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Why my graph is not corelating with my calculations

1 次查看（过去 30 天）
moonman
moonman 2011-10-3
关闭： MATLAB Answer Bot 2021-8-20
my equation is
exp(x)-(x+1)/(x-1)
Once i plot it with
> x=0:.01:3;
>> y=exp(x)-(x+1)/(x-1);
>> plot(x,y)
I get strange graph
For example at x=0 the equation says that y=2
but plot is showing close to -.5
why it is so??

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回答（2 个）

Daniel Shub
Daniel Shub 2011-10-3
There is a difference between "/" and "./". You want ./
y=exp(x)-(x+1)./(x-1);
moonman
moonman 2011-10-3
Ok thanks daniel
I have calculated one root of this equation as
-1.5433
Is it correct answer can u check through matlab

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