Stephen Cobeldick

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7,351 2014 이후 총 참여 횟수

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Apply a change on all the double variables of a .mat file at once
"Do you have any idea on how I can apply a change on all the double variables of a .mat file at once." Easy: load into an outp...

약 9시간 전 | 0

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Interactive Regular Expression Tool
Develop and refine regular expressions in an interactive figure that shows all of REGEXP's outputs.

약 20시간 전 | 다운로드 수: 15 |

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make a matrix from a structure field.
Where S is the name of your structure: out = vertcat(S.ch_nme2) https://www.mathworks.com/help/matlab/matlab_prog/comma-separa...

약 20시간 전 | 1

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Resolving Matrix dimensions must agree
Use strcmp or strcmpi to check if two text strings match or not: if strcmp(A,B) Alternatively you could use one switch stateme...

2일 전 | 1

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read a large number of hdf5 files with for loop and store in new variables
"I want to make new variables as I have some post proccesing manipulation to do on these data." You might want to do that, but ...

2일 전 | 0

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How can I make the difference or subtraction between two scalar vectors?
x1 = [1,2,5,8]; x2 = [2,1,0,6]; setdiff(x1,x2) https://www.mathworks.com/help/matlab/set-operations.html "and do we choose v...

2일 전 | 0

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How to convert cell array to float array?
M = [... as a numeric matrix (e.g. CELL2MAT or STR2DOUBLE) 0 1 0 0 0 0 1 0 0 0 0 0 1 0 1 1 1 0 1 1 1 0 1 1 1 0 0 1 0 1 1 1 0 ...

2일 전 | 0

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How to internally change decimal separator while importing data from a csv?
Do NOT use CD to access data files: it is more efficient to use absolute/relative filenames (with FULLFILE). To import a CSV (a...

2일 전 | 1

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Concatenate 3-D matrix in a for loop
Where C is a cell array containing all of your arrays: out = cat(1,C{:}); https://www.mathworks.com/help/matlab/matlab_prog/co...

2일 전 | 0

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why is the variable order in a user defined function important in lsqnonlin optimisation?
"Why does the order in the self defined function important for lsqnonlin fitting?" In some languages inputs can be specified by...

3일 전 | 1

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Finding and reporting the variable (Single number) of several with the largest value
The MATLAB approach is to use vectors/matrices (which is where the name MATLAB comes from): V = [0.0076,0.46,0.05]; C = ["A","...

3일 전 | 0

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Comma separated function output requests
Is this documented? [A{1:2}] = myone(1,2,3,4) % okay [B{1:1}] = myone(1,2,3,4) % okay [C{1:0}] = myone(1,2,3,4) % NARGOUT==0 ...

3일 전 | 1

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how can i avoid Nan in matlab expression and return 0
"if X is positive it must give 10, If X is negative it must give 5, If X is zero, it must give 0." X = randi([-3,3],1,9) % rand...

3일 전 | 0

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Sorting operation on a string matrix
s = ["1 9:53.3"; "3 9:23.5"; "5 2:16.2"; "2 2:45.6"; "4 12:01.2"]; [~,X] = sort(str2double(extractBefor...

3일 전 | 1

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Assigning strings from struct variable
Use a comma-separated list: https://www.mathworks.com/help/matlab/matlab_prog/comma-separated-lists.html https://www.mathworks...

4일 전 | 2

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Textscan Importing Multiple Inputs From One Text File
S = readlines('ResultA3forMatlabv2.txt'); F = @(s)sscanf(s,'%f,'); C = arrayfun(F,S,'uni',0) C{1:3} % the first few lines

4일 전 | 0

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Print output if elements of a list match values in a column
A = [1;2;3;4;5;6;7;8;9;10]; B = ["A";"B";"C";"D";"E";"F";"G";"H";"I";"J"]; e = [3;6;8;10]; C = ["A";"A";"B";"F";"D";"H";"C";"...

5일 전 | 0

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Why this code gives error?
Exactly as the plot documentation shows, the LineSpec must come directly after the X/Y data: plot(f,20*log10(FFT_abs/max(FFT_ab...

5일 전 | 0

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Hyphenate
Word hyphenation using Franklin Mark Liang's algorithm (aka Knuth-Liang algorithm). Used in TeX.

7일 전 | 다운로드 수: 3 |

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Save several results from recursive function
In my experience by far the easiest way to achieve this is to use a nested function, something like (pseudocode): function out ...

7일 전 | 0

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Why can't I put the 1x3 matrix into 1x3 variable?
"Why?" Because the square brackets have different meanings on the Left Hand Side (LHS) and Right Hand-Side (RHS) of the equals ...

7일 전 | 2

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How to use the parameters of other functions within the ‘cellfun’ function?
https://www.mathworks.com/help/matlab/math/parameterizing-functions.html f = @(a)smoothdata(a,'movemedian',100); x = cellfun(f...

9일 전 | 0

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I would like to compile a text string for each one of the three index of two given arrays
Simpler with compose: XX = [1,2,3,4.96875]; YY = [3,2,1,0]; fmt = "&DEVC ID=''vel_%g'', QUANTITY=''VELOCITY'', ABC=%d,0.0525,...

9일 전 | 0

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Next Available Filename
Returns the next unused file or folder name. The name is created by incrementing a numbered suffix.

9일 전 | 다운로드 수: 12 |

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compare two vectors then insert missing element
Simpler: A=[ 1.000 0.5860 0.01403 2.500 0.7395 0.01277 3.500 0.8450 0.01146 4...

9일 전 | 0

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Taking a string from a string array then identifying the characters within that string
A string array is a container class: it contains character vectors. Use curly braces to get the character vectors: w = ["aisle"...

10일 전 | 1

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How can I use inputdlg() to store multiple variables and then use those variables in equations for later?
>> C = inputdlg(["m","b","k","x1","x2","F","w0"]) C = 7×1 cell array {'1.2'} {'2.3'} {'3.4'} {'4.5'} ...

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Problem with vertically Concatenating vectors in a function
Rather than using a loop, a much better use of MATLAB would be to use comma-separated lists: https://www.mathworks.com/help/mat...

10일 전 | 0

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How to create table from struct array
Note that mixing up meta-data (the date) into fieldnames forces superfluous nesting of structures. This poor data design has alr...

11일 전 | 0

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Smallest positive number in MATLAB
eps(0) returns the smallest positive non-zero floating point number, which is denormal: format hex eps(0) Normal and denormal...

11일 전 | 2

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