Stephen23

Active since 2014

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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...

ongeveer 18 uur 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)....

ongeveer 23 uur 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:...

1 dag 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...

6 dagen 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)

8 dagen 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,...

9 dagen 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...

10 dagen 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,...

13 dagen 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...

16 dagen 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...

16 dagen 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,...

17 dagen 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).

19 dagen ago | 20 downloads |

Submitted

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

19 dagen ago | 10 downloads |

Submitted

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

19 dagen ago | 37 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...

20 dagen 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...

20 dagen 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...

20 dagen 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);

20 dagen 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 ...

21 dagen 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); ...

21 dagen 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...

21 dagen 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...

21 dagen ago | 0

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

21 dagen 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...

22 dagen 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...

23 dagen 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...

23 dagen 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...

23 dagen 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...

24 dagen ago | 1

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Answered
Sum of all even index elements of a 1D array
"Why does it output 'No numbers in even positions' when the length of the array is greater than or equal to three and odd?" Bec...

24 dagen ago | 0

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Answered
How do I separate a matrix that has a nested matrix in a cell before importing it to Classification Learner?
That does not seem like the best use of XLSX: storing lots of numeric data as long strings of text just makes processing the dat...

24 dagen ago | 0

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