plot numerical solutions to the the initial value problem

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Bob 2016-7-29

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https://ww2.mathworks.cn/matlabcentral/answers/297665-plot-numerical-solutions-to-the-the-initial-value-problem

编辑： Bob 2016-7-29

On a single graph, plot numerical solutions to the the initial value problem on the interval [0,10]. Use values of b that are less than -1, equal to -1, between -1 and 1 and above 1. Use a domain of [0,6].

equation: y' = (y - sqrt(t)) * (1 - y^2) y(0)=b.

Attempted code:

syms y(t)
figure; hold on
for b = -2:1:2
    fb = dsolve('Dy = (y - sqrt(t)) * (1 - y^2)', y(0) == b) ;
    ezplot(fb, [0, 10, 0, 6])
end

I am confused on how you get it to plot those values for b and be on an interval of 0,10 with a domain of 0,6.

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Selva Karna 2016-7-29

use xlimit command

Bob 2016-7-29

编辑：Bob 2016-7-29

在 MATLAB Online 中打开

Can you show me how I would use that command in this case. I have never used that command before. What part of my question would I use the xlimit for? This is what I have now:

syms y(t)
figure; hold on
for b = -2:1:2
    fb = dsolve('Dy = (y - sqrt(t)) * (1 - y^2)', y(0) == b) ;
    ezplot(fb, [0, 10, 0, 6])
    xlim([0 10])
    ylim([0 6])
end