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LabVIEW 2010 MathScript Real-Time Module Linux/MAC LV2010文本数学脚本实时模块MSRT2010 Linux/MAC版下载

LabVIEW MathScript模块帮助您将自定义的文本数学代码部署到LabVIEW应用程序中和NI实时硬件上。
LabVIEW MathScript模块是LabVIEW编程环境的一个附加软件，包含750多种用于信号处理、分析和数学运算的内置文本函数。该模块还提供了一个交互式可编程界面。专为脚本编程而设计的MathScript交互式窗口提供命令行界面，方便用户下载、保存、设计和执行文本文件脚本。MathScript节点专为脚本部署而设计，作为LabVIEW的一项嵌入式功能，可将基于文本的变量与图形化LabVIEW代码的输入与输出连接起来。该模块适用于LabVIEW以及所有LabVIEW Real-Time硬件终端。

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LabVIEW 2010 MathScript Real-Time Module Linux/MAC LV2010文本数学脚本实时模块MSRT2010 Linux/MAC版下载

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LabVIEW 2010 MathScript RT Module Readme

Overview

System Requirements

• LabVIEW 2010 Full or Professional Development System

• At least 500 MB of disk space
  
  

Installation Instructions

Windows

• LabVIEW Release Notes, which are available in your LabVIEW software kit.

• LabVIEW Platform DVDs Readme, which is available on the top-level of LabVIEW Platform DVD 1.
  
  

Mac OS X

• Insert the LabVIEW MathScript RT Module installation CD and open LabVIEW MathScript 2010.mpkg from the Mac OS X subdirectory.

• Follow the instructions that appear on the screen.
  
  

• /Applications/National Instruments/LabVIEW 2010/resource/mathscript.rsc

• /Applications/National Instruments/LabVIEW 2010/examples/MathScript/

• /Applications/National Instruments/LabVIEW 2010/vi.lib/imath/

• /Documents/LabVIEW Data/InstCache/

• /Documents/LabVIEW Data/MathScriptVIs/
  
  

Linux

• Log into the system as root.

• Insert the LabVIEW MathScript RT Module installation CD. Use mount /mnt/cdrom to mount the CD. On some systems, the CD mounts automatically.

• To change the current directory to the mounted CD, enter the following command:
  
  cd /mnt/cdrom/Linux

• To run the installation script, enter the following command:
  
  sh ./INSTALL
  
  If you encounter the message bad interpreter: Permission denied, the CD might not have mounted with executable permissions. To correct this issue, enter the following command:
  
  /bin/sh ./INSTALL
  
  

Upgrading from the LabVIEW 2009 MathScript RT Module

Opening Applications Saved in LabVIEW 2009

Disallowing Sharing of MathScript Cache Files on Computers with Multiple Users

• Delete the InstCache directory from the <;Public Cache><NIDir> directory. (Windows, Mac OS X) The <NIDir> directory is located at <;Public Cache>National Instruments. (Linux) The <NIDir> directory is located at <;Public Cache> atinst.
  
  Note: Use the Get System Directory VI, available on the File Constants palette in LabVIEW, to return the location of the <;Public Cache> directory.

• Create an empty file named UseLocalInstCacheForAllUsers.ini in the <NIDir> directory.

• Make the <NIDir> directory read-only. Ensure that non-administrator users have only read access to the directory.
  
  

Accessing the Help

Finding Examples

New Features

LabVIEW MathScript Window Enhancements

• (Windows) The Script Editor in the LabVIEW MathScript Window includes improved script-editing features, such as syntax highlighting, line numbers, a dialog box for finding and replacing text, and bookmarks with which you can mark lines of your script.

• The menu items in the Script Editor are reorganized to include new options. (Windows) The Edit menu in the Script Editor also includes items for finding and replacing text, navigating between bookmarks, and so on.

• On the Variables page, the Dimension column is renamed to Data. The Data column in the LabVIEW MathScript Window displays the value of the corresponding variable, or, if the value is too long to display, LabVIEW displays the dimension of the variable. This feature also exists in the LabVIEW MathScript Probe window.
  
