MATLAB COMPILER RELEASE NOTES Guía de usuario Pagina 112
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Performance and Big Data
Big data analysis on your desktop that can scale to Hadoop with
mapreduce
The mapreduce function enables analysis of data sets that do not fit in your computer’s
memory. It is used to process large data sets on your desktop, and can also be extended
to run on Hadoop
®
to process big data. MapReduce is a powerful technique for applying
data processing methods to very large data sets, from simple statistics to complex
machine learning algorithms.
For more information, including a selection of examples, see MapReduce.
The functionality of mapreduce extends beyond MATLAB with the following products:
• Access relational databases using Database Toolbox™
• Increased performance on desktops with Parallel Computing Toolbox
• Scaling up to Hadoop using MATLAB Distributed Computing Server™
• Create deployable archives or standalone applications that run against Hadoop using
MATLAB Compiler™
Improved performance for sorting categorical data with sort
The performance of the sort function improves for large categorical array inputs.
typecast function performance improvements with long vectors
The performance of the typecast function improves for long input vectors.
- Release Notes 1
- How to Contact MathWorks 2
- Contents 3
- R2010bSP2 22
- R2010bSP1 22
- R2009bSP1 27
- Version: 8.5 57
- MATLAB Help Browser 58
- Throws constraint 65
- Considerations 69
- Hardware Support 76
- Hardware Support 77
- Version: 8.4 79
- 16 11 10 13 92
- 16 14 15 13 92
- Still runs http:// 96
- Graphics 101
- GUI Building 109
- GUI Building 111
- Performance and Big Data 112
- Version: 8.3 113
- New Features 113
- Bug Fixes 113
- Compatibility Considerations 113
- Desktop 115
- Language and Programming 116
- Language and Programming 117
- MATLAB identifiers 118
- {},namelengthmax); 123
- Mathematics 126
- Integer type support for mean 127
- Data Import and Export 129
- Data Import and Export 131
- Performance 133
- Version: 8.2 135
- Variables editor 144
- Mathematics 151
- Graphics 154
- Version: 8.1 161
- Mac platforms 164
- Set functions behavior change 176
- Version: 8.0 191
- Did you mean: 196
- Tabs in MATLAB Web browser 197
- J= besselj(rowNu, colZ) 205
- J= besselj(colNu, rowZ) 205
- J= besselj(nu, Z); 205
- Version: 7.14 211
- Internationalization 214
- V = [x, 2*x, 3*x]; 222
- Vq = interp1(x, V, xq); 222
- Data Analysis 231
- Programming 232
- Programming 237
- External Interfaces/API 240
- External Interfaces/API 241
- Version: 7.13 243
- Command Window 244
- New Spreadsheet Import Tool 253
- Listener 255
- NET.convertArray(rand(0,1,1)) 261
- Version: 7.12 263
- Help Browser 264
- Managing Files 265
- Mouse pointer 268
- Cursor (I) 268
- Publishing MATLAB Code 269
- MATLAB Notebook Menu Labels 269
- Functionality Being Removed 272
- New High-Level HDF5 Functions 276
- Growing Arrays Is Faster 279
- Error Checking Improved 279
- Version: 7.11 293
- Functions Being Removed 301
- Data Analysis 303
- New Enumeration Classes 305
- New HDF4 Functions 305
- New HDF5 Low-Level Functions 306
- New netCDF Functions 306
- New COM Data Type Support 316
- • VT_I8 — signed int64 317
- • VT_UI8 — unsigned int64 317
- • Unsigned integer 317
- Version: 7.10 319
- Startup and Shutdown 320
- Tiff Class Enhancements 338
- C = textscan(...) 340
- [a,b,c] = deal(C{:}) 340
- Version: 7.9 349
- Workspace and Variable Editor 356
- New Multithreading Capability 363
- Ambiguity Error Now Reported 371
- Plot Selector before R2009b 372
- Plot Selector in R2009b 372
- Property 376
- Studio 2008 Compiler 378
- Changes to Building MEX-Files 378
- Version: 7.8 381
- Desktop New Features Video 382
- Help and Related Resources 383
- Publishing MATLAB Code Files 391
- Upgrade to ACML 4.1.0 394
- Programming Fundamentals 396
- Programming Fundamentals 397
- NthPower(8) 397
- 32768 397
- Now Available in MATLAB 401
- GUIDE Help Menu Enhanced 402
- Version: 7.7 409
- >> d(:) = 5; 439
- Four New Major GUI Examples 445
- Version: 7.6 451
- Tuning and Managing M-Files 461
- Editing and Debugging M-Files 462
- Publishing M-Files 466
- Version 7.5 (R2007b) 473
- Explicit 473
- New Figure Toolbar Buttons 488
- New GUI Table Component 491
- Version: 7.5 501
- Run/Continue Button Changes 511
- Publishing Results 516
- Upgrade to BLAS Libraries 519
- New Multimedia Functionality 527
- Changes to Compiler Support 539
- Compiler 541
- Version: 7.4 545
- Default desktop layout 555
- "tabbed together" 557
- Permanent 580
- Functions Becoming Obsolete 581
- Linux (64-bit) platform 585
- Linux (32-bit) platform 585
- New COM Features 587
- For example: 589
- Version: 7.3 591
- Suppressing M-Lint Messages 600
- Deployment Messages in M-Lint 600
- Future Obsolete Functions 608
- Obsolete Functions 608
- Different Data Types 609
- New Reserved MATLAB Keywords 612
- New Desktop Printing GUI 619
- Functions Are Now Obsolete 623
- Colored Buttons on Windows XP 623
- Documentation Enhancement 624
- Version: 7.2 631
- Source Control Interface 643
- Improved Algorithm for expm 645
- Regular Expressions 648
- Setting Environment Variables 648
- Inspector Has New Look 653
- Major Documentation Revision 655
- Support for VT_Date Type 663
- Version: 7.1 665
- Changes to accumarray 680
- MATLAB prompt: 683
- Plans for Obsolete Functions 691
- mex yprime.c 694
- Compiler Support 695
- Version: 7.0.4 699
- New Callbacks Chapter 714
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