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error Unrecognized function or variable help me please :(!
That really is very bad data design: one single numeric array would be much better than storing lots of numeric scalars in a hug...

21 días hace | 0

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Put the separator every thousands
Here are some more interesting testcases (with both one hundred million as well as one billion): S = ["100000000";"1000000000";...

21 días hace | 0

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Is there a way to "vectorize" this segment of code?
S = string(randi([0,9], 5,4)) D = str2double(join(S,""))

22 días hace | 1

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Renaming group of files
P = '.'; % absolute or relative path to where the files are saved. F = 'image*.bmp'; % filename with wildcard and file extensio...

22 días hace | 0

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How to have a user select a file and then matlab automatically go into multiple subfolders and pull out a multiple text files and import them in as a table
Let DIR to do the work for you! DIR will happily search in subfolders for specific files, if you tell it to: P = uigetdir('C:\u...

22 días hace | 0

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How to use setvaropts for strangely-formatted text file
First lets see if READTABLE et al can ignore those space characters on a simple test file: type testformat.csv readtable('test...

22 días hace | 1

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Unable to comprehend "time" function output
"Is this output returning the difference between time components of calenderDuration function or only time duration between time...

22 días hace | 1

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Extract Numbers from Mixed string
B = 'single snap detector: 1 S2L:232867 S2R:3151621 S3L:0 S3R:0'; Method one: SSCANF: V = sscanf(B,'%*[^:]:%d') % very efficie...

22 días hace | 1

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How to call a separate function to a new program
"This was my attempt, that went poorly." The basic cause is your continued usage of INPUT everywhere, and hiding the function b...

23 días hace | 0

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Reading ping output using readtable
Here is an easy way to import all numeric data as numeric, and with minimal post-processing for the datestamp: T = readtable("t...

23 días hace | 1

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Where to store images on computer for imread
"Is this because the image is not stored in the right place on my computer.." The only "right place" is the location where you ...

23 días hace | 0

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How to solve " Error using vertcat Dimensions of arrays being concatenated are not consistent " problem ?
You probably think that your square brackets are creating a 4x1 vector. But they aren't, because of the random space characters...

24 días hace | 0

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How to fix broken function code?
Use array division here: s_2 = sum((x.*y)./(delta_y.^2)); % ^^ and here: s_5 = sum(x.^2./(delta_y.^2)); % ...

24 días hace | 0

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Excel to timetable, problem with datetime
"Can anyone see the reason?" The date format you are attempting to use does not match the dates given in the file text: there a...

28 días hace | 0

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How do I print coordinates in an (x, y, z) form?
r = pi; lambda = sqrt(2); phi = exp(1); fprintf('Our rectangular coordinates converted to cylindrical coordinates are (%0.2f,...

29 días hace | 0

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Replacing a field in an structure that is subset within a larger structure
If EVENT is non-scalar them you will get that error. The correct approach is to use a comma-separated list. Lets try it right n...

29 días hace | 0

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How to convert /map uint16 to int16 maintaining the dynamic range so that [0] and [2^16-1] in uint16 beomes [-2^15] and [2^15-1] without going through double
inp = uint16([-Inf,pi,Inf]) Method one: use INT32 for the intermediate values: off = int32(intmin('int16')); out = int16(int3...

29 días hace | 3

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get interpolated values from timetable
INTERP1 accepts DATETIME objects: dt = datetime(1990,1,1,[9;10],0,0); A = [36;28]; B = [12;24]; T = table(dt,A,B) newT = ...

30 días hace | 0

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Better way to combine number with fraction?
Note that you will need to use SPRINTF (or COMPOSE etc) to get the right output when NANOSEC has fewer than the full nine digits...

30 días hace | 1

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Use info in the row based on it being the max value
The second output from MAX is the index, you can use that: [maxDiameter,idx] = max(diameter); row = mat(idx,:)

alrededor de 1 mes hace | 0

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Files read with "dir" have additional (nondesirable) characters
S = dir('C:\Users\XXX\Desktop\...\*.csv'); S(startsWith({S.name},'.')) = [];

alrededor de 1 mes hace | 1

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Filtering the common rows between two matrices
A = [1,2,3; 4,5,6; 7,8,9] B = [1,2,3,90; 3,1,2,88; 4,5,6,17; 6,5,4,19; 7,8,9,12; 15,18,22,20] [X,Y] = ismember(sort(B(:,1:3),2...

alrededor de 1 mes hace | 0

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Handling Undesirable Characters in Numeric Columns When Reading a CSV File
You should NOT make changes to the original data file. fnm = 'p1.csv'; opt = detectImportOptions(fnm, 'FileType','delimitedtex...

alrededor de 1 mes hace | 0

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how to open a file from the previous folder
Note that there is absolutely no need to call PWD. Simply use '.' to refer to the current directory: relativePathToC = './../C'...

alrededor de 1 mes hace | 0

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Turning string into a variable name for a function to use
The basic problem is that you are LOADing directly into the workspace. You have already painted yourself into a corner. However,...

alrededor de 1 mes hace | 0

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Remove duplicate lines in a document
txt = fileread('filteredSatellites.txt') rgx = '([^\n\r]+)\s+(1(\s+\S+){8})\s+(2(\s+\S+){8})'; tkn = regexp(txt,rgx,'tokens');...

alrededor de 1 mes hace | 0

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Error: Unsupported use of the '=' operator. To compare values for equality, use '=='. To specify name-value arguments, check that name is a valid identifier with no surroundin
Get rid of the ellipses inside the square brackets of both macroLats and macroLongitudes: macroLats = [lots of numbers, -...

alrededor de 1 mes hace | 0

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Is it possible to identify variables in the workspace that contain a string and save the identified variable with another name?
Assuming that you are LOADing some MAT files, then the best approach is to avoid your situation entirely, for example by LOADing...

alrededor de 1 mes hace | 0

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padding an array with zeros in between elements
Assuming that A is sorted, here is a simple approach: A = [7,15,21,29]; B = A(1):A(end); B(~ismember(B,A)) = 0 If A is not s...

alrededor de 1 mes hace | 1

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Read and Sort Large Amount of Audio .wav Files
As far as I know, the only way to get get the correct order DATASTORE filenames without affecting other properties/attributes is...

alrededor de 1 mes hace | 1

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