Community Profile

photo

Guillaume


University of Brighton

7,102 2012 年以降の合計貢献数

Guillaume's バッジ

  • Scavenger Finisher
  • Thankful Level 1
  • 36 Month Streak
  • Master
  • Introduction to MATLAB Master
  • Quiz Master
  • Leader
  • Revival Level 2
  • Knowledgeable Level 4
  • First Answer
  • Puzzler
  • Creator
  • Scholar
  • Speed Demon
  • CUP Challenge Master

すべて表示

貢献した分野
表示方法

回答済み
Variable in Text [Matlab]
How can I implement variable to the text variable You don't! Numbered variables are always a bad idea. Instead you use indexing...

約4時間 前 | 0

回答済み
Import of tables from R where the first line describing the column names is one element shorter
Yes, readtable expects the variable name line to have a placeholder (DimensionName) for the row name column. I suggest you raise...

約6時間 前 | 0

回答済み
changing file name in matlab
Something like this should work: folder = 'C:\somewhere\somefolder'; %whichever folder contains the files filelist = dir(fu...

約6時間 前 | 1

回答済み
matrix mis-match
There doesn't appear to be any logic behind the choice of * vs .*, / vs ./, etc. If you don't understand the difference between ...

3日 前 | 1

回答済み
multiply two series of vector in loops
Assuming R2016b or later: result = MA .* permute(MB, [3, 2, 1]); will give you a 3D matrix, where result(i, :, j) is MA(i, :) ...

3日 前 | 0

回答済み
How can i move excel sheets in the same file
This should do the job: function reordersheets(excelfile) %excelfile: full path of excel file whose sheet are to be reorde...

4日 前 | 0

| 採用済み

回答済み
Calling function described in actxcontrol inside parfor loop
I'm not entirely sure what you mean by "It doesn't exist inside the script as it is, but this function is a component of actxcon...

5日 前 | 0

回答済み
mkdir and simulations problems
As far as I can see the problem has nothing to do with matlab expertise but is a failure in your logic. You create a folder nam...

5日 前 | 0

回答済み
How to extract elements from each dimension of a 3D matrix and put it in a vector.
Sure, you just have to type the same code 91 times... As you can guess, that's not a viable approach. If you start numbering va...

6日 前 | 0

| 採用済み

回答済み
Add a value to an element in a matrix
Cause is a specific problem where I need to add that values of S just in these columns of A Then, this should work: A(S(1, :) ...

6日 前 | 0

| 採用済み

回答済み
How to divide timeseries data into seasonal variation
Note that if you're indeed using timeseries, you may be better off using timetables instead. They're slightly easier to use and ...

6日 前 | 0

回答済み
FileCopy does't work
I don't remember the details of your previous question, but clearly the code I gave you is meant to work with data imported a pa...

6日 前 | 0

回答済み
"Reference to non-existent field" Error
Well, yes, you never use the input parser to parse your input, so the Results never get populated. p.parse(system); after you'...

7日 前 | 0

| 採用済み

回答済み
load C/C++ DLL on a computer without internet access
Most likely, the library is C not C++. They're two very different things and loadlibrary cannot load C++ dlls. You can generate...

8日 前 | 0

回答済み
Some number inputs do not work with code while others do.
You can see in your screenshot that both mass and acceleration are text not number. While you can indeed multiply two strings to...

8日 前 | 0

| 採用済み

回答済み
Problem with for loop within a loop of a loop
Probably, the biggest source of slow down is the lack of preallocation of u. As a result, it grows one column at a time, necessa...

8日 前 | 1

| 採用済み

回答済み
Using an array of indexes to index an array
Note that if you didnt' preallocate finalImage before the loop, your code will be slow indeed since finalImage would be realloca...

8日 前 | 0

| 採用済み

回答済み
Raising a matrix to a power
The problem is not the .^0.5, it's the ^2, which probably should be .^2. Note that x.^0.5 is the same as sqrt(x). However, If T...

8日 前 | 0

回答済み
Conversion to double from cell is not possibel
Whatever T is, it's very likely that: T(j, 2:10) = a_table is going to be an error. Now, I wouldn't expect that line to thro...

8日 前 | 0

回答済み
How to estimate the summation equation quickly in Matlab?
If I've understood your formula correctly: returns = readtable('PC Example.xlsx'); %read the data [year, month] = ymd(return...

8日 前 | 0

| 採用済み

回答済み
How to view Figure source code?
There is no source code for a figure that you can view (the figure creation code was probably originally written in C, C++, Java...

8日 前 | 0

回答済み
Undefined function 'diff' for input arguments of type 'table'
As I've told you already, read the documentation, in particular Access data in tables. As explained on that page, () indexing ...

8日 前 | 1

| 採用済み

回答済み
How to resolve this error Error using fprintf Function is not defined for 'cell' inputs.
This is how I'd do it: hstr = cellfun(@(v) strjoin(compose("%d", v), " "), h); %convert each vector in h into a string [row, ...

8日 前 | 0

回答済み
Programatically creating an anonymous function that separates "Variables" and "Parameters"
Thinking a bit more about it, metaprogramming in matlab can often only be achieved by using the dreaded eval. This is a rare cas...

9日 前 | 2

回答済み
Programatically creating an anonymous function that separates "Variables" and "Parameters"
You won't be able to do this with just anonymous functions, they're too limited in matlab (no multiple statements, no branching)...

9日 前 | 0

| 採用済み

回答済み
What do the empty square brackets [] do in the expression executed by eval?
The same as they always do, concatenate whatever is inside the bracket. model must contain a char vector, so it just appends (0,...

10日 前 | 0

回答済み
MATLAB doesn't let me plot 3 graphs in the same plot
Matlab plots exactly what you ask it. plot(tm,ve(i+1),'green') will plot the scalar value ve(21) (since after the loop i is 20...

10日 前 | 2

回答済み
matrix dimension reshape error
i had expected to have dimension error in line 6 but it did not I would expect an error if the if condition is true when n <= 2...

10日 前 | 0

解決済み


Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

10日 前

回答済み
Best way to create a matrix of points?
A=[-5 -4.5 1.5 2; -5 -4.5 2 2.5; -5 -4.5 2.5 3; -4.5 -4 1.5 2; -4.5 -4 2 2.5; -4.5 -4 2.5 3]; points = unique([A(:, [1, 3]); ...

10日 前 | 0

| 採用済み

Load more