Error in solve (Incorrect number or types of inputs or outputs for function 'solve'.)
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Laura
le 23 Oct 2023
Réponse apportée : Walter Roberson
le 23 Oct 2023
My code is:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1518236/image.png)
I am getting the error:
Error in untitled3 line 4
[x,y]=solve(ec1,ec2)
How to resolve the above error?
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Walter Roberson
le 23 Oct 2023
You did not mention your MATLAB release. Since roughly R2018b that form of solve() has not been available. These days you would need something closer to
syms x y
ec1 = y == x^2;
ec2 = y == log(x+1);
[x, y] = solve(ec1, ec2)
fimplicit([ec1, ec2], [-0.9 5])
[x, y] = vpasolve([ec1, ec2], 1)
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