Skip to main content

Table 9 Comparative studies of the results of proposed methodologies for Problem III

From: Bio-inspired computational heuristics to study Lane–Emden systems arising in astrophysics model

X

Exact

Reported solution

Proposed approximate solution \(\hat{y}({\text{x}})\)

y(x)

Analytical results

ChNN (Mall and Chakraverty 2014)

SQP

PS

GA

PS-SQP

GA-SQP

0

1.000

1.000

1.000

1.000

1.0013

1.0003

1.000

1.000

0.1

0.998

0.998

0.998

0.99835

1.001

0.9987

0.9983

0.99834

0.2

0.993

0.993

0.994

0.99342

0.9964

0.994

0.9935

0.99341

0.3

0.985

0.985

0.990

0.98535

0.9878

0.9861

0.9854

0.98534

0.4

0.973

0.974

0.971

0.97437

0.977

0.9751

0.9744

0.97436

0.5

0.958

0.961

0.968

0.96078

0.9635

0.9615

0.9608

0.96077

0.6

0.940

0.945

0.941

0.94492

0.9471

0.9455

0.9449

0.94492

0.7

0.918

0.927

0.930

0.92716

0.9289

0.9276

0.9271

0.92715

0.8

0.893

0.908

0.908

0.90785

0.9097

0.9082

0.9078

0.90785

0.9

0.865

0.887

0.883

0.88737

0.8888

0.8876

0.8873

0.88736

1

0.833

0.866

0.865

0.86603

0.8673

0.8662

0.866

0.86603