Answered
How to write this for loop into while loop?
Something like this might do it k = 1; while k <= 9 x = k^2 k = k+3; end

11 years ago | 0

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Answered
Find multiple true in same row
Hint: >> A=[1 0 0; 1 0 1] A = 1 0 0 1 0 1 >> B = A==1 B = 1 0 ...

11 years ago | 0

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Answered
if statements, setting large numbers
The matlabish way: >> test = @(a,b) ( a>5 & b<5 ); >> test( [1;6],[6;1] ) ans = 0 1 >> test(6,6)...

11 years ago | 0

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how to use datestr?
With R2013a this is the way >> vec = datevec( now ) vec = 1.0e+03 * 2.0150 0.0050 0.0230 0.0070 ...

11 years ago | 1

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Answered
Use of Persistent Variables in Class Methods Producing Incorrect Result.
I reproduced the behavior with R2013a and it's not what I would have expected. However, whether it's _"incorrect results"_ depen...

11 years ago | 1

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How to use memoization in MatLab?
See <http://blogs.mathworks.com/loren/?p=19?s_tid=srchtitle Use nested functions to memoize costly functions>, search <http://ww...

11 years ago | 1

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How to use memmapfile for a very large structured binary file
This gave me a chance to try a complicated format. Result: filespec = 'usgsdems.dat'; % A sample file I found in the Map ...

11 years ago | 2

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Answered
divide a large text file into two text files
Alternatives * The free (as in beer) program <http://www.gdgsoft.com/gsplit/index.aspx GSplit> splits the file. I was able t...

11 years ago | 1

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Answered
how to convert a column of cells into string?
NaN is double >> class( nan ) ans = double replace Nan by *|''|* (empty string) >> alldata = {'abc', nan, '...

11 years ago | 1

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Answered
how i can take part of email address
... and with *|regexp|* >> regexp( 'baashe@hotmail.com', '(?<=@).+$', 'match' ) ans = 'hotmail.com'

11 years ago | 1

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11 years ago | 1

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Answered
Comparing vectors and determining unique values?
Try this script %% cac = { [1 0 3 4] [0 2 3 0] [0 2 0 4] [0 2 3 4] }; % ixa = ( 1 : numel(cac) ); % lin...

11 years ago | 0

Question

NetCDF or HDF5 or XYZ to provide time series data at the fingertips of the user
. *Question:* Have I done my homework well enough to choose HDF5 and stop thinking about alternatives? *One more question:...

11 years ago | 3 answers | 2

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answers

Question

Does the TODO/FIXME Report work with m-files in a package?
*This issue is resolved in R2013b* --------------------------------- Is the TODO/FIXME Report supposed to work without lim...

11 years ago | 1 answer | 0

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Question

Fastest way to search for a short vector in a huge array?
*Background* I have a 16GB text file, which is some kind of dump of a datacube. Each "observation" represents a measured valu...

11 years ago | 0 answers | 0

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Answered
how to find the largest power of 2 that a number is divisible?
Hint: >> factor(12) ans = 2 2 3

11 years ago | 0

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Answered
Question about the '@' symbol.
See <http://se.mathworks.com/help/matlab/matlab_prog/anonymous-functions.html Anonymous Functions>

11 years ago | 2

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Reading some part of a file
Replace formatspec = '%8c %6c %6c %d %64c %10c %d %d %s %s %s'; by formatspec = '%*8c %*6c %*6c %*d %*64c %*10...

11 years ago | 0

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Answered
How to identify a string and copy the value from the text file
This script str = fileread( 'cssm.txt' ); cac = regexp( str, '(?<=LMD\[q=1,d=2\][ ]+)[\d\.]++(?=[ ]+\%)', 'match','...

11 years ago | 0

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Answered
how to access cell array data with single for loop
C = cell( size(A)); D = cell( size(B)); for ii=1:length(A) C(ii) = A(ii); D(ii) = B(ii); end &nbsp *Add...

11 years ago | 2

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Answered
change the value in a matrix
Try >> B = A; >> B(abs(A)<=3) = 0 B = 0 4 0 0 5 -7 0 0 9 ...

11 years ago | 0

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Answered
How do I get the least used character in the text file ?
Here is a code based on *|histc|* %% ffs = 'GreatExpectations.txt'; fid = fopen( ffs ); buf = fscanf( ...

11 years ago | 1

Answered
Read one specific file name
Replace d=dir('TRMM_*_newntcl.csv'); by d=dir('TRMM_*01_newntcl.csv');

11 years ago | 0

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textread facing unexpected characters. Gives an error.
Try >> cac = cssm cac = {6x1 cell} [6x1 double] {6x1 cell} [6x1 int32] [6x1 int32] wher...

11 years ago | 1

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Answered
How can I create a structure from a cell array of strings and give it the initial value of zero?
Your goal is that to create a nested structure with hundreds of fields? %% x = cellfun(@zeros, a(:,3),a(:,2),'uni',f...

11 years ago | 0

Answered
I know this is a rookie question but its been years since I've used MatLab. I need to use p_r,p_p,p_s to calculate p_rn,p_pn,p_sn and then use those values in place of p_r,p_p,p_s in subsequent calculations and then store them all in a matrix.
_*The comment caused me to deleted my first answer.*_ *Caveat: I know next to nothing about Game Theory* *Assumption:* The...

11 years ago | 0

Answered
How do I access the complex text in an xml file?
A quick and dirty variant: str = fileread( 'cssm.txt' ) cac = regexp( str, '(?<=<Nextline name=")([^"]+)" value="([^...

11 years ago | 0

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Answered
Storing varying sized arrays in a single matrix
That isn't possible. However, you may _"store multiple different sized arrays"_ in a cell array cac = {[0 , 1],[0 , 0.5,...

11 years ago | 1

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Answered
Best way to parse text file
NOAA's National Climatic Data Center (NCDC) (and others) publish important data in text files, which cannot be easily read with ...

11 years ago | 1

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Answered
struct problem when dealing with different field types
_"implement a cell in a struct"_ &nbsp I'm not sure I understand. Hint: >> sas = struct('vec',[1:12],'string','abcdefg...

11 years ago | 1

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