5e-5, 38000, 3, 5e-2, true,
CIGAR, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-5, 75000, 3, 1e-1, true POWELL, 4, 3 -1 -2 1, 0 0 0 0, 5e-3, 1100, 3, 1e-1, true,
SPHERE, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-4, 47000, 3, 1e-1, true CIGAR, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-5, 75000, 3, 1e-1, true,
ELLI, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 25000, 3, 1e-1, true SPHERE, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-4, 47000, 3, 1e-1, true,
#TWO_AXES, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 1000, 3, 1e-1, true ELLI, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 25000, 3, 1e-1, true,
#CIG_TAB, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 1000, 3, 1e-1, true #TWO_AXES, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 1000, 3, 1e-1, true,
TABLET, 11, 2 3 4 -3 -2 -1 2 3 4 3 -1, 0 0 0 0 0 0 0 0 0 0 0, 2e-4, 41000, 3, 1e-1, true #CIG_TAB, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 1000, 3, 1e-1, true,
#DIFF_POW, 7, 1 -1 1 -1 1 -1 1, 0 0 0 0 0 0 0, 1e-2, 2500, 3, 1e-1, true TABLET, 11, 2 3 4 -3 -2 -1 2 3 4 3 -1, 0 0 0 0 0 0 0 0 0 0 0, 2e-4, 41000, 3, 1e-1, true,
SS_DIFF_POW, 6, -3.2 2.1 1.2 -2.3 3.2 -2.1, 0 0 0 0 0 0, 1e-3, 10500, 3, 1e-1, true #DIFF_POW, 7, 1 -1 1 -1 1 -1 1, 0 0 0 0 0 0 0, 1e-2, 2500, 3, 1e-1, true,
#ACKLEY, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 1100, 3, 5e-1, true SS_DIFF_POW, 6, -3.2 2.1 1.2 -2.3 3.2 -2.1, 0 0 0 0 0 0, 1e-3, 10500, 3, 1e-1, true,
#RASTRIGIN, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 10000, 3, 5e-1, true #ACKLEY, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 1100, 3, 5e-1, true,
#GRIEWANK, 3, -210 123 -456, 0 0 0, 1e-1, 1000, 50, 100, true #RASTRIGIN, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 10000, 3, 5e-1, true,
#LEVY, 4, 4 -6 -2 8, 1 1 1 1, 1e-3, 3000, 1, 1, true #GRIEWANK, 3, -210 123 -456, 0 0 0, 1e-1, 1000, 50, 100, true,
#SCHWEFEL, 2, 100 -200, 420.9687 420.9687, 1, 300, 100, 100, true #LEVY, 4, 4 -6 -2 8, 1 1 1 1, 1e-3, 3000, 1, 1, true,
ZAKHAROV, 5, -4 -2 3 5 7, 0 0 0 0 0, 1e-4, 2200, 1.5, 1, true #SCHWEFEL, 2, 100 -200, 420.9687 420.9687, 1, 300, 100, 100, true,
PERM, 2, -2 -1, 1 2, 2e-3, 210, 5e-1, 1e-1, true ZAKHAROV, 5, -4 -2 3 5 7, 0 0 0 0 0, 1e-4, 2200, 1.5, 1, true,
#PERM, 3, -2 -3 -1, 1 2 3, 5e-5, 200, 5e-1, 1e-1, true PERM, 2, -2 -1, 1 2, 2e-3, 210, 5e-1, 1e-1, true,
#PERM, 4, -2 -3 -4 -1, 1 2 3 4, 5e-4, 2200, 5e-1, 1e-1, true #PERM, 3, -2 -3 -1, 1 2 3, 5e-5, 200, 5e-1, 1e-1, true,
#PERM, 5, -2 -3 -4 -5 -1, 1 2 3 4 5, 5e-4, 200, 5e-1, 1e-1, true #PERM, 4, -2 -3 -4 -1, 1 2 3 4, 5e-4, 2200, 5e-1, 1e-1, true,
#STYBLINSKI_TANG, 4, 1 2 3 4, -2.903534 -2.903534 -2.903534 -2.903534, 1e-4, 500, 1, 5e-1, true #PERM, 5, -2 -3 -4 -5 -1, 1 2 3 4 5, 5e-4, 200, 5e-1, 1e-1, true,
#STYBLINSKI_TANG, 4, 1 2 3 4, -2.903534 -2.903534 -2.903534 -2.903534, 1e-4, 500, 1, 5e-1, true,

Can't render this file because it contains an unexpected character in line 6 and column 8.

49
commons-math-legacy/src/test/resources/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/std_test_func.simplex.multidirectional.csv
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@ -26,30 +26,31 @@
# 6: length of the sides of the initial simplex # 6: length of the sides of the initial simplex
# 7: size of the random noise (to generate slightly different initial conditions) # 7: size of the random noise (to generate slightly different initial conditions)
# 8: whether to perform simulated annealing # 8: whether to perform simulated annealing
# 9: File prefix for debugging (or empty slot for no debugging)
# #
# Caveat: Some tests are commented out (cf. JIRA: MATH-1552). # Caveat: Some tests are commented out (cf. JIRA: MATH-1552).
# #
PARABOLA, 4, 2.5 3.1 4.6 5.8, 0 0 0 0, 1e-4, 380, 1, 2e-1, false PARABOLA, 4, 2.5 3.1 4.6 5.8, 0 0 0 0, 1e-4, 380, 1, 2e-1, false,
ROSENBROCK, 2, -1.2 1, 1 1, 2e-3, 11100, 1, 1e-1, false ROSENBROCK, 2, -1.2 1, 1 1, 2e-3, 11100, 1, 1e-1, false,
#ROSENBROCK, 5, -4.4 -3.5 -2.6 -1.7 -0.8, 1 1 1 1 1, 1e-4, 180, 5e-1, 1e-1, false #ROSENBROCK, 5, -4.4 -3.5 -2.6 -1.7 -0.8, 1 1 1 1 1, 1e-4, 180, 5e-1, 1e-1, false,
ROSENBROCK, 10, -0.1 0.1 0.2 -0.1 -0.2 0.3 0.2 -0.1 0.2 -0.3, 1 1 1 1 1 1 1 1 1 1, 3e-3, 100000, 1, 5e-2, false ROSENBROCK, 10, -0.1 0.1 0.2 -0.1 -0.2 0.3 0.2 -0.1 0.2 -0.3, 1 1 1 1 1 1 1 1 1 1, 3e-3, 100000, 1, 5e-2, false,
#POWELL, 4, 3 -1 -2 1, 0 0 0 0, 5e-3, 420, 1, 1e-1, false #POWELL, 4, 3 -1 -2 1, 0 0 0 0, 5e-3, 420, 1, 1e-1, false,
CIGAR, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-6, 7000, 1, 1e-1, false CIGAR, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-6, 7000, 1, 1e-1, false,
SPHERE, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-5, 3600, 1, 1e-1, false SPHERE, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-5, 3600, 1, 1e-1, false,
ELLI, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 50000, 1, 1e-1, false ELLI, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 50000, 1, 1e-1, false,
TWO_AXES, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-6, 3200, 1, 1e-1, false TWO_AXES, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-6, 3200, 1, 1e-1, false,
CIG_TAB, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 5e-6, 2900, 1, 1e-1, false CIG_TAB, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 5e-6, 2900, 1, 1e-1, false,
TABLET, 11, 2 3 4 -3 -2 -1 2 3 4 3 -1, 0 0 0 0 0 0 0 0 0 0 0, 5e-6, 3200, 1, 1e-1, false TABLET, 11, 2 3 4 -3 -2 -1 2 3 4 3 -1, 0 0 0 0 0 0 0 0 0 0 0, 5e-6, 3200, 1, 1e-1, false,
DIFF_POW, 7, 1 -1 1 -1 1 -1 1, 0 0 0 0 0 0 0, 5e-4, 2500, 1, 1e-1, false DIFF_POW, 7, 1 -1 1 -1 1 -1 1, 0 0 0 0 0 0 0, 5e-4, 2500, 1, 1e-1, false,
SS_DIFF_POW, 6, -3.2 2.1 1.2 -2.3 3.2 -2.1, 0 0 0 0 0 0, 1e-3, 4000, 1, 1e-1, false SS_DIFF_POW, 6, -3.2 2.1 1.2 -2.3 3.2 -2.1, 0 0 0 0 0 0, 1e-3, 4000, 1, 1e-1, false,
ACKLEY, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 770, 1, 5e-1, false ACKLEY, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 770, 1, 5e-1, false,
