Which fortran should i learn

New software is often written in other programming languages. Partly, this is because software nowadays focuses more on user experience than on computer power. This has led to a sharp decrease in the number of Fortran developers. When existing Fortran developers retire, change positions or temporarily need additional capacity for a software extension, it is often hard to replace them.

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Gerlof vertelt: nieuwe Kubernetes training! Try sending more of it to the GPU. Add a comment. Active Oldest Votes. So the questions you will need to ask yourself are: Is the speed of this function so critical that reimplementing it in Fortran is worth my time?

Is performance so important that my investment in learning Fortran will pay off? Improve this answer. Dietrich Epp Dietrich Epp k 35 35 gold badges silver badges bronze badges. Comparing these two languages based on the shootout is really flawed. At least one should use the same vendor. VladimirF: Yes, it is flawed.

I don't think there is a way to compare languages that isn't flawed. The language simplicity and the nice syntax of array operations. Show 4 more comments. The complete and correct answer to your question is, "yes, Fortran does hold some advantages". Jonathan Dursi Jonathan Dursi Pari Rajaram Pari Rajaram 1 1 silver badge 7 7 bronze badges. The Overflow Blog. Podcast The first ten years of our programming lives. Upcoming Events. Object oriented coding can be useful, especially with massive software projects, but it takes significantly more time to learn.

One has to learn abstract concepts like classes and inheritance. The paradigm of object oriented coding is very different from the procedural paradigm used in Fortran. Physicists generally have an understanding of how computers work and are inclined to think in terms of physical processes, such as the transfer of data from disk to RAM and from RAM to CPU cache. This is in contrast to mathematicians, who prefer to think in terms of abstract functions and logic.

It is also in contrast to the way one thinks about object oriented code. Optimizing object oriented code seems more difficult to me than procedural code. Arrays can be copied, multiplied by a scalar, or multiplied together quite intuitively as:.

Here, A, B, C are arrays, with some dimensions for instance, they all could 10x10x Almost all of the intrinsic functions in Fortran Sin , Exp , Abs , Floor , etc can take arrays as arguments, leading to easy of use and very neat code. Trying to feed an array into the wrong library function in C will return an error.

Having to use libraries instead of intrinsic functions means the resulting code is never as neat, as transferable, or as easy to learn. The following Fortran code shows a few more array features:. First a vector A is created using an implicit do loop, also called an array constructor.

Finally, array B is copied into array C, starting at element Fortran supports declaring arrays with indices that are zero or negative:.

Fortran also supports vector-valued indices. Fortran also incorporates masking of arrays in all intrinsic functions. For instance, if we want to take the log of a matrix on all of the elements where it is greater than zero we use. Improve this question. See fortranwiki. Apart from the above, I would recommend F90 then learning features as you will need them.

Based on your comments I would recommend you to evaluate this option. This might be dictated by the amount of legacy code you need to use - which would also dictate the version of Fortran you should learn.

Add a comment. Active Oldest Votes. Improve this answer. Aurelius Aurelius 2, 12 12 silver badges 18 18 bronze badges. I second that. How's Matlab? I need it for a course I'm taking next semester. R for statistical analysis. SQL for relational databases.