same code giving different output on two different versions of matlab in the same system

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Iqra Akhtar 2021-4-1

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/790069-same-code-giving-different-output-on-two-different-versions-of-matlab-in-the-same-system

编辑： Iqra Akhtar 2021-4-1

here I attached the screenshots of both the codes which I run on two versions of matlab 2021a and 2014a both codes are run on the same system but the output graphs are different

please tell me why this error occur?

here I am giving the code

eqn1='x*Dy+2*y=4*x^2'
y=dsolve(eqn1,'y(1)=c','x')
hold on;
syms x;
for cval =-5:5
    ezplot(subs(y,'c',cval),[0,5])
end
axis tight
xlabel('x')
ylabel('y')
grid