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I'm trying to plot this equation, if anyone can help

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Kevin Valdez
Kevin Valdez on 29 Nov 2020
Answered: John D'Errico on 29 Nov 2020
y² = 4ax

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Answers (2)

Star Strider
Star Strider on 29 Nov 2020
Take the square root of both sides, and plot:
y = +sqrt(4*a*x);
y = -sqrt(4*a*x);
That’s how I would do it, anyway.

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John D'Errico
John D'Errico on 29 Nov 2020
If no value is supplied for a, then what will you plot?
Perhaps you might do this:
a = 0.25:0.25:2;
L = cell(size(a));
for ind = 1:numel(a)
ai = a(ind);
fun = @(x,y) y.^2 - 4*ai*x;
fimplicit(fun,[0,10,-10,10])
hold on
L{ind} = ['a = ',num2str(ai)];
end
legend(L{:},'location','northwest')

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