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Empty plot of piecewise function?

Ser Man
Posted 3 years ago

Hi, I am trying to write up a ladder function, I use Piecewise:

f[x]=Piecewise{{1.5, {-6<x<-5.8}}}

where this is the first step of the ladder. Then adding a second step:

f[x]=Piecewise{{1.5, {-6<x<-5.8}}, {-1.5, {-5.6<x<-5.4}}}

But the plots are empty. Is this a problem with the intervals?

Thanks
POSTED BY: Ser Man
4 Replies
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Do you know the function Floor and friends? Is it this, what you want?

Plot[Floor[x], {x, 0, 10}, Exclusions -> None]

enter image description here
POSTED BY: Henrik Schachner

Too many curly braces. Try this:

f[x] = Piecewise[{{1.5, -6 < x < -5.8}}];
Plot[f[x], {x, -6.5, -5.5}]
POSTED BY: Gianluca Gorni
Ser Man
Ser Man
Posted 3 years ago

Thanks for that, it show now the function, but the plot is still blank.
POSTED BY: Ser Man
Rohit Namjoshi
Rohit Namjoshi
Posted 3 years ago

Please check your code. There is no [ ] following Piecewise.
POSTED BY: Rohit Namjoshi
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