solving differential equation and assigning value to symfun

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swetha S
swetha S 2020-1-23
回答： Star Strider 2020-1-23
I solved my 1st order differntial equation using the below commands
syms y(t)
ode = diff(y) == t+2y;
cond = y(0) == 1;
ySol(t) = dsolve(ode,cond)
After this I have got my solution. Now my problem is I need to assign ySoln(t)=1 , to convert this equation to algebric one and solve for t.
I dont know how to assign a symfun to 1.

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Star Strider
Star Strider 2020-1-23
Try this:
t_val = vpasolve(ySol==1,t) % Symbolic Solution

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