NEW POINTSOF VIEW ON THE NONLOCAL FIELD THEORY AND THEIR APPLICATIONS TO THE FRACTURE MECHANICS( Ⅲ) ——RE_DISCUSS THE LINEAR THEORY OF NONLOCAL ELASTICITY

Ｔｈｅｌｉｎｅａｒｔｈｅｏｒｙｏｆｎｏｎｌｏｃａｌｅｌａｓｔｉｃｉｔｙｈａｓｂｅｅｎａｐｐｌｉｅｄｔｏｓｏｍｅｐｒｏｂｌｅｍｓｓｕｃｈａｓｆｒａｃｔｕｒｅ,ｄｉｓｌｏｃａｔｉｏｎａｎｄｗａｖｅｐｒｏｐａｇａｔｉｏｎ［１］．Ｉｔｉｓｕｓｅｄｔｏｓｏｌｖｅｍａｎｙｐｒｏｂｌｅｍｓｗｈｉｃｈａｒｅｎｏｔｅｘｐｌａｉｎｅｄｂｙｔｈｅｃｌａｓｓｉｃａｌｍｅｃｈａｎｉｃｓ．Ｉｔｉｓｐｏｉｎｔｅｄｏｕｔｅａｒｌｉｅｒ［２］,ｈｏｗｅｖｅｒ,ｓｏｍｅｉｍｐｏｒｔａｎｔｎｏｎｌｏｃａｌｐｒｏｐｅｒｔｉｅｓｉｎｔｈ…     

NUMERICAL SOLUTION OF THE SINGULARLY PERTURBED PROBLEM WITH NONLOCAL BOUNDARY CONDITION

ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｉｓｐａｐｅｒｉｓｃｏｎｃｅｒｎｅｄｗｉｔｈｔｈｅｎｕｍｅｒｉｃａｌｓｏｌｕｔｉｏｎ ,ｂｙｆｉｎｉｔｅｄｉｆｆｅｒｅｎｃｅｍｅｔｈｏｄ ,ｏｆｔｈｅｆｏｌｌｏｗｉｎｇｓｉｎｇｕｌａｒｌｙｐｅｒｔｕｒｂｅｄｎｏｎｌｏｃａｌｂｏｕｎｄａｒｙｖａｌｕｅｐｒｏｂｌｅｍ :Ｌｕ≡-εｕ″ +ａ(ｘ)ｕ=ｆ(ｘ)　　 ( 0 <ｘ<ｌ) ,( 1 )Ｌ0 ｕ≡-εｕ′( 0 ) +γｕ( 0 ) =μ0 , ( 2 )Ｌ1ｕ≡ｕ(ｌ) -δｕ(ｄ) =μｌ　　 ( 0 <ｄ<ｌ) ,( 3 )ｗｈｅｒｅεｉｓａｓｍａｌｌｐｏｓｉｔｉｖｅｐａｒａｍｅｔｅｒ,…     

BLOW-UP OF THE SOLUTIONS FOR THE INITIAL-BOUNDARY PROBLEMS OF THE NONLINEAR SCHR?DINGER EQUATIONS

Ｔｈｅｒｅａｒｅｍａｎｙｄｏｃｕｍｅｎｔｓｔｈａｔｄｉｓｃｕｓｓｂｌｏｗ＿ｕｐｏｆｔｈｅｓｏｌｕｔｉｏｎｓｆｏｒｔｈｅｉｎｉｔｉａｌ＿ｂｏｕｎｄａｒｙｖｌｕｅｐｒｏｂｌｅｍｓｏｆｔｈｅｎｏｎｌｉｎｅａｒＳｃｈｒ ｄｉｎｇｅｒｅｑｕａｔｉｏｎｓ,ｓｕｃｈａｓｐａｐｅｒ [1 ] .Ｂｕｔｔｈｅｐａｐｅｒ [1 ]ｈａｓｏｎｅｗｅａｋｐｏｉｎｔ,ｔｈａｔｉｓ,ｉｔｃａｎｎｏｔｕｎｉｔｅｄｉｓｃｕｓｓｉｏｎｆｏｒｂｌｏｗ＿ｕｐｏｆｔｈｅｓｏｌｕｔｉｏｎｓｆｏｒｔｈｅｉｎｉｔｉａｌ＿ｂｏｕｎｄａｒｙｖａｌｕｅｐｒｏｂｌ…     

