Modular Data Acquisition
Distributed Measurement and Control
High-Performance Test
Automated Test System Development Software
Perspectives showcases how NI sees what’s next in the world of test and technology.
You can request repair, RMA, schedule calibration, or get technical support. A valid service agreement may be required.
Provides support for NI data acquisition and signal conditioning devices.
Provides support for Ethernet, GPIB, serial, USB, and other types of instruments.
Provides support for NI GPIB controllers and NI embedded controllers with GPIB ports.
尝试对未初始化的数组的一部分执行计算时,会得到NaN的结果。例如,如果您有以下数组:
如果您有一个具有NaN元素的数组,并且您想要删除它们,以便您可以执行操作,例如查找列或行的平均值或标准差,那么您可以使用'Not a Number/ Path/ Refnum?' 函数来删除这些元素并使用零替换它们。以下代码将删除任何NaN的情况并用零替换它们:
通常,如果您发现NaN出现在数组中或作为函数运行的结果,请查看您尝试读取或操作的数据。
How Do I Create a Blank Entry in a LabVIEW Array
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Yes
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