MATLAB POLYSPACE 7 Guide d'installation Page 497
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- Table des matières
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- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Profiling fo r Improving Performance
7 To save the profile report, use the profsave function. This function stores
the profile information in separate H TML files, for each function listed in
FunctionTable of p.
profsave(p)
By default, profsave puts these HTML files in a subdirectory of the
current directory named
profile_results, and displays the summary
report in your system browser. You can specify another directory name as
an optional second argum ent to
profsave.
Accessing Profiler Results
The profile function returns results in a str ucture. This example illustrates
how you can access these results:
1 To start profile,specifyingthedetail and history options, type in the
Command Window.
profile on -detail builtin -history
The detail option specifies that built-ins should be included in the profile
data. The history option specifies that the report include information about
the sequence of functions as they are entered and exited during profiling.
2 Execute an M-file. T his example runs the Lotka-Volterra predator-prey
population model. For more inf ormation ab out this mode l, type
lotkademo,
which runs a dem onstration.
[t,y] = ode23('lotka',[0 2],[20;20]);
3 Stop profiling.
profile off
4 Get the structure containing profile results.
stats = profile('info')
stats =
FunctionTable: [43x1 struct]
FunctionHistory: [2x754 double]
ClockPrecision: 3.3333e-010
7-45
- 508-647-7000 (Phone) 2
- 508-647-7001 (Fax) 2
- The MathWorks, Inc 2
- 3 Apple Hill Drive 2
- Natick, MA 01760-2098 2
- Revision History 3
- Contents 5
- Help for Using MATLAB 10
- Editing and Debugging M-Files 13
- Tuning and Managing M-Files 16
- Source Control Interface 18
- Startup and Shutdown 21
- 1 Startup and Shutdown 22
- .mat extension 23
- .fig, .m, .mat,and.mdl 27
- Star tup Directory for MATLAB 28
- For Windows Platforms Only 29
- For All P latforms 31
- Star tup Options 32
- $user/mytools 32
- Startup Options 33
- About Toolbox Path Caching 37
- UsingtheCacheFileUponStartup 37
- Other Startup Topics 41
- Quitting MATLAB 43
- -r option or run in deploye d 45
- Over view of th e Desktop 49
- Summary of Desktop Tools 51
- Arranging the Desktop 52
- Saving Desktop Layouts 59
- Default desktop layout 64
- The document bar is hidden 75
- Creating Shortcuts 79
- Running Shortcuts 81
- Shortcuts Toolbar 81
- Shortcut Labels on Toolbar 83
- Click Close 85
- Keyboard Shor tcuts 86
- Keyboard Shortcuts 87
- Toolbars 93
- Status Bar 95
- Sizing, Arra 95
- Cut, Copy, Paste 97
- ,andMove 97
- Specifying Page Setup Options 99
- 2 Desktop 100
- Web Browser 101
- Other Desktop Features 103
- Preferences 105
- Preferences File — matlab.prf 107
- DefaultFontSettings 111
- Custom Fonts Preferences 113
- See Also 115
- Syntax Highlighting Colors 119
- Other Colors 121
- MAT-Files Preferences 125
- Accessibility 131
- Assistive Technologies 133
- Setting Up JAWS 135
- Troubleshooting 137
- - Previous history: Ctrl+p 138
- - Next history: Ctrl+n 138
- Running Functions — 139
- Command Window and 139
- The Command Window 141
- Command W 142
- Getting Started 143
- Message Bar in the Command 143
- Running M -Files 146
- Running External Programs 147
- 2 Start M ATLAB 149
- 3 In M ATLAB, type 149
- Function Alternative 150
- Displaying Hype 151
- Controlling Input 153
- Syntax Highlighting 154
- Recalling Previous Lines 157
- Multiple Possible Completions 159
- Tab Completion for Structures 162
- Tab Completion for Properties 163
- Controlling Output 168
- Examples of Formats 169
- Clearing the Command Window 170
- Printing Comman 171
- Keeping a Sessi 171
- Introduction 172
- Find Dialog Box 172
- Incremental Search 173
- 5 To find 175
- 1,000 to 25,000.Thisisthe 180
- Keyboard Preferences 181
- Command Window Key Bindings 182
- Editor/Debugger Key Bindings 183
- Tab Completion 183
- Tabs and Indents 184
- Delimiter Matching 184
- Beep — MATLAB beeps 186
- None —Thereisnoalert 186
- Command History Window 187
- Searching in the 190
- To highli 193
- Finding Text 194
- Settings 197
- 4 Help for Using MAT LAB 200
- Help Browser Overview 201
- Resizing the Hel 203
- Types of Documentation 205
- Adding Help Files 207
- DocumentationinOtherLanguages 207
- Product Roadmap 209
- Index for the Help B rowser 211
- Tips for Using the Index 213
- Exact Phrases in Search 219
- Boolean Operators in Search 219
- Get More Results 221
- Go to Favorites 223
- Organize Favorites 223
- Browse to Other Pages 225
- Copy Information 227
- Evaluate a Selection 227
