How will ∫^e^x⁄x look like, in MATLAB?(a) Infinite series(b) expint(x)(c) ei(x)(d) ErrorI had been asked this question in class test.My enquiry is from Integration in chapter Beyond the Basics of MATLAB

How will ∫^e^x⁄x look like, in MATLAB?(a) Infinite series(b) expin

1.	How will ∫^e^x⁄x look like, in MATLAB?(a) Infinite series(b) expint(x)(c) ei(x)(d) ErrorI had been asked this question in class test.My enquiry is from Integration in chapter Beyond the Basics of MATLAB
Answer» The correct answer is (c) ei(x) The best I can explain: The integration of the given function is stored in MATLAB as ei(x) or exponential integration of x. This YIELDS a solution of an exponentially increasing series. HENCE, EVEN though it BECOMES an infinite series, it will be represented as ei(x) whenever we COME across such an integration.

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