t = linspace(0,2*pi);x = cos(t)*sqrt(5);y = sin(t)*sqrt(5/2);plot(x,y)The above code is generating a circle. I want to know the direction it is rotating. How can I do it in Matlab?
MATLAB: Direction of display of loop
directionplot
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What you're doing is called a parametric plot - x(t) against y(t) for a parameter variable t.
MATLAB: I have a ‘text’ object on the plot, how can I make it vertical or rotated at any other angle
Yes, you can do this by modifying the 'Rotation' property of the text object's handle.
Please take a look at the following MATLAB code for an illustrative example:
x = 0:pi/20:2*pi;y = sin(x);plot(x,y);% create some text objects on the plot and get there 'handles'
t = text(pi,0,'\leftarrow sin(\pi)');t1 = text(1,0,'text1');t2 = text(2,0,'text2');t3 = text(5,0,'text3');% Specify rotation angles for the 'text' object handles
t.Rotation = 90;t1.Rotation = 30;t2.Rotation = 180;t3.Rotation = 45;
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