how can i plot a circle intersect with a line

2015 4 24
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更新时间：2015 4 25
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i want to write a program that can help to plot a circle intersect with a line

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Geoff Hayes
Geoff Hayes 2015-4-24
amro - please elaborate on the problem that you are trying to solve. What are your inputs for the line? What are your inputs for the circle?
amro faira
amro faira 2015-4-25
xc=6
xc =
6
yc=5
yc =
5
r=2
r =
2
theta=90
theta =
90
and for the line
xo=6
xo =
6
yo=7
yo =
7
xf=4
xf =
4
yf=8
yf =
8
amro faira
amro faira 2015-4-25
i already have the parametric of circle and line i just need a formula to insert the input to plot the intersect or what should i do
for t=0:0.001:1 x(i,1)=xo+(xf-xo)*t; y(i,1)=yo+(yf-xo)*t; i=i+1; ---------------------------------------- for theta = 0:pi/100:2*pi i = i+1; x(i) =xc+r*cos(theta);
y(i) = yc+r*sin(theta);

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Stalin Samuel
Stalin Samuel 2015-4-25

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Roger Stafford
Roger Stafford 2015-4-25
编辑：Roger Stafford 2015-4-25
@Stalin - This function, 'circcirc', which you give as an answer, is for finding the intersections between two circles, not between a circle and a straight line! I think you meant to reference this function:
http://www.mathworks.com/help/map/ref/linecirc.html

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