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How can I take valid data points only and plot them?
Have you tried plot(serial_dates(valid_ararat),speed_ararat(valid_ararat)) ?

24日 前 | 0

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Why i am getting an empty plot?
You get an empty plot because you are plotting one point at a time (g and i are scalars). A line with one point doesn't show up ...

24日 前 | 1

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How to add error bars to multiple axes-plots?
One problem is that setting XLimMode to 'manual' can have the effect of changing the XLim. Example: % create a figure, axes, a...

24日 前 | 1

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Change the size and position on the screen of interative menu
menu does not support setting the position of the window. Here is a modified version, my_menu (attached), which does. (It's base...

24日 前 | 0

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create grid in polar coordinates
After constructing your x- and y-coordinates with meshgrid, you can use cart2pol to convert them to polar coordinates. x = 0:50...

24日 前 | 1

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It is necessary to sum the functional sequence F(t) by 'n', while at each step of summation it is necessary to take 'n' from another array n(t).
Redefine the function f_calc to take nD as its second argument. (You could also make nD a global variable.) See below: %% initi...

24日 前 | 1

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how to plot multiple graphs with same x-axis and y-axis?
You can try something along these lines: % create a tiledlayout for 3 plots, with no space between: N_plots = 3; t = tiledlay...

25日 前 | 0

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When I press ok button it automatically goes to command window.
Control switches to the command line because of your use of the input function here: money=money+input(ve); If you use inputdl...

25日 前 | 0

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Changing the amplitude of a chirp signal
The documentation for chirp explains how to set the parameters of a chirp signal: https://www.mathworks.com/help/signal/ref/chi...

25日 前 | 0

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Insert NaN into specific values
s=load('spi_dca.mat'); spi_dca = s.spi_dca; mask=spi_dca(:,4)==0; spi_dca(mask,4)=NaN;

26日 前 | 0

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How to add rows to string array using a loop
Try something like this: files = dir(fullfile(PDFfolder, '*.pdf')); L = length(files); DataCompiled = strings(L,4); %Prealloc...

26日 前 | 0

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Add a 45-degree line in a log-glog plot
Well, that's not a log-log plot; both axes are linear. The line does indeed have slope 1. It may not be apparent that the slope...

26日 前 | 0

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Code to handle excel using Matlab
Try this: % use the directory where your files are here: input_file_path = 'C:\2021_11_15\Inlet'; % use the directory where...

26日 前 | 0

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I am not able to fill with the color between 2 lines in matlab
Since x (and consequently y1 and y2) are column vectors, using fliplr does not have the desired effect. Instead you can use flip...

26日 前 | 2

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waitbar uifigure the message input argument cannot support the char '_'
One way: HdlWaitBar = waitbar(0,'Hello World A\_B\_C\_D...'); Another way: str = 'Hello World A_B_C_D...'; str = strrep(str,...

26日 前 | 0

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Table referencing using cell
% some (simplified) tables like yours: data = table({'a';'b';'c';'c';'a';'b';'b'}, ... [3;4;6;8;3;5;4],'VariableNames',{'C...

27日 前 | 0

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How to input corresponding data from separate matrices
A = [1 2 3 4 5 6 7 8 9 10].'; B = [ 2 3 1 7 9 10 4 6 5 8; 12 43 64 94 27 58 64 13 90 74].'; [ism,idx] = ismember(A,B(:,1)); ...

27日 前 | 0

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Labelling multiple plots of the same color with a single legend label.
You can set the HandleVisibility to 'off' in one of each pair of plot calls. figure hold on plot(1:10,1:10,'DisplayName','1',...

27日 前 | 0

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Why do I receive "All input arguments must be tables."?
EDIT: copyright code removed. Please do not post copyright code on this forum. Original source: https://www.mathworks.com/matla...

27日 前 | 0

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Delete rows with "-" in categorial colum
t = table(["some";"strings";"in";"this";"column"],categorical(["Autumn";"Summer";"Winter";"-";"Winter"])) idx = t{:,end} == "...

27日 前 | 0

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Plot with 'SeriesIndex' set to 1 forces all lines in the plot call to have the same color and not iterate the color order
matrix=linspace(0,1,100)'*[1:4]; matrix2=linspace(0,1,102)'*(0.5+[1:4]); figure; h1=plot(matrix); hold on; h2=plot(matrix...

27日 前 | 0

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How can I remove double values in an array
It's better to build C the way you want it from the start: A=[4, 3.40 ; 6, 3.20; 7, 5.50 ; 9, 6.13; 11, 7.18; ...

28日 前 | 0

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setting y axis to specific values
This is streamlined somewhat: %ymax max_left = max(left); max_right = max(right); if max_left < 50 && max_right < 50 y...

28日 前 | 0

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Matlab - How to plot 2 different columns of excel data for 2 boxplot under 1 x-axis label?
@Zhan An: This answer is essentially the same as what you're trying to do (plot two boxcharts for each x-tick): https://www.mat...

28日 前 | 0

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I want to move up my boxchart
You can create a single boxchart per boxchart call, with a single column of data, and set its X location as desired. To illustr...

28日 前 | 1

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parse error at x0
Looks like you are missing a single-quote at the beginning of each of your fprintf calls (and an "n" is missing in the last one)...

28日 前 | 0

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Error using fgets Invalid file identifier. Use fopen to generate a valid file identifier.
Specify the file names as absolute or relative path names. That is, instead of specifying just the file name "model.apm", if "mo...

28日 前 | 0

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open multiple pictures from a list with for loops
for i = height(StimulusList) should be: for i = 1:height(StimulusList)

28日 前 | 0

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Break array or timetable into smaller versions and find max value
Here's one way. This finds the first maximum value in each year (for each column of data), and stores the value and the date it ...

29日 前 | 0

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How to reduce its execution time and why the value of e is a column vector?
@Sadiq Akbar: OK. See below. Note that SigVec has T columns because of its pre-allocation, but that SigVec_est has one column b...

29日 前 | 1

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