This may be useful if any of the vectors contain NaNs. % size as R having true values for those positions that originate from an % = PADCAT(.) will also return a logical matrix TF with the same
% will be a MaxL-by-N matrix, where MaxL is the length of the longest % row vectors, M will be a N-by-MaxL matrix and for column vectors, M % The size of M is determined by the length of the longest vector. % have the same lengths, and shorter vectors are padded with NaNs.
% that is, they are all row or column vectors. All vectors should have the same orientation, , VN) concatenates the vectors V1 through VN % PADCAT - concatenate vectors with different lengths by padding with NaN Here is the current version: function = padcat(varargin) However, it uses some smart concatenations and indexing tricks to create said matrix very efficiently. In essence, it automates what you proposed to do manually. In addition to occasional contributions to MATLAB Central, he blogs sporadically on his personal site.Jos van der Geest submitted a popular and indeed very nice utility for this on the MathWorks File Exchange - padcat. Matthew Simoneau is a developer at The MathWorks focused on technical communication and social computing. The new version fixes both of the disadvantages mentioned above and allows greater flexibility in your M-file storytelling. Converting FITDEMO into a function allows us to include FITFUN in it as a nested function. In MATLAB R2008a, we made it possible for PUBLISH to handle not just scripts, but functions too. You also now have two source M-files to manage, so functions like GRABCODE won’t work as well. Because FITFUN is displayed as the output from TYPE, it is just gray text without syntax highlighting. This works fairly well, but there are a couple disadvantages to this technique. Because FMINSEARCH requires a function to optimize, FITFUN needs to be defined in a separate file and included into the narrative with TYPE. An example of this is one of the demos included in MATLAB, Optimal Fit of a Non-linear Function, or FITDEMO. These two worked against each other to make it difficult to tell a story with M-file publishing that relied on another function.Ī good workaround to this problem is to use TYPE or DBTYPE to display the secondary function. One of the limitations of the MATLAB language is that you cannot define a function from within a script. Until MATLAB R2008a, PUBLISH only worked on scripts.
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