REMARKS ON THE PAPER“THE EXTINCTION BEHAVIOR OF THE SOLUTIONS FOR A CLASS OF REACTION -DIFFUSION EQUATIONS”

ＴｈｅｆｏｌｌｏｗｉｎｇＬｅｍｍａｓｔａｔｅｄ (ｉｎ :ＡｐｐｌｉｅｄＭａｔｈｅｍａｔｉｃｓａｎｄＭｅｃｈａｎｉｃｓ (ＥｎｇｌｉｓｈＥｄｉｔｉｏｎ) ,2 0 0 1 ,2 2 ( 1 1 ) :1 3 52 -1 3 56)ｗａｓａｐｐｌｉｅｄｔｏｄｅｓｃｒｉｂｅｔｈｅａｓｙｍｐｔｏｔｉｃｂｅｈａｖｉｏｒｓｏｆｓｏｌｕｔｉｏｎｓｏｆａｃｌａｓｓｏｆｒｅａｃｔｉｏｎ＿ｄｉｆｆｕｓｉｏｎｅｑｕａｔｉｏｎ .Ｏｎａｃｃｏｕｎｔｏｆｔｈｅｓｐｅｃｉａｌｐｒｏｐｅｒｔｙｏｆｔｈｅｓｕｐｅｒｓｏｌｕｔｉｏｎ(ｉ.ｅ .,ａｎｏｎｚｅｒｏｓｏｌｕｔｉｏｎ…     

ON THE STABILITY BOUNDARY OF HAMILTONIAN SYSTEMS

ＩｎｔｒｏｄｕｃｔｉｏｎＭａｎｙｍｅｃｈａｎｉｃａｌｓｙｓｔｅｍｓｃａｎｂｅｖｉｅｗｅｄａｓｌｉｎｅａｒＨａｍｉｌｔｏｎｉａｎｓｙｓｔｅｍｓ.Ｗｈｅｎｗｅｓｔｕｄｙｔｈｅｅｆｆｅｃｔｓｏｆｓｙｓｔｅｍｐａｒａｍｅｔｅｒｓｏｎｔｈｅｂｅｈａｖｉｏｒｏｆｔｈｅｓｙｓｔｅｍｓ,ｔｈｅｓｙｓｔｅｍｃａｎｂｅｒｅｇａｒｄｅｄａｓｔｈｅｓｙｓｔｅｍｄｅｐｅｎｄｉｎｇｏｎｐａｒａｍｅｔｅｒｓ.Ｖｅｒｙｉｍｐｏｒｔａｎｔｓｙｓｔｅｍｐａｒａｍｅｔｅｒｓ ,ｓｕｃｈａｓｃｒｉｔｉｃａｌｌｏａｄ ,ｃｒｉｔｉｃａｌａｎｇ…     

A SYMBOLIC COMPUTATION METHOD TO DECIDE THE COMPLETENESS OF THE SOLUTIONS TO THE SYSTEM OF LINEAR PARTIAL DIFFERENTIAL EQUATIONS

ＩｎｔｒｏｄｕｃｔｉｏｎＣｏｎｓｉｄｅｒｔｈｅｓｙｓｔｅｍｏｆｐａｒｔｉａｌｄｉｆｆｅｒｅｎｔｉａｌａｌｇｅｂｒａｉｃｅｑｕａｔｉｏｎｓ (ＰＤＡＥｓ) :Σ :　Ｐｉ(ｙ1,ｙ2 ,… ,ｙｎ) =0　　 (ｉ =1,2 ,… ,ｒ) ,ｗｈｅｒｅｔｈｅｃｏｅｆｆｉｃｉｅｎｔｓａｒｅｉｎｔｈｅｄｉｆｆｅｒｅｎｔｉａｌｆｉｅｌｄＫｗｉｔｈｃｈａｒａｃｔｅｒｉｓｔｉｃｚｅｒｏ .ＴｈｅｉｍｐｏｒｔａｎｔｑｕｅｓｔｉｏｎｉｓｈｏｗｔｏｓｏｌｖｅｔｈｉｓＰＤＡＥｓｉｎｔｈｅｔｈｅｏｒｙｏｆｐａｒｔｉａｌｄｉｆｆｅｒｅｎｔｉａｌｅｑｕａ…     

