how to plot an inverse function?

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abc def
abc def 2020-12-22
回答： Alan Stevens 2020-12-22
Hello , I have an inverse function
x = -y^2+10
but i don't know how to declare and plot it.
I tried to do
y = -x^2 +10
g = finverse(y)
ezplot ( x,g ,[-2,12])
and "imaginary parts of complex x and/or y arguments ignored error in matlab" error appears.
what function should i use for this problem ?
Thank you !!!

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采纳的回答

Alan Stevens
Alan Stevens 2020-12-22
How about
y = -10:10;
x = 10-y.^2;
plot(x,y),grid
xlabel('x'),ylabel('y')

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