#RASTRIGIN, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 10000, 1, 5e-1, false #RASTRIGIN, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 10000, 1, 5e-1, false,
#GRIEWANK, 3, -210 123 -456, 0 0 0, 1e-1, 1000, 50, 100, false #GRIEWANK, 3, -210 123 -456, 0 0 0, 1e-1, 1000, 50, 100, false,
#LEVY, 4, 4 -6 -2 8, 1 1 1 1, 1e-3, 3000, 1, 1, false #LEVY, 4, 4 -6 -2 8, 1 1 1 1, 1e-3, 3000, 1, 1, false,
#SCHWEFEL, 2, 100 -200, 420.9687 420.9687, 1, 300, 100, 100, false #SCHWEFEL, 2, 100 -200, 420.9687 420.9687, 1, 300, 100, 100, false,
ZAKHAROV, 5, -4 -2 3 5 7, 0 0 0 0 0, 1e-4, 3100, 1.5, 1, false ZAKHAROV, 5, -4 -2 3 5 7, 0 0 0 0 0, 1e-4, 3100, 1.5, 1, false,
PERM, 2, -2 -1, 1 2, 3e-2, 25000, 5e-1, 1e-1, false PERM, 2, -2 -1, 1 2, 3e-2, 25000, 5e-1, 1e-1, false,
#PERM, 3, -2 -3 -1, 1 2 3, 5e-5, 200, 5e-1, 1e-1, false #PERM, 3, -2 -3 -1, 1 2 3, 5e-5, 200, 5e-1, 1e-1, false,
#PERM, 4, -2 -3 -4 -1, 1 2 3 4, 5e-4, 2200, 5e-1, 1e-1, false #PERM, 4, -2 -3 -4 -1, 1 2 3 4, 5e-4, 2200, 5e-1, 1e-1, false,
#PERM, 5, -2 -3 -4 -5 -1, 1 2 3 4 5, 5e-4, 200, 5e-1, 1e-1, false #PERM, 5, -2 -3 -4 -5 -1, 1 2 3 4 5, 5e-4, 200, 5e-1, 1e-1, false,
#STYBLINSKI_TANG, 4, 1 2 3 4, -2.903534 -2.903534 -2.903534 -2.903534, 1e-4, 500, 1, 5e-1, false #STYBLINSKI_TANG, 4, 1 2 3 4, -2.903534 -2.903534 -2.903534 -2.903534, 1e-4, 500, 1, 5e-1, false,

Can't render this file because it contains an unexpected character in line 6 and column 8.

49
commons-math-legacy/src/test/resources/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/std_test_func.simplex.nelder_mead.csv
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@ -26,30 +26,31 @@
# 6: length of the sides of the initial simplex # 6: length of the sides of the initial simplex
# 7: size of the random noise (to generate slightly different initial conditions) # 7: size of the random noise (to generate slightly different initial conditions)
# 8: whether to perform simulated annealing # 8: whether to perform simulated annealing
# 9: File prefix for debugging (or empty slot for no debugging)
# #
# Caveat: Some tests are commented out (cf. JIRA: MATH-1552). # Caveat: Some tests are commented out (cf. JIRA: MATH-1552).
# #
PARABOLA, 4, 2.5 3.1 4.6 5.8, 0 0 0 0, 1e-4, 200, 1, 2e-1, false PARABOLA, 4, 2.5 3.1 4.6 5.8, 0 0 0 0, 1e-4, 200, 1, 2e-1, false,
ROSENBROCK, 2, -1.2 1, 1 1, 1e-4, 180, 1, 1e-1, false ROSENBROCK, 2, -1.2 1, 1 1, 1e-4, 180, 1, 1e-1, false,
ROSENBROCK, 5, -4.4 -3.5 -2.6 -1.7 -0.8, 1 1 1 1 1, 1e-4, 800, 5e-1, 1e-1, false ROSENBROCK, 5, -4.4 -3.5 -2.6 -1.7 -0.8, 1 1 1 1 1, 1e-4, 800, 5e-1, 1e-1, false,
ROSENBROCK, 10, -0.1 0.1 0.2 -0.1 -0.2 0.3 0.2 -0.1 0.2 -0.3, 1 1 1 1 1 1 1 1 1 1, 5e-5, 9000, 1, 5e-2, false ROSENBROCK, 10, -0.1 0.1 0.2 -0.1 -0.2 0.3 0.2 -0.1 0.2 -0.3, 1 1 1 1 1 1 1 1 1 1, 5e-5, 9000, 1, 5e-2, false,
POWELL, 4, 3 -1 -2 1, 0 0 0 0, 5e-3, 420, 1, 1e-1, false POWELL, 4, 3 -1 -2 1, 0 0 0 0, 5e-3, 420, 1, 1e-1, false,
