Problems creating a chart

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Lev Mihailov
Lev Mihailov 2019-8-26
评论： TADA 2019-8-26
Hello! I'm trying to create a graph and I have a problem
plot(Data','.-b')
ylabel('temp')
xlabel('time')
f = getframe;
hold on
plot(x1:x2,Data(x1:x2),'o-r')
ylabel('temp')
xlabel('time')
f = getframe;
plot(z,'o-g')
z=ceil(z);
plot(1:z,Data(1:z),'o-w')
ylabel('temp')
xlabel('time')
f = getframe;
hold off
x1 and x2 matrix 1x500 double
z 1x500 single
Error using :
Colon operands must be real scalars.
Error in Untitled (line 1601)
plot(1:z,Data(1:z),'o-w')
my goal is to animate temperature changes over time, x1 and x2 are areas where a person can work (represent the coordinates of the temperature), z is an area where you can’t work
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显示 1更早的评论
TADA
TADA 2019-8-26
This should work like your other plots do
plot(x1(1):x2(1),Data(x1(1):x2(1)),'o-r');
plot(1:z(1),Data(1:z(1)),'o-w');
TADA
TADA 2019-8-26
the documentation states that all colon operators parameters should be scalars.
You stumbled on some undocumented strange behavior. Better to use scalars in all your colon operations and be on the safe side

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