Stephen23

Active since 2014

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Answered
Extract data from struct array
"Since data(1:10).sys.sys1.sub1.dataPoint1 does not work.." First lets generate your sample structure: dt = 1/1000; T = 5; t...

en dag ago | 0

Answered
How to separate four columns on the basis of 5th column
format short G S = load('Dataset.mat'); D = S.Dataset Method one: ARRAYFUN: V = D(:,5); U = unique(V) C = arrayfun(@(x)D(x...

en dag ago | 0

Answered
Struggling with multiple csv files
"I don't have an idea how to correct these errors. Does anyone have an idea?" The error message already tells you how: "Check t...

3 dagar ago | 0

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Answered
How to create multidimensional array with specified row values
m = 6; n = 7; A = cumsum(ones(m,n),1) A = repmat(1:m,n,1).' A = (1:m).' * ones(1,n) A = min(1:n,(1:m).') A = repmat((1:m)....

3 dagar ago | 1

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Answered
Compile multiple matrices into one without listing them all out
"how can I do the above final line without typing all numbers up to 60?" The general approach is to use a comma-separated list:...

3 dagar ago | 1

Answered
using if statement to sort data by flags
"I need some code that will go through each pair of rows (e.g. row 1 and 2 then row 3 and 4 etc.) and check if they both have no...

8 dagar ago | 0

Answered
How do I fix Invalid use of operator in the Code
T = readtable('LP.xlsx') T.DT = datetime(T.Date, 'ConvertFrom','excel') + days(T.Time)

9 dagar ago | 0

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Answered
Most efficient way to put vector on the off-diagonal of the blocks of a block matrix
v = [1,2,3,4,5,6,7,8,9,8,7,6]; u = [9,8,7,6,5,4,3,2,1,2,3,4]; L = sqrt(numel(v)); vM = reshape(v,fix(L),[]); uM = reshape(u,...

10 dagar ago | 1

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Answered
natsortfiles is not working for .png files
This page turns up relatively high on some Google searches, so I might as well make some corrections: "S is a structure. First...

12 dagar ago | 1

Answered
Deleting elements of an array with consecutively occurring NaN values
A = [NaN,NaN,NaN,NaN,43,NaN,NaN,NaN,45,NaN,NaN,10,22,NaN,NaN,NaN,NaN,36,33,28,21,NaN,20,98,NaN,17,NaN,NaN,NaN,NaN,NaN,2,3,NaN,5,...

15 dagar ago | 2

Answered
Bringing plots to the "front" to make them more visible?
"s there a way to change the ordering so that it sits on top of the other data series like layers in photoshop?" Of course, use...

18 dagar ago | 0

Answered
Need guidance: Extracting variable and values from log file
str = fileread('Simulation_Results.txt') tkn = regexp(str,'(\d+):\s*(\d\S+)\s*\n[^\n]+:\s*(\d+)','tokens'); mat = str2double(v...

18 dagar ago | 0

Answered
Replacing sequences in matrix
A = [4,5,6,7,8,9,10,11,12,13; 104,105,106,107,108,109,110,111,112,113; 204,205,206,207,208,209,210,211,212,213; 304,305,306,307,...

19 dagar ago | 0

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Submitted

Number to Words
Convert a numeric to a string with the English name of the number value (GB/IN/US).

21 dagar ago | 20 downloads |

Submitted

Words to Number
Convert English number name/s written in a string to numeric value/s (GB/IN/US).

21 dagar ago | 7 downloads |

Submitted

Maximally Distinct Color Generator
Generate maximally distinct colors in an RGB colormap.

21 dagar ago | 36 downloads |

Answered
the conversion from data string to serial number
Yes, that is the wrong date.... it is also the wrong data type: why are you using deprecated serial date numbers? The DATENUM d...

21 dagar ago | 0

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Answered
Conversion from d:h:m:s:ms to seconds
"negating the days." I guess you really mean to ignore the days. format long G C = {'104d:11h:59m:38.934815s';'104d:11h:59m:3...

22 dagar ago | 0

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Answered
How to concatenate cells within cells
"Is there a simple way to do this?" Yes, CELLFUN and VERTCAT: X = {{1},{2},{3},{4}}; Y = {{5},{6},{7;8},{9;10}}; Z = cellfun...

22 dagar ago | 1

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Answered
Sort elements in cell array in descending order
fun = @(v) sort(v,'descend'); new_cell_array = cellfun(fun, cell_array, 'UniformOutput', false);

22 dagar ago | 0

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Answered
Question on datestr to datetime conversion
datestr(timeseries(i),formatOut) Most likely TIMESERIES is a serial date number, the use of which is also discouraged and most ...

22 dagar ago | 0

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Answered
Import data from a bad format
TEXTSCAN is very efficient, and imports numeric data as numeric (i.e. no fiddling around with text): fmt = repmat('%f',1,25); ...

22 dagar ago | 2

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Answered
Reading uneven datasets from .mat file
Assuming that: the fields are in the required order (otherwise: you can sort them using ORDERFIELDS). the MAT file contains on...

22 dagar ago | 0

Answered
Using logical array to extract data without reshape
Note that saving those huge lats&lons matrices is rather waste of space: you actually only need the first row/column. "Is there...

23 dagar ago | 0

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Answered
readtable disfigures the CSV file header
data = readtable('headerFile.csv','ReadVariableNames', true, 'VariableNamingRule','preserve')

23 dagar ago | 2

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Answered
Something wrong with "floor" or "fix" functions or it's my code?
"Something wrong with "floor" or "fix" functions" Nope, in fact those functions do absolutely nothing in your code. "or it's m...

23 dagar ago | 1

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Answered
Read CSV into table but not all of the columns
First lets create a fake data file: writetable(array2table(rand(1e5,50),'Variablenames',"V"+(1:50)),"test.csv") Now lets try s...

24 dagar ago | 0

Answered
Hello. This is my code and I keep getting the error "This statement is incomplete." several times throughout but can't find the mistake.
layers = [ ... sequenceInputLayer(numFeatures) lstmLayer(numHiddenUnits) fullyConnectedLayer(numResponses) regressio...

25 dagar ago | 0

Answered
Using string() on double values without automatic rounding?
Rather than slow NUM2STR and then STRING, for a scalar the simpler and more efficient approach is to just call SPRINTF: sprintf...

25 dagar ago | 1

Answered
What is the output after each recursive function call?
"I am confused what is meant by a function call in this case," A function call is every time a function is called. Usually func...

26 dagar ago | 1

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