THE AXISYMMETRIC MIXED BOUNDARY-VALUE PROBLEM OF THE VERTICAL VIBRATION OF A RIGID FOUNDATIONON SATURATED LAYERED SOIL SUBGRADE

ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅｅｌａｓｔｉｃｈａｌｆ＿ｓｐａｃｅｔｈｅｏｒｙｏｆｆｏｕｎｄａｔｉｏｎｖｉｂｒａｔｉｏｎａｎｄｔｈｅｓｔｕｄｙｏｆｓｏｉｌ＿ｓｔｒｕｃｔｕｒｅｉｎｔｅｒａｃｔｉｏｎｐｒｏｂｌｅｍｈａｖｅｂｅｅｎｔｈｅｓｕｂｊｅｃｔｏｆｉｎｔｅｎｓｉｖｅｒｅｓｅａｒｃｈｉｎｔｈｅｃｉｖｉｌｅｎｇｉｎｅｅｒｉｎｇ .ＳｉｎｃｅＬｕｃｏｅｔａｌ.[1]ｓｕｍｍａｒｉｚｅｄｔｈｅｖｉｂｒａｔｉｏｎｏｆａｃｉｒｃｕｌａｒｒｉｇｉｄｆｏｕｎｄａｔｉｏｎｒｅｓｔｉｎｇｏｎａｎｅｌａｓｔｉｃｈａｌｆ＿ｓ…     

NUMERICAL ANALYSIS OF THE LARGE DEFLECTION OF AN ELASTIC-PLASTIC BEAM

ＩｎｔｒｏｄｕｃｔｉｏｎＷｉｔｈｔｈｅｄｅｖｅｌｏｐｍｅｎｔｏｆｎａｔｕｒａｌｓｃｉｅｎｃｅａｎｄｔｈｅｉｎｃｒｅａｓｉｎｇｒｅｑｕｉｒｅｍｅｎｔｉｎｔｅｃｈｎｏｌｏｇｙ,ｔｈｅｌａｒｇｅｄｅｆｌｅｃｔｉｏｎｎｏｎｌｉｎｅａｒｐｒｏｂｌｅｍｏｆｂａｒｓｉｓａｌｗａｙｓａｎｉｍｐｏｒｔａｎｔｒｅｓｅａｒｃｈｉｎｅｎｇｉｎｅｅｒｉｎｇａｐｐｌｉｃａｔｉｏｎｆｉｅｌｄ.Ｉｎｔｈｅ1960ｓ,ｔｈｅｒｅｓｅａｒｃｈｓｃｏｐｅｗａｓｏｎｌｙｌｉｍｉｔｅｄｔｏＥｕｌｅｒ’ｓＥｌａｓｔｉｃａｔｈｅｏｒｙ,ｗｈｉｃｈｗ…     

ON THE CONTINUITY AND DIFFERENTIABILITY OF AKIND OF FRACTAL INTERPOLATION FUNCTION

ＩｎｔｒｏｄｕｃｔｉｏｎＦｒａｃｔａｌｉｎｔｅｒｐｏｌａｔｉｏｎｍｅｔｈｏｄｉｓｎｕｍｅｒｉｃａｌｍｅｔｈｏｄｉｎｔｈｅｆｒａｃｔａｌｇｅｏｍｅｔｒｙｕｓｉｎｇｉｔｅｒａｔｅｄｆｕｎｃｔｉｏｎｓｙｓｔｅｍ (ＩＦＳ) ,ｉｔｉｓｄｉｆｆｅｒｅｎｔｆｒｏｍｔｒａｄｉｔｉｏｎａｌｉｎｔｅｒｐｏｌａｔｉｏｎｍｅｔｈｏｄ .Ｍ .Ｆ .Ｂａｒｎｓｅｌｙ[1,2 ]ｆｉｒｓｔｇａｖｅｔｈｉｓｍｅｔｈｏｄａｎｄｒｅｓｅａｒｃｈｅｄｔｈｅｃｏｎｔｉｎｕｉｔｙａｎｄｔｈｅｆｒａｃｔａｌｄｉｍｅｎｓｉｏｎｏｆｉｎｔｅｒｐｏｌａｔ…     

THE PROPERTY OF NONWANDERING OPERATOR

ＴＨＥＰＲＯＰＥＲＴＹＯＦＮＯＮＷＡＮＤＥＲＩＮＧＯＰＥＲＡＴＯＲＴｉａｎＬｉｘｉｎ（田立新）；ＬｕＤｉａｎｃｈｅｎ（卢殿臣）（ＤｅｐａｒｔｍｅｎｔｏｆＭａｔｈｅｍａｔｉｃｓａｎｄＰｈｏｎｉｃｓ，ＪｉａｎｇｓｕＵｎｉｖｅｒｓｉｔｙｏｆＳｃｉｅｎｃｅａ...     