  

Adding Output Terminals to MathScript Nodes

New MathScript Functions

• The support class contains the rgb_to_grayscale function.

• The transforms class contains the realifft and realifft2d functions.
  
  

Performance Improvements

Behavior Changes

• In the MathScript RT Module 2009, the default data type of MathScript Node input terminals you create is void. In the MathScript RT Module 2010, the default data type of input terminals you create is double-precision, floating-point numeric.

• In previous versions, the LabVIEW MathScript Probe window does not display variables you define but do not reuse in your script. In the MathScript RT Module 2010, the LabVIEW MathScript Probe window displays all variables you define in your script.

• When you specify indexes of matrix elements in previous versions, LabVIEW ignores indexes for any dimensions higher than 2. For example, when indexing an element of matrix a, LabVIEW treats a(1, 2, 3, 4); the same as a(1, 2); and does not return an error or warning. In the MathScript RT Module 2010, LabVIEW returns an error when you specify a value for a dimension greater than 2.
  
  

MathScript Function Changes

• The bin_to_dec function does not accept letters or digits other than 0, 1, or white space.

• In the MathScript RT Module 2009 SP1, National Instruments recommends you use the fft and sort functions in a time-critical VI or timed structure only if you specify a vector for the a input. In the MathScript RT Module 2010, you also can use these functions in time-critical code with matrices as inputs.

• In the MathScript RT Module 2010, the format function modifies the display format of numbers differently than in previous versions, as described in the following table.

  Syntax	MathScript RT Module 2009 Format	MathScript RT Module 2010
  		Format	Example: 100 * pi =
  format short	Scaled fixed-point format with 5 digits	Scaled fixed-point format with 4 digits after the decimal point	314.1593
  format short e	Floating-point format with 5 digits	Floating-point format with 4 digits after the decimal point	3.1416e+002
  format long	Scaled fixed-point format with 15 digits	Scaled fixed-point format with 15 digits after the decimal point	314.159265358979326
  format long e	Floating-point format with 15 digits	Floating-point format with 15 digits after the decimal point	3.141592653589793e+002

• The fread and fwrite functions include a byte input you can use to specify the byte order, or endian form, to use when reading and writing data, respectively.

• In the MathScript RT Module 2009, you can specify attributes for only 2D plots. In the MathScript RT Module 2010, you can specify attributes for 3D plots you generate with the line and plot3d functions.

• The b input of the linearsolve function accepts matrices.

• The a input of the lu function accepts non-square matrices.

• The median and meshgrid2d functions are suitable for use in deterministic applications when used according to certain guidelines.
  
  Refer to the MathScript RT Module&#187;Guidelines for Using LabVIEW MathScript in Real-Time Applications book on the Contents tab of the LabVIEW Help for more information about using MathScript with RT targets.

• The sort function includes an optional order input you can use to sort the input elements in ascending or descending order.

• The std and var functions include a d input you can use to specify the dimension of x across which to calculate the standard deviation or variance, respectively, if x is a matrix.

• The str_to_double and str_to_num functions are no longer supported on RT targets.

• In the MathScript RT Module 2009, when you use the following functions to generate multiple plots, you must specify attributes for all plots or no plots. In the MathScript RT Module 2010, you can specify attributes for only the last plot, and LabVIEW uses the default attributes for previous plots.
  
  

• loglog

• plot

• semilog_x

• semilog_y
  
  

• Inputs that accept signals for the following functions now accept complex values. For example, the x and y inputs of the crosspsd function accept complex values in addition to real values.
  
  
  

• buffermx

• coherence_ms

• corrmx

• crosspsd

• psd_burg

• psd_covar

• psd_mcovar

• psd_periodogram

• psd_welch

• psd_yule

• pspec_eign

• pspec_music

• root_eign

• root_music

• spectrogram

• tf_estimateplot
  
  

Known Issues

Bug Fixes

Important Information