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How can i use a "list of variablennames" to calculate something?
I have a list that contains all the variables. The approach you described smells a bit bad. Can you dynamically create or refe...

4 years ago | 1

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Applying within range function
The withinrange function requires its first input to be a timetable, not a datetime array. You probably want isbetween instead.

4 years ago | 0

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Calling MATLAB scripts from a MATLAB standalone executable
No. From the documentation "MATLAB Runtime only works on MATLAB code that was encrypted when the deployable archive was built. ...

4 years ago | 0

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Matlab App Designer displays an array of numbers when the variable in question is a double
Instead of using an EditField (whose Value property is the text the user entered in the field according to the documentation) yo...

4 years ago | 0

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Speeding up fread for random position in big file
Since your data is Big Data (too large to fit in memory all at once) you may want to investigate creating a datastore for your f...

4 years ago | 0

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Unit test code coverage
Add matlab.unittest.plugins.CodeCoveragePlugin to your test runner as shown on this documentation page.

4 years ago | 0

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How to use File exchange
Instead of manually downloading the File Exchange submission try using the Add-On Explorer to have MATLAB automatically download...

4 years ago | 0

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matlab installer key is not working what to do ?
Please create a service request and work with the Technical Support team to determine why the installer is not performing as exp...

4 years ago | 0

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Checking if columns of matrix are equal to some array
Transpose the matrix and use ismember with the 'rows' option. rng default x = randi([0 1], 10, 3) candidate = [1 0 1] isItPr...

4 years ago | 2

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out of memory error
The maximum number of rows you can have in a matrix in MATLAB is the second output of the computer function, and you're unlikely...

4 years ago | 0

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Import data into datetime format
Consider opening the file in the Import Tool. Using this tool you can interactively adjust how MATLAB imports each column of you...

4 years ago | 0

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How to generate a multi-dimensional array from a vector ?
Let's make the 5-by-5-by-5 multiplication table. x = (1:5).'; maxdim = 3; % Initialize the result to the vector itself res...

4 years ago | 2

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Answered
Why the result in curve fitting tool shows a different graph in plot?
The values that are displayed are not the same as the values that are stored in the object. The displayed values only show four ...

4 years ago | 2

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What is the difference between backward slash vs forward slash in MATLAB?
A=[4,12;6,8]; b=[6,12;14,8]; From the documentation for mrdivide, /, if x = A/b then x*b should be close to A. x1 = A/b chec...

4 years ago | 2

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retime different variable for different methods
Looking at the documentation page for the retime function, the description of the method input argument states that it must be "...

4 years ago | 0

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How do I solve Check for incorrect argument data type or missing argument in call to function 'exp' MATLAB
The command sym fi does not create a symbolic variable named fi in the workspace. You can see this by asking what variables ar...

4 years ago | 1

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What are "dimension names"?
Let me guess, you're trying to rename the Time of a timetable. dt = datetime('today') + days(1:4).'; t = array2timetable(magic...

4 years ago | 0

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Want to weight Histogram entries by value
data = [ 23 2 12 2 85 3 38 3 12 4 09 2 97 4 ]; [V, G] = groupsum...

4 years ago | 0

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PARFOR is 10X Slower than FOR
Have you tried using the parallel profiler to determine what percentage of the time taken by the parfor code is spent on the act...

4 years ago | 0

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How to number vertices in a delaunay triangulation in a plot
Let's make a sample delaunayTriangulation and plot it. x = rand(20,1); y = rand(20,1); dt = delaunayTriangulation(x,y); trip...

4 years ago | 0

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Answered
Methods to create arrays of NaN
You can check that the outputs of those two approaches are equal. The isequal function will return false since it does not consi...

4 years ago | 0

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Selecting a random number with some probability
Another approach is to use the discretize function to discretize a uniform random number between 0 and 1 as generated by the ran...

4 years ago | 1

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Use table row as input for a new table
Let's make two sample tables. T1 = array2table(1:3); T2 = array2table(4:6); Create a third table to hold the data from the fi...

4 years ago | 0

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Solve the system of nonlinear equations (with symbolic variables) with the command fsolve
fsolve is intended to solve a system of equations numerically. Since your system of equations involves symbolic variables you wi...

4 years ago | 0

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how can i create "x" empty vectors to begin refill it?
Can you dynamically create variables with numbered names like x1, x2, x3, etc.? Yes. Should you do this? The general consensus ...

4 years ago | 0

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How do I get cd to work properly?
The cd function doesn't accept wildcards. You could use dir (which does) and iterate through the list of directories in its outp...

4 years ago | 1

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Is there a function that tells me the elapsed time as the elapsed time continues to run?
t = tic; for k = 1:5 pause(1) fprintf("The time since the initial tic() is %g seconds.\n", toc(t)) end From the toc...

4 years ago | 0

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Elementwise calculations when making a new Table column
It's not clear to me where the data in your limits variable is coming from, but if you want to use the minimum and maximum value...

4 years ago | 1

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How to make an inherited immutable super class property mutable in the sub-class?
Just off the top of my head and based on the minimal information about your design, based on the fact that you said the subclass...

4 years ago | 0

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Fillmissing function with movmean
Operations involving NaN as one of the operands is one common way to get a NaN in the output, but it is not the only way. See Wi...

4 years ago | 0