Hi all! Can anyone help me out with turning these equations into M1= one eq. with heaviside M2= one eq. with heaviside M1: 0 M1 = 20.555*x 150, 10 M1 = -0.0167*(x-10)^3 - 0.5*(x-10)^2 + 20.555*x- 150, 20 M1 = 5.555*x + 83.35, M2: 0 M2 = (1-a/30)*x, a M2 = a*(1-x/30) Best, A

Help with heaviside function

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Ahmed Al Jasar 2018-11-3

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编辑： dpb 2018-11-4

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Hi all! Can anyone help me out with turning these equations into

M1= one eq. with heaviside 
M2= one eq. with heaviside 
M1:
0<=x<=10 >    M1 =  20.555*x 150,
10<x<=20 >    M1 =  -0.0167*(x-10)^3 - 0.5*(x-10)^2 + 20.555*x- 150,
20<x<=30 >    M1 =  5.555*x + 83.35,
M2: 
0<=x<=a  >    M2 = (1-a/30)*x,
a<x<=30  >    M2 = a*(1-x/30)

Best, A

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dpb 2018-11-3

编辑：dpb 2018-11-4

Oliver Heaviside was an English self-taught electrical engineer, mathematician, and physicist who adapted complex numbers to the study of electrical circuits and, amongst other innovations, invented the Heaviside step function. (mostly Wikipedia intro...dpb)

Hence, it's "heaviside" w/ an "eye", not "heavy" as in weighty...

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