find the x value

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Nimbuzz Kurodo
Nimbuzz Kurodo 2021-10-5
回答： KSSV 2021-10-5
i have three function
part 1 : y=10 sqrt(x) + 20 x >= 8
part 2 : y=5x + 20 x <= x <= 8
part 3 : y=10 x < 0
how to find x value using matlab script ?

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回答（1 个）

KSSV
KSSV 2021-10-5
Ran in:
I will show one for you, rest you should follow the same.
% y=10 sqrt(x) + 20 x >= 8
x = linspace(8,100) ;
y = 10*sqrt(x)+20 ;
plot(x,y)

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