Conjugate gradients (CG) is one of the most widely used algorithms. There are several reasons behind its popularity. What’s taught in schools about CG is a pseudo-code of 5 ste
The topic of global warming has transformed during the last decades from a vague scientific hypothesis to a fierce political debate. Today, there are strong reasons to believe the
Very insightful tutorial on reverse time migration (RTM) by Etienne Robein. RTM is one of the most sophisticated migration techn
I had a good time attending this year’s SEG convention.
In case you ever had to solve an optimization or inverse problem, you probably had to deal with the concept of adjoint operator. Beyond the mathematical definition, I lacked an i
In this post, I reflect on an article I enjoyed reading lately, written by Alan Turin in 1950. I learned that this is one of his most important works, as it sets the foundations of
“And so it turned out that only a life similar to the life of those around us, merging with it without a ripple, is genuine life, and that an unshared happiness is not happiness
I have two children, one of whom is a son born on a Tuesday. What is the probability that I have two boys?
My first reaction after reading this in the ScienceNews website was: