National Instruments ni matrixx xmath 用户手册

As shown in Figure 1-1, functions are provided to handle four broad tasks:

•

Model reduction with additive errors

•

Model reduction with multiplicative errors

•

Model reduction with frequency weighting of an additive error, 
including controller reduction

•

Utility functions

Figure 1-1.  MRM Function

balmoore
redschur
ophank

balance
mreduce

bst
mulhank

wtbalance
fracred

hankelsv
stable
compare

truncate

Utility Functions

Additive Error

Model Reduction

Multiplicative

Model Reduction

Frequency Weighted

Model Reduction