how can I join points along a two plots with straight lines?

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Brendan Atarigiya
评论： Brendan Atarigiya 2016-7-8
hello. I have written this code to draw a slope model for me. First, there is the linear slip surface and then the circular slip surface. both functions have thesame vectorizations. Now I want to connect the points of both plots with straight lines. Can anyone help me out??? thank you"
H = 5;
Xc =7;
Yc = 11;
R = 20;
fr = 45; % slope angle in degrees
tfr = tand(fr); % slope angle in gradient
%%Slip surface generation
xmin = Xc - sqrt(abs(R^2 - Yc^2)); % Exit point of slip circle
xmax = Xc + sqrt(abs(R^2 - (Yc-H)^2)); % Entry point of slip circle
x = linspace(xmin,xmax,ns)'; % Positions where the forces will be analyzed.
ybot = Yc - sqrt(abs(R^2-(x-Xc).^2)); % Equation for generating slip circle
%%Slope surface generation
ytop = (x>=0).*(x<(H/tfr)).*(x*tfr) + (x>=(H/tfr)).*H; % Slope surface. equation of a line is used
figure(1);
plot(x,ybot,'-r',x,ytop,'-r')

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采纳的回答

Jan Orwat
Jan Orwat 2016-7-8
add at the end something like that:
hold on
plot(reshape([x,x,x].',1,[]),reshape([ytop,ybot,ytop*NaN].',1,[]))
  2 个评论
Jan Orwat
Jan Orwat 2016-7-8
In general, you can combine vectors (say A and B) in manner like
[A(1) B(1) NaN A(2) B(2) NaN ...]
but not manually, via concatenation and reshaping.
Note, that without including NaNs you will get saw-like shape.

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