How do I draw a horizontal line at a fixed height on the y axis and print the coordinates of the points I intercept?

7 次查看（过去 30 天）
HelpAStudent
HelpAStudent 2021-10-11
回答： KSSV 2021-10-11
Hi, I have a matlab plot with 6 curves (or functions).
My y-axis ranges from 0 to 255.
My x-axis ranges from -20 to 20.
How do I "draw" a horizontal line (for example y = 80) and the points it intercepts, print the coordinates and which function they refer to. The functions are differentiated in the legend by colors and names.

请先登录，再回答此问题。

回答（1 个）

KSSV
KSSV 2021-10-11
Ran in:
th = linspace(0,2*pi) ;
x = sin(th) ;
plot(th,x)
hold on
line([th(1) th(end)],[0.4 0.4])
For finding intersections use: https://in.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections

类别

在 Help Center 和 File Exchange 中查找有关 2-D and 3-D Plots 的更多信息

标签

产品


版本

R2020b

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by