Answered
detecting the existence of alphabetical elements
regexpr(str,'[a-zA-Z]')

11 years ago | 0

Answered
how I can replace diff(x(t), t) with xdot ?
syms t xdot; x = sym('x(t)'); f = sin(x); df = diff(f,t); subs(df,'diff(x(t), t)',xdot)

11 years ago | 0

Answered
large date/number/string text file reading to certain number of elements then ignoring end of line
To skip ret of the line use |'%*[^\n]'|: fid = fopen('test.txt'); fmt = ['%s%s' repmat('%f',1,10), '%*[^\n]']; out = ...

11 years ago | 0

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Answered
Too late to submit Negative feedback for R2012b !
I did test the R2012b_prerelease and I submitted my feedback as mentioned in the other post Aurelien linked. However, I am no...

11 years ago | 4

Answered
Obtaining same values at avery simulation using rand function
You can use |rng()| rng(1) rand(1,5) rng(1) rand(1,5) Or with your approach: s = RandStream('mcg16807'...

11 years ago | 0

Answered
Solving legend Problems in Matlab
mesh(v) mesh(probability) You forgot a |hold on| in between.

11 years ago | 0

Answered
Experiences with release 2012b
I already let TMW know but I'll be posting here as well: * I miss the previous edit configurations window. Now I have to crea...

11 years ago | 9

Answered
Mis match in comparing the values
http://matlab.wikia.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_.28or_similar.29_not_equal_to_zero.3F

11 years ago | 2

| accepted

Answered
Generating array of consecutive timestamps in double
I recommend to use MATLAB serial dates as produced by |datenum()|. Any manipulation with dates becomes much easier. The appearan...

11 years ago | 1

| accepted

Answered
Looking for a way to mask handle functions when calling methods or doc
*EDITED* Hide superclass methods using |Hidden| from <http://www.mathworks.co.uk/help/techdoc/matlab_oop/brjjv0d.html Method ...

11 years ago | 0

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Answered
Implementation of limits on the optimization results
Should it be b = zeros(size(A,1),1); An example problem (without nonlinear constraints): f = @(x) x(1)^2 + x(2)^2 +...

11 years ago | 1

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Answered
how to sum floating point elements of an array
"??? Subscript indices must either be real positive integers or logicals" It means you're doing something: a = 1:0.1:2...

11 years ago | 0

Answered
Generating index from end and start index
I recommend the nice submission by Bruno Luong: <http://www.mathworks.co.uk/matlabcentral/fileexchange/29854-multiple-colon mul...

11 years ago | 1

Answered
How to create a cell of strings from a vector?
Encapsulate |sprintf()| into |arrayfun()|: arrayfun(@(in) sprintf('%.0f', in), x,'un',0)

11 years ago | 0

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Answered
Memory overflown for the number to be saved
Using the <http://www.mathworks.co.uk/help/techdoc/matlab_prog/f0-42649.html#brchk1t look-behind operator> in regular expression...

11 years ago | 0

Answered
Issue using the writeVTK.m
Valid MATLAB functions are |fprintf()| or |sprintf()|. edit vriteWTK() And modify the call to printf into fprintf or spr...

11 years ago | 0

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Question

hggroup of text() objects and contextmenu
------------------------------------- *THE SITUATION* ------------------------------------- I am creating text labels ...

11 years ago | 1 answer | 0

1

answer

11 years ago | 0

Answered
Developing a MIN/MAX indicator.
Plotting on *|Close|* with window size 14. importfile('BundDaily.xls') period = 14; n = numel(Close); % Run...

11 years ago | 1

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Answered
How can i read a sequence of wave files?
<http://www.mathworks.co.uk/help/techdoc/import_export/br5wz4t.html#br7q_u6 Processing a Sequence of Files>

11 years ago | 1

Answered
I want to read a text file having strings and numeric data. Is there any better function than textscan?
Using textscan you can import one line and skip the next one (I save your example to test.txt). % Import lines which start wi...

11 years ago | 2

| accepted

Answered
I dont know how can i do it?
_[Answering to prevent delete and text of request to prevent edits]_ MANO GANAD writes: Write matlab code to compute the r...

11 years ago | 0

Answered
Problems creating function handle to method from user input text string during object construction
function classify(obj) % Should execute learner method specified by text string obj.learner ...

11 years ago | 1

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Answered
How can I assign a single value (index) for each point in a square?
You can use <http://www.mathworks.co.uk/help/matlab/ref/sub2ind.html |sub2ind()|> sub2ind([M,N], x,y)

11 years ago | 0

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Answered
How to extract leading non-zero digit?
Another solution based on regexp (from this <http://www.mathworks.co.uk/matlabcentral/answers/47429-what-does-some-symbol-in-reg...

11 years ago | 2

Answered
How do code for user input of text file name to be read?
use <http://www.mathworks.co.uk/help/matlab/ref/uigetfile.html |uigetfile()|> to get the name Use <http://www.mathworks.co.uk...

11 years ago | 0

Answered
How can I draw 3D graph from .xls file?
# Import the files with <http://www.mathworks.co.uk/help/matlab/ref/xlsread.html |xlsread()|> # Then plot the numeric matrix wi...

11 years ago | 0

Answered
Strange database toolbox behavior
The code looks correct, unless you're doing something that fetches most of the data (without storing it) before calling |grabInP...

11 years ago | 0

Answered
Is this a Possible MATLAB bug? (Further strange Behavior)
Equivalently function out = foo(in) in; end will throw the same error. If you call |a = foo(10)|, the functio...

11 years ago | 2

Answered
Pointer to MATLAB function?
An interactive way to create an anonymous function: % List of functions funs = {'cos(x).^2','sin(x).^2 + 9.*x'}; ...

11 years ago | 4

| accepted