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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')

2 months ago | 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 = ...

2 months ago | 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...

2 months ago | 0

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

2 months ago | 1

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Answered
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...

2 months ago | 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...

2 months ago | 0

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Answered
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',{'...

2 months ago | 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...

2 months ago | 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 ...

2 months ago | 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)) = ...

2 months ago | 1

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Answered
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...

2 months ago | 0

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

2 months ago | 1

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Answered
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...

2 months ago | 0

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

2 months ago | 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...

2 months ago | 0

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Answered
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 ...

2 months ago | 0

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

2 months ago | 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...

2 months ago | 0

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

2 months ago | 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...

2 months ago | 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 months ago | 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 months ago | 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 months ago | 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 months ago | 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 months ago | 0

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Answered
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 months ago | 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 months ago | 0

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Answered
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 months ago | 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 months ago | 2

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

2 months ago | 0

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