Why is Singapore currently considered to be a dictatorial regime and a multi-party democracy by different publications? I'm not sure this is the most elegant way to achieve the Connect and share knowledge within a single location that is structured and easy to search. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. Would it be possible, given current technology, ten years, and an infinite amount of money, to construct a 7,000 foot (2200 meter) aircraft carrier? You can loop over all the cells. What is the difference between char s[] and char *s? MATLAB Convert cell to double and concatenate or reshape into one column. Example: The translation of this is 16:43:20.128 to 13 decimal points. Ready to optimize your JavaScript with Rust? this is why I added the "note" at the bottom - your solution is more "Matlab"ish than mine, but at a small cost of run-time @Shai I don't think it's more "Matlab"ish :) it's just shorter (and currently slower), It is very difficult not to give you a -1 for an, The slip of tongue was not by chance :). @Farman Shah: you have not told us what is in the cell array, so we have no idea what the data is, that needs to be converted into double or extracted into a double array. {[16]} {[43]} {[20]} {[1.283507717200000e+12]}, {21 double} {21 double} {21 double} {21 double}, 1.0e+12 *
midnight. Also I was somewhat misled by one of Jonas's solu Example: The translation of this is 16:43:20.128 to 13 decimal points. I have a cell array full of data (We'll call A) that I need to get into an array. Better way to check if an element only exists in one array. So your, "I need to assign an array of number into a table variable names". If so, then. your location, we recommend that you select: . Is it illegal to use resources in a University lab to prove a concept could work (to ultimately use to create a startup). Based on It works out great.. previously I also tried using sprintf('%11.0g',x). NewKeySetStr 17 views (last 30 days) Wesley on 18 Apr 2016. Find centralized, trusted content and collaborate around the technologies you use most. https://au.mathworks.com/matlabcentral/answers/1638135-convert-double-to-cell-array, https://au.mathworks.com/matlabcentral/answers/1638135-convert-double-to-cell-array#answer_883870, https://au.mathworks.com/matlabcentral/answers/1638135-convert-double-to-cell-array#comment_1959735, https://au.mathworks.com/matlabcentral/answers/1638135-convert-double-to-cell-array#comment_1959850, https://au.mathworks.com/matlabcentral/answers/1638135-convert-double-to-cell-array#comment_1961155. Choose a web site to get translated content where available and see local events and I propose 5 additional solutions, three of which are 4-5x faster by than the solutions proposed so far. Convert double to cell array. Example: The translation of this is 16:43:20.128 to 13 decimal points. You also can use the {} operator to create an empty 0-by-0 cell array. To add values to a cell array over time or in a loop, create an empty N -dimensional array using the cell function. String arrays provide a set of functions for working with text as data, i. offers. I just need the integers to be used as keys for another container map. MATLAB treats any non-zero value as 1 and returns the logical AND. the elements inside the cell array are type of double , but i want them to be type of char like this : i tried to convert them with num2str but i get the error Undefined function 'abs' for input arguments of type 'cell'. I've read some data from a text file using textscan and managed to create a 1x6 cell array, the first column of which includes a time stamp, though not in the format I require. Some of these things can be converted to double with one tool: like the '1' could use str2double, but the [2] couldn't because it's not stringlike so str2double wouldn't make senseand the datetime you might convert to double with year, or datenum, depending on what you wanted.The struct and other cell would be really tricky, and cells If you explain what your data is like, then we can help you get the answer that you need. Choose a web site to get translated content where available and see local events and This function is the simplest method. tm = duration(T{:,1},T{:,2},T{:,3},T{:,4}*1e-10, milliseconds(tm - duration(16,43,20,128.3507717000)), I guess the first question, then, is is your timestamp format correct, and if so, is it truly accurate to that number of decimal places? Connect and share knowledge within a single location that is structured and easy to search. MathWorks is the leading developer of mathematical computing software for engineers and scientists. You are still dealing with some very small numbers, '1643201283507717200 1643201283507717300', You