solving parabola with x and y intercept

Question

Jarrod 2023-10-3

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https://ww2.mathworks.cn/matlabcentral/answers/2028405-solving-parabola-with-x-and-y-intercept

回答： Jarrod 2023-10-3

采纳的回答： Jarrod

Im currently trying figure out how to graph a parabola given x and y intercept

function y = parshelter(x1,y1,x2,y2)

%where i need help%

end

---im trying to call it from another code ---

xstart=0

ystart=24

xend=10

yend=0

parshelter(xstart,ystart,xend,yend)

any help would be nice as ive been trying for hours now

(xstart,ystart) is the y intercept and (xend,yend) is a x intercept

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John D'Errico 2023-10-3

编辑：John D'Errico 2023-10-3

You can't. If you are asking what I think you are...

There are infinitely many parabola that pass through two points, an x-intercept, and a y-intercept. There is no unique solution.

If you want a unique solution, then a straight line will pass through the two points, AND a straight line is just a parabola with a zero quadratic coefficient. Think of the straight line as the simplest possible parabola, or if you prefer, a degenerate parabola.

Jarrod 2023-10-3