How to plot a circle with radius and coordinates?

2014 3 15
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更新时间：2014 3 16
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Hey guys.. I'm new in Matlab and this is my first week of using it, and our teacher already gave us homeworks. He didn't show us anything, just something about matrix.
Please, how can I plot center(5,7) and radius 3? I've tried this:
function circleplot(xc, yc, r)
t = 0 : .1 : 2*pi;
x = r * cos(t) + xc;
y = r * sin(t) + yc;
plot(x, y)
axis square; grid
and called it like this:
xc = 5;
yc = 7;
r = 3;
circleplot(xc, yc, r)
Gives me error: | Undefined function 'circleplot' for input arguments of type 'double'. |

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Azzi Abdelmalek
Azzi Abdelmalek 2014-3-15

0 个投票

Your code is correct, check if your function is saved in the current folder

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Manu Manu
Manu Manu 2014-3-15
Where to check that? I searched in all folders for 'functions'. Or is it about the program saving? I saved the program in Documents/Matlab. But I think it's ok.
Manu Manu
Manu Manu 2014-3-16
Man I forgot that my teacher wanted a SCRIPT to make this. What is the code for script?
Azzi Abdelmalek
Azzi Abdelmalek 2014-3-16
The same without
function circleplot(xc, yc, r)

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