向各位大侠求教下,如何在MATLAB中求出一列序列的一阶自协方差值？多谢了！！！！

比如求出下列序列的一阶协方差

0.27711

0.018797

-0.30229

0.435588

-0.7466

0.896485

-0.23053

0.734958

-0.73534

0.871578

-0.78475

1.048263

-0.78011

0.922458

-0.82539

0.876819

0.047569

1.873867

1.026993

2.480917

0.852971

2.270475

0.650337

2.016953

0.741027

1.635436

-0.07158

2.240084

0.847468

2.334076

1.275641

2.879819

1.974304

1.941373

2.000488

0.90737

1.41444

0.703989

1.714905

2.304831

2.139946

2.490195

1.37277

2.565609

2.430214

1.716227

2.326524

1.015604

2.097272

0.613735

2.994521

1.04913

2.973794

2.697142

2.776561

4.336792

3.56702

3.267551

4.574806

4.249972

5.138985

4.293856

6.410538

3.711548

5.814645

3.102342

5.825412

3.851092

5.938471

5.244336

6.132997

5.969866

6.530154

5.846329

7.279542

5.934956

7.244098

6.348803

7.624132

6.490324

7.607119

5.681452

7.816092

6.253114

7.861419

5.76007

8.419095

5.350111

8.871689

5.635526

8.816252

5.088069

9.000295

4.983671

8.810677

4.923053

8.81286

4.579686

8.908358

5.02582

9.269269

4.776339

8.844892

4.509754

9.457234

5.258951

9.933034

5.25542

9.458347

4.670127

9.560931

4.391741

9.978383

3.933389

9.623541

3.967551

9.644558

3.177822

9.370855

2.544192

9.466126

3.029223

9.257425

3.174675

8.90841

3.076563

9.571258

3.713318

9.711814

4.224957

9.69471

3.929186

9.715229

3.785283

9.58986

3.353268

9.213039

3.622448

9.499682

3.703228

9.251892

3.657701

8.622214

3.255939

8.743444

2.744086

8.243221

2.65768

8.330901

2.385151

8.683404