Kirby Fears

Con actividad desde 2015

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Obtain every possible combination in array
Here's a brute force generation of all combinations. Memory usage is more of a bottleneck than processing time, so I wrote it wi...

más de 7 años hace | 0

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Array manipulation: Suppose you have an array.How to take windows with overlapping along column and repeat to next doing same
Indexing and stacking as shown below will work for your example. Does this work for your real use case also? a = [1 2 3 4 5;...

casi 8 años hace | 0

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Using strcmp on multiple strings to get a logical array
There's really nothing wrong with a for loop in this case. However, cellfun is probably what you're looking for: Event = {'a...

casi 8 años hace | 3

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performance when copying data from object array to cell
Darim, Since you are not pre-allocating the *data* cell, Matlab is probably expanding the size of *data* iteratively. With pr...

casi 8 años hace | 0

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Re-synchronizing TEXTSCAN
dpb, I made a generalized solution to this problem some time ago for the constant questions about parsing delimited text file...

casi 8 años hace | 0

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How do I play sound when a key is pressed
Michael, This article describes how to record and play sound. https://www.mathworks.com/help/matlab/import_export/record-...

casi 8 años hace | 0

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How to have MATLAB 2016 Legend without box and as transparent?
SL, Check out the Matlab documentation on the legend function. Special arguments can be passed in as name value pairs when cr...

alrededor de 8 años hace | 0

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How to round a result to two decimal places
Mo'men, Check out the round function. r_rounded = round(r,2); % rounds to 2 decimal places Hope this helps.

alrededor de 8 años hace | 22

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How to save an image using imwrite with a filename from a variable
Hi Nalini, You can combine string values using square brackets. The syntax for imwrite using your variable names is as follow...

alrededor de 8 años hace | 3

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Write a function called mystaff that takes one input matrix called S. S is an n-by-m matrix whose elements are salaries. Salaries.xlsx Doesn't return a value How do I use my function to find average salary of principe: principle >= 140000.
Khalid, I suspect you are pressing the "Run" button with your function file open. Your function needs to return the final...

alrededor de 8 años hace | 0

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How can I change the number of MinorTicks between MajorTicks?
Hi Geovana, I think your questions is answered here: <https://www.mathworks.com/matlabcentral/answers/102945-how-can-i-speci...

alrededor de 8 años hace | 0

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Extract matrix subset based on latitude and longitude
Janet, These conditions are contradictory: all_time(:,1)<27.5 & all_time(:,1)>28.0 None of your values could be below...

alrededor de 8 años hace | 0

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Storing and accessing large amounts of time-based data
Hi Ben, You have discussed your ideas and questions regarding the Matlab data structures that allow for easy access and manip...

alrededor de 8 años hace | 2

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Sum of array items into another array
Assuming data is a struct with fields speed1, speed2, etc. sumArray = structfun(@sum,data);

más de 8 años hace | 3

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Error when running deployed stand-alone application that uses mex files for c++ code
That error is thrown because the <http://www.mathworks.com/help/matlab/ref/mex.html mex> command attempts to compile a c++ file ...

más de 8 años hace | 1

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Convert a table column of mixed data type to one data type
Jennifer, Here's an example using a cell mixed type cell array "Var1" in table "t". You should be able to solve your problem ...

más de 8 años hace | 0

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"Standalone Named User” license question
Speak to Mathworks support regarding the standalone named user license. They can convert it to a network named user license, whi...

más de 8 años hace | 1

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How to plot/use numerous values in single cell?
Brian, This example should be a good starting point. % Setting up some test data x = rand(40,3); data = cell(3,800...

más de 8 años hace | 0

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How do I make a MATLAB created table properly appear in EXCEL?
Brad, Each row of Make is a collection of strings that cannot be concatenated automagically. You can concatenate the strin...

más de 8 años hace | 1

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How to save table in workspace as txt/.m file in matlab ?
You can use *writetable* to write to a text file. writetable(data,'outputfile.txt'); If you really need this to be a .m ...

más de 8 años hace | 0

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Fastest Way of Opening and Reading .csv Files (Currently using xlsread)
Thankfully, you don't need to interact with Excel to read csv files. You can use <http://www.mathworks.com/help/matlab/ref/texts...

más de 8 años hace | 2

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Interleaving columns of two cell arrays
Here's a function I wrote for you. It contains a subfunction to create the interleaving index. Save this to interleaveCells.m an...

más de 8 años hace | 0

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modify all vectors in workspace
Joel, I will preface this by saying you really shouldn't have variables floating around your workspace without knowing their ...

más de 8 años hace | 0

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Different correlation results using matrix with NaN values
Falco, The documentation for corrcoef indicates that 'complete' is the 'rows' value corresponding to your first calculation. ...

más de 8 años hace | 0

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write cell array of strings in text file
filePh = fopen('features.txt','w'); fprintf(filePh,'%s\n',Strings{:}); fclose(filePh);

más de 8 años hace | 8

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save cell array of strings and doubles to excel file
You can write cells directly to the file. If you're using xlswrite, you should specify a target file with an .xls or .xlsx exten...

más de 8 años hace | 3

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Plotting vectors that connect
Brennan, Have you tried using <http://www.mathworks.com/help/matlab/ref/quiver.html quiver>? V = [0 2.0840 -8.6160 -0.58...

más de 8 años hace | 0

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I cannot get my code to output the letter grade as an array. Please help?
You can use a character array to store the letter grades for each score in order. % Here are some grades scores = [82,...

más de 8 años hace | 0

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I want to make several matrices from variables taken from user in a loop while performing some operation on them. I have attached a simplified code for my problem. So I want matrices from 1 to k but it is not working. Guide plz
Try this out. maxLoops = 10; % set this value matrixCollection = cell(maxLoops,1); % Initialize matrix collection for...

más de 8 años hace | 0

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How to write in a file, a random string from a cell ?
Joel, As the error indicates, fprintf() does not accept cell inputs. The conn variable is a 1x1 cell while the other inputs a...

más de 8 años hace | 1

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