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How can we plot a function with domain involving infinity

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zahid
zahid 2017-4-19
回答： Jayesh Shimpi 2019-10-5
How can we plot a function with the domain involving infinity? Suppose I want to plot the following function:
f(y)=(2*pi*y)^(-1/2)*exp(-y/2); y>0
How can I do this in MATLAB?
Thanks

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采纳的回答

Andrew Newell
Andrew Newell 2017-4-19
Of course, you can't plot the whole thing, but you can plot enough so that it's obvious where the curve is going. One approach is to let MATLAB choose the domain for you:
f = @(y) (2*pi*y).^(-1/2).*exp(-y/2);
ezplot(f)

更多回答（1 个）

Jayesh Shimpi
Jayesh Shimpi 2019-10-5
Infinity symbol used in Matlab for limit to plot the graph

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