How do I display a variable in a plot title?

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Cody Stein
Cody Stein 2015-4-1
评论： Cody Stein 2015-4-2
So I'm working on modeling the Three Body problem in a class where we have 12 different orbits that we are looking at. Originally we had to enter in the initial conditions for each orbit twelve separate times, however I was able to utilize a for loop to get it to run all 12 at the same time. I am also able to get the program to output into the graph title whether or not the orbit it prograde or retrograde using if statements:
My question is: Is there anyway to get it so I can have the pot title also include the distance of the initial orbit? For example if one set of my initial conditions is:
Is there a way that I can get the plot title to display the last - (IC(12) - value after prograde so the plot title would say something to the effect of, "Planetary Orbit around a Binary Star System - Prograde Motion at -insert IC(12) value here- AU"?
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Stephen23
Stephen23 2015-4-1
What magnitude is the values, and what number formatting would you like it to have? Here are some options:
  • fixed point
  • exponential
  • with trailing zeros
  • significant figures

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Stephen23
Stephen23 2015-4-1
编辑：Stephen23 2015-4-1
Use sprintf to include any variables in a string. For example:
str = sprintf('Planetary Orbit around a Binary Star System - Prograde Motion at %f AU', IC(12));
title(str)
Note that there are many number formatting options available, including floating point, integer, exponential, significant figures, trailing zeros, +/- signs, and much more. Please read the sprintf documentation carefully and pick the best format for your application. In the example above I used '%f', which converts fixed point notation.

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