ON THE UNIFORM BOUNDEDNESS OF SOLUTIONS OF SOME NON-AUTONOMOUS DIFFERENTIAL EQUATIONS OF THE FOURTH ORDER

ＩｎｔｒｏｄｕｃｔｉｏｎＩｎｔｈｉｓｗｏｒｋ，ｗｅｓｔｕｄｙｔｈｅｐｒｏｂｌｅｍｓｏｆｔｈｅｂｏｕｎｄｅｄｎｅｓａｎｄｕｎｉｆｏｒｍｂｏｕｎｄｅｄｎｅｓｏｆｓｏｌｕｔｉｏｎｓｏｆｎｏｎ＿ａｕｔｏｎｏｍｏｕｓｄｉｆｅｒｅｎｔｉａｌｅｑｕａｔｉｏｎｓｏｆ...     

APPLICATION OF THE MODIFIED METHOD OF MULTIPLE SCALES TO THE BENDING PROBLEMS FOR CIRCULAR THIN PLATE AT VERY LARGE DEFLECTION AND THE ASYMPTOTICS OF SOLUTIONS(Ⅱ)

ＩｎｔｒｏｄｕｃｔｉｏｎＩｎ［１］，ｔｈｅｓｅｒｉｅｓｓｏｌｕｔｉｏｎｓｏｆｔｈｅｃｉｒｃｕｌａｒｐｌａｔｅｗｉｔｈｈｉｎｇｅｄｅｄｇｅａｎｄｗｉｔｈｔｈｅｓｉｍｐｌｙｓｕｐｐｏｒｔｅｄｅｄｇｅｈａｓｙｅｔｂｅｎｃｏｎｓｔｒｕｃｔｅｄ，ｗｈｉｃｈａ...     

RESEARCH OF REGULARITY OF THROWING MOVEMENT FOR SOLID PARTICLE ON THE SHAKER''''S SCREEN

ＩｎｔｒｏｄｕｃｔｉｏｎＩｎｏｒｄｅｒｔｏａｄｊｕｓｔｔｈｅｃｏｎｔｒｏｌｐａｒａｍｅｔｅｒｓｏｆｐｌａｎｅｉｎｅｒｔｉａｌｓｈａｋｅｒ,ｏｐｔｉｍｉｚｅｔｈｅｃｏｎｓｔｒｕｃｔｉｏｎｄｅｓｉｇｎｏｆｓｈａｋｅｒａｎｄｉｎｃｒｅａｓｅｅｆｆｉｃｉｅｎｃｙｏｆｓｉｅｖｉｎｇ ,ｉｔｉｓｎｅｃｅｓｓａｒｙｔｏｒｅｓｅａｒｃｈｔｈｅｍｏｖｅｍｅｎｔｒｅｇｕｌａｒｉｔｙｏｆｓｏｌｉｄｐａｒｔｉｃｌｅｏｎｔｈｅｄｒｉｌｌｉｎｇｆｌｕｉｄｌｉｎｅｓｈａｋｅｒｓｃｒｅｅｎ .Ｏｗｉｎｇｔｏｔｈｅｄｉｆｆｅｒｅｎｔ…     

