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i still routinely run into the problem w/ matlab where i type poo poo out like how it looks but matlab is like "what i dont know what to do with this" like i type out xy and matlab things it's a non-existant variable. ok whatever so i do (x)(y) and matlab doesnt know what to do because apparently nobody thought a math program should know please excuse my dear aunt sally instead i gotta do x*y and thats annoying as gently caress when x and y are both super long strings of poo poo that i have to type out
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Nov 16, 2014 23:42
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bobbilljim posted:hey OP enjoy you're 1-indexed arrays bitch also column-major arrays
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Nov 16, 2014 23:43
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i think visual studio owns i dont know if its just me being a dumb loving idiot but programming in it feels good. u type a lot quickly. u can also design good. much better than pure wysiwyg imho
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Nov 16, 2014 23:48
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Remember that brief like, week back in 2004 when YTMND was funny? This came after that. https://www.youtube.com/watch?v=2h6seJ3xjWA
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Nov 17, 2014 01:14
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Widdiful posted:i think visual studio owns i dont know if its just me being a dumb loving idiot but programming in it feels good. u type a lot quickly. u can also design good. much better than pure wysiwyg imho visual studio does own. but why does it take a half day to install?
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Nov 17, 2014 01:30
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akadajet posted:visual studio does own. but why does it take a half day to install? its slow on purpose to hype up the best programming experience of your life
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Nov 17, 2014 01:33
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lol if u need to do anythig more than sparse matrix diagonalization
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Nov 17, 2014 01:34
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bump_fn posted:lol if u need to do anythig more than sparse matrix diagonalization lol if u know what that means
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Nov 17, 2014 01:36
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bump_fn posted:lol if u need to do anythig more than sparse matrix diagonalization lmao if you don't
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Nov 17, 2014 01:37
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fritz posted:lmao if you don't is there any useful documentation on the actual functional diff between eigs and eigsh
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Nov 17, 2014 01:38
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bump_fn posted:is there any useful documentation on the actual functional diff between eigs and eigsh those are just arpack wrappers: http://www.caam.rice.edu/software/ARPACK/ eigsh is for symmetric/hermetian matrices, eigs is for general matrices
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Nov 17, 2014 02:05
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quote:The package is designed to compute a few eigenvalues and corresponding eigenvectors of a general n by n matrix A. It is most appropriate for large sparse or structured matrices A where structured means that a matrix-vector product w <- Av requires order n rather than the usual order n2 floating point operations. This software is based upon an algorithmic variant of the Arnoldi process called the Implicitly Restarted Arnoldi Method (IRAM). When the matrix A is symmetric it reduces to a variant of the Lanczos process called the Implicitly Restarted Lanczos Method (IRLM). These variants may be viewed as a synthesis of the Arnoldi/Lanczos process with the Implicitly Shifted QR technique that is suitable for large scale problems. For many standard problems, a matrix factorization is not required. Only the action of the matrix on a vector is needed.
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Nov 17, 2014 02:06
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Last update: May 27, 1998. A parallel version of ARPACK++ will be available soon.
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Nov 17, 2014 02:07
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bobbilljim posted:hey OP enjoy you're 1-indexed arrays bitch
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Nov 17, 2014 04:30
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Widdiful posted:its slow on purpose to hype up the best programming experience of your life lol
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Nov 17, 2014 04:42
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i use meatlab op for all my carnivore calculations.