may receive emails, depending on your. Other MathWorks country Does balls to the wall mean full speed ahead or full speed ahead and nosedive? https://in.mathworks.com/matlabcentral/answers/1638135-convert-double-to-cell-array, https://in.mathworks.com/matlabcentral/answers/1638135-convert-double-to-cell-array#answer_883870, https://in.mathworks.com/matlabcentral/answers/1638135-convert-double-to-cell-array#comment_1959735, https://in.mathworks.com/matlabcentral/answers/1638135-convert-double-to-cell-array#comment_1959850, https://in.mathworks.com/matlabcentral/answers/1638135-convert-double-to-cell-array#comment_1961155. Should teachers encourage good students to help weaker ones? Find the treasures in MATLAB Central and discover how the community can help you! At what point in the prequels is it revealed that Palpatine is Darth Sidious? Yeah i tried it with your input and perfectly worked .In my case i have a 1x5 cell array and every element of the cell array is 1x4 double .Maybe this helps? I think it would be best to go back to the original textscan operation and implement changes there to capture this as separate HH, mm, ss, and ms. You will still have the challenge of capturing milliseconds accurately to 13 decimal places, but at least here all the numbers are still correct. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content, How to convert a std::string to const char* or char*. Find the treasures in MATLAB Central and discover how the community can help you! sites are not optimized for visits from your location. Other MathWorks country sites are not optimized for visits from your location. Modified 10 years, 9 months ago. Introduction to Cell to String MATLAB. Do bracers of armor stack with magic armor enhancements and special abilities? How do you convert a byte array to a hexadecimal string, and vice versa? that is important, I think I would do the following. '2' a = randi ( [1 5],200,1); Find the unique elements in the vector. Return the index vectors ia and ic. [C,ia,ic] = unique (a); Count the number of times each element in C appears in a. Specify ic as the first input to accumarray and 1 as the second input so that the function counts repeated subscripts in ic. 2 d fir filter design in matlab. Find the treasures in MATLAB Central and discover how the community can help you! Also I was somewhat misled by one of Jonas's solutions, which didn't evaluate all sprintf calls in the for loop. However, you are again limited to just 9 decimal places, and you will again not have 13 decimal places of precision. Reload the page to see its updated state. Why do quantum objects slow down when volume increases? Matlab: Converting a double vector array to string cell array. How to convert the elements of a cell array from double to char? WebThis function is the simplest method. The problem with converting the entire timestamp to seconds is you end up making your number even larger. Based on 1 Answer. This has to do with how floating point numbers are stored digitally. How could my characters be tricked into thinking they are on Mars? Any ideas on how I would do this? Choose a web site to get translated content where available and see local events and Edit: also added the new 2016 string functionality suggested in the comments. Did neanderthals need vitamin C from the diet? Other MathWorks country , basically meaning that i cannot use the function num2str for cell arrays. C = num2cell (A,dim) splits the contents of A into separate cells of C , where dim specifies which dimensions of A to include in each cell. If that doesn't work this is a way to reformat the data. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Yay, mine is the slowest! Based on Reload the page to see its updated state. But how did we end up talking about performance here? Convert double to cell array. I've read some data from a text file using textscan and managed to create a 1x6 cell array, the first column of which includes a time MATLAB enforces rules on the use of each of these variables MATLAB variables may also be strings, which are matrices of individual characters. This has to do with how floating point numbers are stored digitally. @Farman Shah: you have not told us what is in the cell array, so we have no idea what the data is, that needs to be converted into double or extracted into a double array. S {3} = 1 2 5. MathWorks is the leading developer of mathematical computing software for engineers and scientists. The easiest way I can think of, if you know where the data is you want, is to simply use cell2mat. Converting from a string to boolean in Python, Sort array of objects by string property value, Converting 'ArrayList
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