THE CONSERVATION LAW OF NONHOLONOMIC SYSTEM OF SECOND-ORDER NON-CHETAVE''''S TYPE IN EVENT SPACE

ＩｎｔｒｏｄｕｃｔｉｏｎＣｏｎｓｅｒｖａｔｉｏｎｌａｗｏｆｍｅｃｈａｎｉｃａｌｓｙｓｔｅｍｎｏｔｏｎｌｙｈａｓｉｍｐｏｒｔａｎｃｅｉｎｍａｔｈｅｍａｔｉｃｓｂｕｔａｌｓｏｒｅｖｅａｌｓｐｒｏｆｏｕｎｄｐｈｙｓｉｃａｌｌａｗ .Ｉｎ 1 91 8,ｂａｓｅｄｏｎｉｎｖａｒｉａｎｃｅｏｆＨａｍｉｌｔｏｎ’ｓｐｒｉｎｃｉｐｌｅｕｎｄｅｒｉｎｆｉｎｉｔｅｓｉｍａｌｔｒａｎｓｆｏｒｍａｔｉｏｎ ,ｔｈｅｃｏｎｓｅｒｖａｔｉｏｎｌａｗｏｆｍｅｃｈａｎｉｃｓｓｙｓｔｅｍｗａｓｓｔｕｄｉｅｄｂｙＧｅｒｍａｎｓｃｉｅｎｔｉｓ…     

RESEARCH OF THE PERIODIC MOTION AND STABILITY OF TWO-DEGREE-OF-FREEDOM NONLINEAR OSCILLATING SYSTEMS

ＩｎｔｒｏｄｕｃｔｉｏｎＩｎｔｈｅｓｙｓｔｅｍｏｆｎｏｎｌｉｎｅａｒｏｓｃｉｌｌａｔｉｎｇ ,ｐｅｒｉｏｄｉｃｍｏｔｉｏｎｉｓｏｆｐｒｉｍｅｉｍｐｏｒｔａｎｃｅ .Ｂｕｔｅｘｉｓｔｅｎｃｅｏｆｐｅｒｉｏｄｉｃｓｏｌｕｔｉｏｎｓｉｓａｖｅｒｙｄｉｆｆｉｃｕｌｔｑｕｅｓｔｉｏｎ .Ｌｕｃｋｉｌｙｔｈｅｒｅｅｘｉｓｔｓｏｍｅｋｉｎｄｓｏｆｐｅｒｉｏｄｉｃｓｏｌｕｔｉｏｎｉｎａｃｔｕａｌｐｈｙｓｉｃａｌｓｙｓｔｅｍｓ .Ｔｈｅｒｅｆｏｒｅ ,ｗｅｕｓｕａｌｌｙｃｏｎｃｅｎｔｒａｔｅｄｏｕｒａｔｔｅｎｔｉｏｎｏｎｔ…     

PROCEDURE FOR COMPUTING THE POSSIBILITY AND FUZZY PROBABILITY OF FAILURE OF STRUCTURES

ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅｉｎｉｔｉａｔｉｏｎｏｆｒｅｌｉａｂｉｌｉｔｙｔｅｃｈｎｉｑｕｅｓｗａｓｄｕｅｔｏｔｈｅｅｘｉｓｔｅｎｃｅｏｆｌａｒｇｅａｍｏｕｎｔｏｆｕｎｃｅｒｔａｉｎｔｉｅｓｉｎｅｎｇｉｎｅｅｒｉｎｇ .Ａｃｃｏｒｄｉｎｇｔｏｔｈｅｄｉｆｆｅｒｅｎｃｅｓｉｎｔｈｅｐｒｏｄｕｃｅｄｃａｕｓｅａｎｄｐｈｙｓｉｃａｌｍｅａｎｉｎｇ,ｕｎｃｅｒｔａｉｎｔｉｅｓｍａｙｂｅｄｉｖｉｄｅｄｇｅｎｅｒａｌｌｙｉｎｔｏｔｈｒｅｅｔｙｐｅｓ:ｒａｎｄｏｍｎｅｓｓ,ｆｕｚｚｉｎｅｓｓａｎｄｕｎａｓｃｅｒ…     

THE SOLUTION OF WEAK FORMULATION FOR AXISYMMETRIC PROBLEM OF ORTHOTROPIC CANTILEVER CYLINDRICAL SHELL

ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅｒｍａｌｓｔｒｅｓｅｓｏｆｉｓｏｔｒｏｐｉｃａｎｄｏｒｔｈｏｔｒｏｐｉｃｃｙｌｉｎｄｒｉｃａｌｓｈｅｌｈａｖｅｂｅｎｓｔｕｄｉｅｄｉｎｒｅｆｅｒｅｎｃｅｓ［１～３］ｂｙｕｓｉｎｇｔｈｒｅ＿ｄｉｍｅｎｓｉｏｎａｌｅｌａｓｔ...     

