The function between(x,min,max) is definded as: "Return 1 if x is
greater than or equal to min and less than or equal to max, 0 otherwise."
In some cases it would be useful to have a similar function (with a
different name) which doesn't include the maximum: "Return 1 if x is
greater than or equal to min and less than max, 0 otherwise."
This would be useful if a function is defined segment-wise:
ld(0)*between(t,0,10)+ld(1)*between(t,10,20)+...
The problem is at t=10, where both "between" functions become true.
Sure, there are workarounds to solve this problem, but a new "between2"
function would make things easier.
Michael
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