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Piecewise function
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Hello,
I'm attempting to join the three functions below, multiplying them by the Heaviside function and then adding each other, but, as you can see, the imaginary part of one function are interfering with the other function.
I would like to know if there are someway to fix this problem.
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also another syntax If[x<=1,sqrt(4(x+2)²),1<x<=1,sqrt(4x²),1<x,sqrt(4(x2)²)]
I don't think you understand,
I want to do it without an if, in a single function, like the batman equation.
Batman superhero originally posted on reddit.com on Jul. 28, 2011.
the piecewise are not single functions
http://mathworld.wolfram.co...
This is the syntax for Batman without If[ ] (Zbynek's version :) )
https://www.geogebra.org/ma...
I tryed f(x) = (x ≤ 1) sqrt(4  (x + 2)²) + (1 < x ≤ 1) sqrt(4  x²) + (1 < x) sqrt(4  (x  2)²)
it should work but it does not work becasue "0*f(x)" reduce the domain of whole function
I think that if[] is used implicitly
f(x) = sqrt((x ≤ 1) (4  (x + 2)²)) + sqrt((1 < x ≤ 1) (4  x²)) + sqrt((1 < x) (4  (x  2)²))
worked
Maybe by defining sqrt2() which is real everywhere?
your sqrt2(x) and sqrt((x>=0)*x) are the same function so your p(x) and my f(x) are the same function
Hi,
an other way, with floor(...),
...
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