- Open a Selection 227
- Help on Sele ction 227
- View the Page Source (HTML) 227
- Demos in the Help Browser 229
- Searching for Demos 233
- Product Filter 235
- Comic Sans 239
- Printed Documentation 240
- Help Functions 242
- Other Forms of Help 249
- Workspace, Search Path 253
- MATLAB Workspace 254
- Opening the Work 255
- Saving the Current Workspace 257
- Saving Selected Variables 258
- Importing Data 259
- Deleting Workspace Variables 260
- NaN, although 263
- About the Ar 264
- Opening t 264
- Multidimensional Arrays 266
- R = rand(1,2,3) 267
- Elements in the Array Editor 269
- International Number Handling 274
- Search Path 275
- Viewing and Sett 278
- Viewing the Search Path 279
- Saving Settings to the Path 282
- File Management Operations 287
- Current D irectory Browser 288
- Viewing and Maki 290
- Changing the Display 293
- Directories and Files 295
- Creating New F iles 296
- Creating New Director ies 296
- Opening and Running Files 299
- Opening Files from Find Files 304
- Comparing Files 306
- Auto-Refresh 308
- Editing and Debugging 309
- BeginwithExistingCode 311
- Demos and Examples 312
- File Exchange 312
- Starting the Editor/Debugger 315
- M-File Cells 318
- Closing the Editor/ Debugger 321
- Editor/Debugger 322
- Undo and Redo 323
- Adding Comments 323
- Narrowing Completions Shown 332
- Using Tab for Spacing 335
- Indenting 337
- Line and Column Numbers 338
- Highlight Current Line 338
- Right-Hand Text Limit 339
- View Function or Subfunction 339
- Constructs 339
- Split Screen Display 346
- • Double-click the splitter 349
- Navigating in an M-File 350
- Going to 351
- OpeningaSelectioninanM-File 356
- Finding Text in F iles 357
- Replacing Text 358
- Finding Text in Files 361
- Exchange Positions 365
- Show Updated Files 365
- Find Text in Files 365
- Compare to Other Files 365
- Alternative Way 366
- >> 369
- Saving Files 370
- Autosave 371
- Printing M-Files 372
- Closing M-Files 372
- Find Configurations 383
- Configurations 386
- 4 Click the Remove 387
- 4 You might 389
- M-Lint Code Analyzer 395
- M-Lint Automati 396
- Editor/Debugge 396
- Open the example file: 397
- (in functions) 406
- %#ok for that 409
- Ways to Debug M-Files 411
- Preparing for Debugging 411
- Code for collatz.m 413
- Code for collatzplot.m 413
- Setting Breakpo 415
- Setting Standard Breakpoints 416
- Running the Example 419
- SteppingThroughanM-File 420
- Examining Value 422
- K>> prompt. To see the 423
- Evaluating a Selection 425
- Ending Debugging 427
- Saving Breakpoints 429
- Correcting an M-File 429
- Completing the Example 429
- Conditional Breakpoints 434
- Breakpoints 436
- Error Breakpoints 437
- Setting Error Breakpoints 438
- 3 Click Add 439
- What Are Cells? 441
- Rapid Code Iteration Overview 441
- %%.Fordetails,see 442
- Defining Cells 443
- Cell Titles and Highlighting 444
- Example — Define Cells 445
- Removing Cells 447
- EvaluatingCellsinanM-File 448
- Modifying Values in a Cell 449
- Example — Evaluate Cells 449
- 0.0625 to 0.125 451
- Tuning and Managing 453
- 7 Tuning and Managing M-Files 454
- Show Subfunctions 459
- Contents Report 461
- Contents.m file directly, or 463
- Dependency Repor t 465
- Coverage Report 467
- M-Lint Code Check Report 468
- What Is Profiling? 479
- Using the Profiler 481
- Profile Summary Report 485
- Profile Detail Report 487
- Child Functions 491
- Function Listing 493
- -detail level 495
- Accessing Profiler Results 497
- function 499
- Publishing Results 501
- Using Cells 502
- 8 Publishing Results 504
- Overview of Text Markup 511
- FILENAME.PNG,with 515
- FILENAME.PNG with 515
- Output Types 517
- % _ITALIC TEXT_ 521
- % 521
- % Calculate and plot 521
- 521
- MONOSPACED TEXT 521
- About Published M-Files 525
- Notebook features 529
- Opening an Existing M-Book 531
- 4 Click OK 533
- 1 Create a new M-book 533
- Ensuring Data Co 535
- Debugging an 535
- This is a sample cell group 537
- Creating a Calc Zone 539
- Notebook 545
- Printing an M-Book 547
- 3 Click OK 549
- Configuring Notebook 553
- Notebook Feature Reference 554
- Define Autoinit Cell 555
- Define Calc Zone 555
- Evaluate Cell 557
- Hide Cell Markers 559
- Notebook Options 559
- Ungroup Cells 561
- 9 Source Control Interface 564
- Add Files to Source Control 571
- MATLAB on Windows 573
- Undoing the Checkout 575
- @ character in the directory 587
- MATLAB Alternative 589
- Setting a V iew an 591
- ClearCaseonUNI 591
- Checking 593
- Directory Browser 595
- Version of a File 597
- Undoing the Checkout on UNIX 598
- K>> 609
- Index-10 610
- Index-11 611
- Index-12 612
- Index-13 613
- Index-14 614
- Index-15 615
- Index-16 616
- Index-17 617
- Index-18 618
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