STUDY OF THE NONLINEAR THREE-DIMENSIONAL DEBYE SCREENING IN PLASMAS

Ａｆｕｎｄａｍｅｎｔａｌｃｈａｒａｃｔｅｒｉｓｔｉｃｏｆｐｌａｓｍａｓｉｓｔｈｅｉｒ,ａｂｉｌｉｔｙｔｏｓｍｅａｒｏｕｔｅｌｅｃｔｒｉｃｆｉｅｌｄｓ.ＴｈｉｓｉｓａｔｙｐｉｃａｌｎｏｎｌｉｎｅａｒｐｒｏｂｌｅｍｏｆｓｏｌｖｉｎｇｔｈｅＰｏｉｓｓｏｎｅｑｕａｔｉｏｎ.Ｔｈｅｐｒｅｖｉｏｕｓｓｔｕｄｙｏｆｔｈｅｎｏｎｌｉｎｅａｒｐｒｏｂｌｅｍｉｓｕｓｕａｌｌｙｂａｓｅｄｏｎａｌｉｎｅａｒｉｚｅｄｍｅｔｈｏｄｗｈｅｎｔｈｅｐｏｔｅｎｔｉａｌｅｎｅｒｇｙｏｆｔｈｅｐａｒｔｉｃｌｅｓｉｓｍｕｃｈｓｍａｌｌｅ…     

NONLINEAR SATURATION OF BAROCLINIC INSTABILITY IN THE GENERALIZED PHILLIPS MODEL (Ⅰ) -THE UPPER BOUND ON THE EVOLUTION OF DISTURBANCE TO THE NONLINEARLY UNSTABLE BASIC FLOW

ＩｎｔｒｏｄｕｃｔｉｏｎＥｖｅｒｓｉｎｃｅＳｈｅｐｈｅｒｄｈａｓｓｕｇｇｅｓｔｅｄａｎｏｖｅｌｍｅｔｈｏｄｔｏｓｔｕｄｙｎｏｎｌｉｎｅａｒｓａｔｕｒａｔｉｏｎｏｆｂａｒｏｔｒｏｐｉｃａｎｄｂａｒｏｃｌｉｎｉｃｉｎｓｔａｂｉｌｉｔｙ[1- 3],ｍａｎｙａｕｔｈｏｒｓｈａｖｅｍａｄｅｆｕｒｔｈｅｒｒｅｓｅａｒｃｈｏｎｔｈｅｐｒｏｂｌｅｍ .Ｓｈｅｐｈｅｒｄ’ｓｍｅｔｈｏｄｉｓａｓｆｏｌｌｏｗｓ:Ｆｉｒｓｔ,ｃｈｏｏｓｅａｃｌａｓｓｏｆｓｔａｂｌｅｂａｓｉｃｆｌｏｗｓ;ｔｈｅｎ ,ｄｅｃｏｍｐｏｓｅｔｈｅｄｉｓｔ…     

STUDY FOR THE BIFURCATION TOPOLOGICAL STRUCTURE AND THE GLOBAL COMPLICATED CHARACTER OF A KIND OF NONLINEAR FINANCE SYSTEM(Ⅰ)

ＩｎｔｒｏｄｕｃｔｉｏｎＣｈａｏｔｉｃｉｓｔｈｅｉｎｈｅｒｅｎｔｒａｎｄｏｍｎｅｓｓｉｎｔｈｅｄｅｆｉｎｉｔｅｓｙｓｔｅｍ .Ｔｈｅｄｅｆｉｎｉｔｅｎｅｓｓｉｓｃａｕｓｅｄｂｙｔｈｅｓｙｓｔｅｍｉｎｔｅｒｎａｌｓｂｕｔｎｏｔｂｙｔｈｅｅｘｔｅｒｎａｌｄｉｓｔｕｒｂａｎｃｅ[1- 4],ｗｈｉｌｅｔｈｅｉｎｈｅｒｅｎｔｒａｎｄｏｍｎｅｓｓｉｓｔｈｅｉｒｒｅｇｕｌａｒａｎｄｄｉｆｆｉｃｕｌｔ＿ｔｏ＿ｂｅ＿ｐｒｅｄｉｃｔｅｄｂｅｈａｖｉｏｒｏｆｔｈｅｓｙｓｔｅｍ[5 ,6 ].Ｗｈａｔｉｓｍｏｓｔａｔｔｒａｃｔｉｖｅ…