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Nov 17, 2014 06:18
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Spime Wrangler posted:matlab is fantastic and important if you're training to become a Real Engineer and plan to work with other Real Engineers in a real make-physical-things industry and is way better than the alternative (excel or some terrible enterprise homebrew or literally nothing at all) Case in point: the only people who think that MATLAB is fantastic and important haven't used any of the alternatives Spime Wrangler posted:python is a pretty good general-purpose PL alternative to matlab, especially with numpy+scipy, and for stuff that's mostly code. it doesn't stack up in many respects, though. Look at this unsubstantiated bullshit. simulink is rad as hell, not gonna lie, but literally every other part of MATLAB is either complete garbage or just barely satisfactory and overshadowed by a superior alternative. The best way to use simulink is to generate C code so that you can stay as far away from MATLAB as possible
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Nov 17, 2014 07:21
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i don't think anyone seriously enjoys matlab, they just kinda tolerate it. julia's shaping up to be pretty useful for data science'y things, but having to constantly be all "oh i shouldn't vectorize this, it's much faster if i just write a for-loop and let llvm compile it to nice fast simd-optimized code" is both obnoxious and really cool at the same time i still think reading/writing vectorized code is easier. maybe that goes to show how badly matlab has warped my mind.
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Nov 17, 2014 09:46
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have you tried Devectorize.jl?
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Nov 17, 2014 10:16
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idgaf Im running matlab code right now and it works for me
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Nov 17, 2014 14:11
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Romulan Hippie posted:i don't think anyone seriously enjoys matlab, they just kinda tolerate it. nah vectorized code is cool idk poo poo about julia though why would it be faster to just do it in a for loop
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Nov 17, 2014 14:53
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Nov 17, 2014 15:36
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matlab is awful but has a long legacy and is p decent at doing what its supposed to, hth
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Nov 17, 2014 15:42
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QuarkJets posted:Case in point: the only people who think that MATLAB is fantastic and important haven't used any of the alternatives there are matlab toolboxes that are fantastic and important and have no alternatives interesting that you say the c is good, mex files aren't keeping you away from matlab
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Nov 17, 2014 16:04
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at least with national instruments they just want to sell you their hardware so they will provide you with drivers and some signal processing tools for literally any platform you can imagine
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Nov 17, 2014 16:05
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speaking of labview and matlab, the first piece of software i was paid to work on was in labview and it relied on a matlab script inside a vi using whatever their matlab clone was called (math script?) academia at its finest
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Nov 17, 2014 16:08
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fritz posted:Last update: May 27, 1998. lol
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Nov 17, 2014 16:15
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academics should have to apply for programmer time, not computer time. basically every bit of academic code if I've ever seen has been the worst. like, worse than mba excel pivot tables with vb macros.
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Nov 17, 2014 16:18
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Matlab is a horrendous dumpster fire of garbage
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Nov 17, 2014 16:24
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dsyp
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Nov 17, 2014 16:25
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fritz posted:those are just arpack wrappers: http://www.caam.rice.edu/software/ARPACK/ this is cool i meant in particular how the algorithm is different if it assumes the matrix is hermitian (for instance it gives the wrong eigenvectors if u give it a nonhermitian matrix and tell it its hermitian)
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Nov 17, 2014 16:29
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VLADIMIR GLUTEN posted:academics should have to apply for programmer time, not computer time. basically every bit of academic code if I've ever seen has been the worst. like, worse than mba excel pivot tables with vb macros. grad students would do it for free to get their name on a paper
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Nov 17, 2014 16:59
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i don't know what a matlab is op but im sure you are right and/or wrong
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Nov 17, 2014 17:13
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He's right
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Nov 17, 2014 18:26
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There seem to be a whole lotta people who make web pages and not actual products ITT having opinions on MATLAB.
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Nov 17, 2014 18:35
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Antillese posted:There seem to be a whole lotta people who make web pages and not actual products ITT having opinions on MATLAB. if you dont know whats being sold, you are
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Nov 17, 2014 18:39
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Antillese posted:There seem to be a whole lotta people who make web pages and not actual products ITT having opinions on MATLAB. Our product used to be matlab and was poo poo. Now it's all .net and c++ and actually makes money
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Nov 17, 2014 20:51
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same except numpy and cython with a little bit o c
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Nov 17, 2014 20:52
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'actual products' in this case are tangible goods such as fuel
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Nov 17, 2014 21:26
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matlab is a poo poo that needs wiping up
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Nov 17, 2014 21:50
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