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Significant digits in a matlab figure
plot(rand(1,20)) grid on xtickformat('%.3f')

1 year 前 | 1

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Convert datetime to numeric - preserve date format
Edited to work with datetime array vs a single datetime. d = datetime(['2023-02-27 14:00'; '2023-02-27 15:00']) % test data - r...

1 year 前 | 0

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Intersection of two tables
A = table(); A.user = ["user1";"user2";"user3";"user4"]; A.value = [10;20;30;40] B = table(); B.user = ["user3";"user4";"u...

1 year 前 | 0

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How do I plot 5e^(0.5t)sin(2*pi*t)
t1 = 0:10; e = exp((0.5)*t1); num6 = (5).*e.*sin((2)*pi*t1); plot(t1, num6, 'c') grid on You are plotting your exponential ...

1 year 前 | 1

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I want to disable a subsystem at time 30 secs where the simulation execution time is 50 secs.How this can be done
I would recommend reading this page in the documentation. You can drive the enable input with the output of a less than block c...

1 year 前 | 0

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How I would determine if a string contains multiple substrings?
myString = "This has some words in it."; if contains(myString, "This") && contains(myString, "some") disp Yes else d...

1 year 前 | 0

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How to plot a trajectory with varying colour?
Take a look at this Answer which shows a trick for doing this using surface. https://www.mathworks.com/matlabcentral/answers/50...

1 year 前 | 0

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why do i get the error using alpha too many output arguments, can anyoen help please.
You get this error because you haven't defined alpha before Matlab tries to execute this line of code CE = DE*cos(alpha); Sinc...

1 year 前 | 0

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How to solve this matrix equation
Since there are more equations than unknowns, there is no unique solution. A least-squares solution can be found using the \ op...

2 years 前 | 0

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How to add commented description on new scripts
Perhaps this answer will help you do what you want: https://www.mathworks.com/matlabcentral/answers/354093-generate-custom-new-...

2 years 前 | 0

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Move x-axis labels below the axis after relocation
I think we are going to need to see more of your code to figure out what is happening. It seems to work for me (I tried it in m...

2 years 前 | 0

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truncated plot displayed adding the size
figure('DefaultAxesFontSize',16) semilogy([45,45],[10^-5,1],'--r') hold on semilogy([80,80],[10^-5,1],'--r') xlabel ('x','Fo...

2 years 前 | 0

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How to call bash script in App Designer?
Read the documentation for this command: system

2 years 前 | 0

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Using 'while' loop to check if a file has been added to path
I would actually expect that your while loop wouldn't execute at all, since var.m is a standard Matlab command for calculating v...

2 years 前 | 0

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Shading between two plot lines, then removing the outline
x = 0:0.01:4*pi; % create some fake data to plot y1 = sin(x); y2 = y1 + 0.2*x; figure % hold all % plot(x,y1,'color',[0.8...

2 years 前 | 0

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How do I align decimal points in a table?
I think I found a solution. Use the Figure Space s = compose('%10.4f', 50*rand(5,1)); snew = cellfun(@(c) strrep(c, ' ', char...

2 years 前 | 1

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how can i show up to 6 periods of this signal only, while being able to see the top and bottom of the wave?
Check out this section of the documentation: zoom xon This can also be done interactively but it is harder to explain. See thi...

2 years 前 | 1

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Is there a function similar to "where"?
Yes it is called logical indexing. The exact details depend on what type of data you have. A plain numeric matrix, a table, a ...

2 years 前 | 1

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Calculate the difference between minimum values of a parabola and straight line (from a plot)
Maybe this? W = 60000; S = 28.2; AR=7; cd0 = 0.02; k = 0.04; RC=0.51; clalpha = 2*pi; Psl=741000; hv=0:1:10; cdminp=4...

2 years 前 | 1

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How would I plot the function p(x)=e^(-0.5x)*(4-x)-2 in the range of -2 to 10 as well as its derivative?
You had the '.' characters in the wrong place; they go right before the '*' to get element-by-element multiplies. x = -2:0.1:1...

2 years 前 | 2

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How to make a line-plot? Time series
Maybe this is what you are looking for. This isn't very pretty using the small sample dataset but maybe it will look better wit...

2 years 前 | 0

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I have simple divisions between integers and I always get another integer as the answer. But I want at least three decimal places. I am using MATLAB R2022b
How were B and C created? If they really are integers (e.g., class int32), then that is the expected result. The default type ...

2 years 前 | 0

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Arguments accept char, string or "cellstr" (cell array of char or string)
Interesting issue. Looks like you have to create a "custom validation function". See if something like this works for you. a ...

2 years 前 | 1

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How ro fix the "Error using alpha Too many output arguments"?
Did you mean this line tic;[flow2,energylist2]=mexDiscreteFlow(sift1,sift2,[alpha,alpha*20,60,30]);toc to actually be this ins...

2 years 前 | 0

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已回答
How to plot a variable increasing in a for loop
You should read this documentation page: Array Indexing Also, I would recommend taking the time to go through the online tutor...

2 years 前 | 0

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Variable as placeholder in an "fopen" statement
The way I would do this is this subject = "PO1"; folder = "/Users/addison/Documents/Data/"; filename = "Results2" + subject +...

2 years 前 | 0

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Extract data points from a plot corresponding to the plot legend
fig = openfig('ExampleData.fig'); % open and get a handle to the figure % get(fig); ax = get(fig, 'CurrentAxes'); % get handle...

2 years 前 | 0

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How can I create for loop on contourf and save plots somewhere?
I'm not sure I believe this data since we are seeing probablities of > 1 in some cases (perhaps an interpolation/extrapolation a...

2 years 前 | 0

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Loading data from .mat file and converting them to string array
You only save one variable into the mat file and its name is Grades. The syntax load('matfilename.mat', 'varname') tries to fin...

2 years 前 | 0

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How to split the last 4 elements in a column into a new column?
I'm not sure why you want to do this, or what you intend to do with the results, but here is one possible way using a cell array...

2 years 前 | 0