Simulink if/else block

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Steven
Steven 2011-11-23
Hi,
I'm looking for the right way to set a conditional statement in Simulink. That's the pseudo-code I wish to have:
if x < 6
y = 0
elseif x > 20
y = 2
else
y = 1
The block if is not really what I'm looking for, I just want a small controller with one input (x) and one output (y).
thx

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Steven
Steven 2011-12-8
the block I was looking for was index vector

更多回答（1 个）

Kaustubha Govind
Kaustubha Govind 2011-11-23
There's at least two ways that I can think of:
  1. Use a 1-D Lookup Table with [0 1 1 2] as the table data and [6-eps 6 20 20+eps] as the breakpoints
  2. Use a combination of Logic and Bit Operations (Compare to Constant and AND blocks).
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Steven
Steven 2011-11-24
but all logical block send 0 or 1 as output. What's the block to use to take some value if 0, some other if 1

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