how to get the exact value?

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Jinquan Li il 23 Feb 2021

Risposto: KALYAN ACHARJYA il 23 Feb 2021

I'm trying to use numerical Matlab approach tp find the integral of f = 5e^-t , for -1<t<2. Here's the code i tried:

f5 = @(t) 5*exp(-t);

q = integral(f5,-1,2)

The answer is

q =

12.914732726112163

The answer I expect is -5e^(-2)+5e. How can i get the answer in this format?

KALYAN ACHARJYA il 23 Feb 2021

See the Format

format shortEng

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