Stack Exchange network consists of Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share .Solving Equations with e and ln x We know that the natural log function ln x is dened so that if ln a = b then eb = a. The common log function log x has the property that if log c = d then.The Matrix Exponential with exercises by Dan Klain Version Corrections and comments are welcome. The Matrix Exponential For each n n complex matrix A, dene the exponential of . E A It’s the very first day since you left me E B And I tried to put my thoughts in a song E A But all I can hear myself singing is E B E I still can’t believe you’re gone A I still can’t.