CIGAR, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-5, 7000, 1, 1e-1, false CIGAR, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-5, 7000, 1, 1e-1, false,
SPHERE, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-4, 3000, 1, 1e-1, false SPHERE, 13, -1.2 2.3 -3.2 2.1 1.2 -2.3 3.2 -2.1 -1.2 2.3 -3.2 2.1 -1.2, 0 0 0 0 0 0 0 0 0 0 0 0 0, 5e-4, 3000, 1, 1e-1, false,
ELLI, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 50000, 1, 1e-1, false ELLI, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 50000, 1, 1e-1, false,
#TWO_AXES, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 5000, 1, 1e-1, false #TWO_AXES, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 5000, 1, 1e-1, false,
#CIG_TAB, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 7000, 1, 1e-1, false #CIG_TAB, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 7000, 1, 1e-1, false,
TABLET, 11, 2 3 4 -3 -2 -1 2 3 4 3 -1, 0 0 0 0 0 0 0 0 0 0 0, 2e-4, 3600, 1, 1e-1, false TABLET, 11, 2 3 4 -3 -2 -1 2 3 4 3 -1, 0 0 0 0 0 0 0 0 0 0 0, 2e-4, 3600, 1, 1e-1, false,
#DIFF_POW, 7, 1 -1 1 -1 1 -1 1, 0 0 0 0 0 0 0, 5e-4, 2500, 1, 1e-1, false #DIFF_POW, 7, 1 -1 1 -1 1 -1 1, 0 0 0 0 0 0 0, 5e-4, 2500, 1, 1e-1, false,
SS_DIFF_POW, 6, -3.2 2.1 1.2 -2.3 3.2 -2.1, 0 0 0 0 0 0, 1e-3, 4000, 1, 1e-1, false SS_DIFF_POW, 6, -3.2 2.1 1.2 -2.3 3.2 -2.1, 0 0 0 0 0 0, 1e-3, 4000, 1, 1e-1, false,
ACKLEY, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 430, 1, 5e-1, false ACKLEY, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 430, 1, 5e-1, false,
#RASTRIGIN, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 10000, 1, 5e-1, false #RASTRIGIN, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 10000, 1, 5e-1, false,
#GRIEWANK, 3, -210 123 -456, 0 0 0, 1e-1, 1000, 50, 100, false #GRIEWANK, 3, -210 123 -456, 0 0 0, 1e-1, 1000, 50, 100, false,
#LEVY, 4, 4 -6 -2 8, 1 1 1 1, 1e-3, 3000, 1, 1, false #LEVY, 4, 4 -6 -2 8, 1 1 1 1, 1e-3, 3000, 1, 1, false,
#SCHWEFEL, 2, 100 -200, 420.9687 420.9687, 1, 300, 100, 100, false #SCHWEFEL, 2, 100 -200, 420.9687 420.9687, 1, 300, 100, 100, false,
ZAKHAROV, 5, -4 -2 3 5 7, 0 0 0 0 0, 5e-5, 500, 1.5, 1, false ZAKHAROV, 5, -4 -2 3 5 7, 0 0 0 0 0, 5e-5, 500, 1.5, 1, false,
PERM, 2, -2 -1, 1 2, 5e-5, 200, 5e-1, 1e-1, false PERM, 2, -2 -1, 1 2, 5e-5, 200, 5e-1, 1e-1, false,
#PERM, 3, -2 -3 -1, 1 2 3, 5e-5, 200, 5e-1, 1e-1, false #PERM, 3, -2 -3 -1, 1 2 3, 5e-5, 200, 5e-1, 1e-1, false,
PERM, 4, -2 -3 -4 -1, 1 2 3 4, 5e-3, 2800, 5e-1, 1e-1, false PERM, 4, -2 -3 -4 -1, 1 2 3 4, 5e-3, 2800, 5e-1, 1e-1, false,
#PERM, 5, -2 -3 -4 -5 -1, 1 2 3 4 5, 5e-4, 200, 5e-1, 1e-1, false #PERM, 5, -2 -3 -4 -5 -1, 1 2 3 4 5, 5e-4, 200, 5e-1, 1e-1, false,
#STYBLINSKI_TANG, 4, 1 2 3 4, -2.903534 -2.903534 -2.903534 -2.903534, 1e-4, 500, 1, 5e-1, false #STYBLINSKI_TANG, 4, 1 2 3 4, -2.903534 -2.903534 -2.903534 -2.903534, 1e-4, 500, 1, 5e-1, false,

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