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I am trying to convert the date data from the CSV file to datetime, but it shows error, how do I fix this
Looks like the format is 'dd-MMM-yy' rather than 'dd/MM/yy'. dates=datetime(dates,'InputFormat','dd-MMM-yy')

約2ヶ月前 | 0

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Help with time variation graphs versus time
Here's an example, using made-up data in a file that more-or-less follows your file's format as far as I can tell: file_name = ...

約2ヶ月前 | 0

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How do I point at certain columns in a .csv file and then run calculations on it?
You can modify the code as follows (specifying 9 header lines, and using only columns 2-4 of the matrix read): % appropriate di...

約2ヶ月前 | 0

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Two variable has the same array of 1 but the code show error
0,5 should be 0.5

約2ヶ月前 | 1

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How do I plot an integral which is repeated over an interval?
Make L a vector, use one element of L on each iteration of the for loop, pre-allocate alpha_bar_s before the loop to be the sa...

約2ヶ月前 | 0

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Run a calculation on multiple different .csv files and export the result
See my recent comment on a closely related question: https://www.mathworks.com/matlabcentral/answers/2156490-subtracting-matric...

約2ヶ月前 | 0

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doing operations on 1xN struct
Constructing a structure array: N = 2; S = struct('matrix_field',permute(num2cell(rand(3,3,N),[1 2]),[1 3 2]),'other_field',{'...

約2ヶ月前 | 0

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Subtracting matrices by column and performing a summation.
3xX indicates 3 rows and X columns, but your subsequent explanation describes a matrix with X rows and 3 columns. I'm going to a...

約2ヶ月前 | 0

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how to plot 4D figure to describe changing in ocean ?
"I try to plot with surf but give me the surface changing" How did you use surf, and what was wrong with the result? Have ...

約2ヶ月前 | 0

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Choose role of NaN when summing two matrices
Here's one way: aa=[1 2; 3 NaN]; bb=[NaN 1; 2 NaN]; tmp = cat(3,aa,bb); cc=sum(tmp,3,'omitnan'); cc(all(isnan(tmp),3)) = ...

約2ヶ月前 | 1

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embedding inset plots in subplots matlab
Supplying the tiledlayout t to nexttile (i.e., specifying nexttile(t)) seems to fix the problem. load my_data ym = 16; % De...

約2ヶ月前 | 0

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Matlab plots step response vs timestep number instead of time in seconds
plot(t,y)

約2ヶ月前 | 1

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Trying to use for loop to create an array of bandpass filters, but gets error "conversion to double from dfilt.df2sos is not possible"
Make bppf a cell array: bppf = cell(1,8); Then index bppf using curly braces instead of parentheses: bppf{i} = dfil...

約2ヶ月前 | 0

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how to parse text file read into cell array
filepath = '.'; filename = 'test.txt'; netlist = fileread(fullfile(filepath,filename)); % show the last part of netlist ...

約2ヶ月前 | 0

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Motion of a square
The code is OK, in the sense that it runs and presumably fulfills the requirements. However, there are some improvements that ca...

約2ヶ月前 | 0

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Compare char data in a cell {'x'} to a character 'x'
1. app.StimInputTable.Data = readtable(infile); That overwrites completely whatever was in app.StimInputTable.Data before (as ...

約2ヶ月前 | 0

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How do I ask the legend to add labels for multiple graphs
legend("Title"+(1:n))

約2ヶ月前 | 0

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merging two table cells?
Not possible to merge cells, but you can make multi-line column headers in a uitable that's in a uifigure, which may be good eno...

約2ヶ月前 | 0

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Is giving a space after comma in functions the convention?
Both are matters of preference.

約2ヶ月前 | 1

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How does MATLAB generate the probability density function?
PDFs are calculated from their definitions. They are not simulated. Example, calculating a standard normal PDF and comparing ag...

約2ヶ月前 | 1

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Error creating array with evenly spaced elements
Find the index of the element in F that is closest to 62.3: [~,id] = min(abs(F - 62.3))

2ヶ月前 | 2

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point inside an area
The coordinates in x_boundary and y_boundary don't specify the polygon you mean to specify, because the points are out of order....

2ヶ月前 | 0

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Error using plot Invalid data argument.
Try replacing x = t.ModelName; with x = categorical(t.ModelName); And run the code again. If that doesn't w...

2ヶ月前 | 0

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How to permanently hide the toolbar for an axes even after replotting
You can delete it, e.g.: delete(gca().Toolbar)

2ヶ月前 | 0

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Why won't my computer display the top of the output? Why does it cut if off?
Most likely the number of lines output to the Command Window exceeds the command window scroll buffer, which by default is 5000 ...

2ヶ月前 | 0

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How can I repeat row and column extraction of a matrix until the end of the matrix is reached?
M = rand(1015,2); incr = 145; m = size(M,1)/incr; n = size(M,2); newM = reshape(permute(reshape(M,[],m,n),[1 3 2]),[],m*n)...

2ヶ月前 | 1

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I am getting wrong results for the Continuous wavelet transform (CWT) on converting the frequency axis (Y Axis) from log scale to linear scale for the same frequency limits.
Use a surface rather than an image. A surface allows you to use arbitrary x and y values, whereas an image requires linearly spa...

2ヶ月前 | 0

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How to get a single output from a function with 2 inputs and 3 possible outputs depending on the choice made for inputs.
Here's one option: rot('x',pi/3); function rotmat=rot(axis,rotation) switch axis case 'x' rotmat=[ 1 ...

2ヶ月前 | 0

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How to provide a positive and negative value for the tolerance value?
"I want the tolerance value to be both positive and negative" Use abs. However, you also need to compare the current result wi...

2ヶ月前 | 2

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Eliminate Nan row in a large matrix
A(any(isnan(A),2),:) = [];

2ヶ月前 | 0

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