define the symbolic function y(t) in matlab

To define a symbolic function y(t) in MATLAB, you can use the sym function to create a symbolic variable t and then define your function y(t) using this variable. Here is how you can do it:

main.m
syms t  % Define t as a symbolic variable
y = @(t) t^2 + 3*t - 6;  % Define the symbolic function y(t)
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Now, the function y(t) is defined and you can use it with different values of t.

You can also create more complex symbolic functions by using various mathematical operations within the function definition.

Remember to use the symbolic toolbox in MATLAB to work with symbolic functions.