Answered
Optimization Toolbox Installation/License Issue
It sounds like the server isn't recognizing that Optimization Toolbox is licensed. I recommend first contacting the administrato...

1 year ago | 0

Answered
Mathematical Equations to MATLAB
This line of your code is the first problem. I've commented it out so I can run other code later in my answer. % f_i = @(t) lam...

1 year ago | 0

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How to know what is my Personal Mathworks User Level?
I've asked the MATLAB Central team to take a look at this.

1 year ago | 0

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Answered
Importing class from a different location
The directory containing the meIFC2421 class must be "visible" to MATLAB (either on the MATLAB search path or in the current dir...

1 year ago | 0

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Curve fitter app does not work
Rename your script fit.m so it does not conflict with the fit function from Curve Fitting Toolbox. The app uses fit as part of i...

1 year ago | 1

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Answered
Can Matlab cellular functions -like cellfun- work with non linearly spaced indices ?
So you're sieving? What is the real value of N for which you want to solve this problem, and how many values are you trying to s...

1 year ago | 0

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Fix code errors,
The error message is correct. Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, ...

1 year ago | 0

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How to define the size between multiple symbolic variables and sort these symbolic elements
The second part of your first line of code (that I've broken in two) doesn't do what I believe you think it does. syms c1 c2 c3...

1 year ago | 0

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Calling the superclass constructor 'rl.env.MATLABEnvironment' after an object use or after a return statement is not supported.
In the Guidelines for Constructors section on this documentation page, one of the guidelines is "If your constructor makes an ex...

1 year ago | 0

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Answered
Combing Date and Time Variables into ONE DateTime Vector
So you have a datetime array and a duration array? n = 10; dt = datetime(2024, 6, randi(30, n, 1)) du = duration(randi(24, n,...

1 year ago | 0

Answered
make vectors same length using min function
x = [2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016]; y = [0, 0.05, 0.1, 0.15, 0.2]; a = [2008, 2009,...

1 year ago | 0

Answered
Error: Children may only be set to a permutation of itself
In programmatic code, ideally you should use a specific axes handle rather than trusting that gca returns the axes you think it ...

1 year ago | 1

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Answered
Join Subgraphs into a new Graph
G1 = graph(randi(10, 20, 1), randi(10, 20, 1)); G2 = graph(randi(10, 20, 1), randi(10, 20, 1)); Here I have two random graphs,...

1 year ago | 1

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Find value of large number
Use Symbolic Math Toolbox. Define your constants symbolically. % Define the constants B_2 = sym(0.18525); H = sym('3000175332...

1 year ago | 0

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Answered
Working with modified code -2024A
If your system of ODEs is taking a long time, it may be stiff. Try using one of the stiffer solvers. Alternately you could try ...

1 year ago | 0

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Answered
How to Create Slicing Number of 2D plots in matlab
Looking at this documentation page, I think what you want is slice.

1 year ago | 0

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Calculate mean of all variables that have a mean
Instead of calling varfun twice as the answer posted by @Arun does, call it once with the InputVariables name-value argument. Th...

1 year ago | 1

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Answered
Assigning a line plot object to a global property doesn't retain it after the object is deleted
All of the handles to the line object (which is a handle object) are references to the same thing on the screen. If you delete()...

1 year ago | 2

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Answered
No se como crear un 4x1 polyshape with 3 properties
What is the data type and size of the cborders variable used on line 19 of your untitled2.m file? You could add this command imm...

1 year ago | 0

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How to extract latitude and longitudes from a table given the timestamp range?
Use a timerange object as the row index into your timetable. Time = datetime({'12/18/2015 08:00:00';'12/18/2015 10:00:0';'12/18...

1 year ago | 0

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How can I get script's location when running one section of a script?
Rather than depending on what is the current directory when running the code (which is subject to change when you're running the...

1 year ago | 1

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Time format is changed to decimal when calling the time data from excel.
In matlab, when i read a time data (hh:mm:ss AM/PM) from excel, How are you reading the data from the Microsoft Excel spreadshe...

1 year ago | 0

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Does Matlab automatically vectorize for loops?
In general we don't discuss what the JIT does internally as we don't want users to try to code against that always-moving target...

1 year ago | 2

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Can't run script in namespace directory
You can run a script in a namespace. You need to use the name of the namespace as part of the command, just like you would when ...

1 year ago | 0

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3d arrays Matrix multiplication with a vector
This wasn't an option when the question was asked originally, but since release R2020b you can use pagemtimes. Let's make a smal...

1 year ago | 0

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Converting Unix Timestamp to Date Time
Use the 'ConvertFrom' option in your datetime call. This tells datetime how to interpret the value you pass into it. I think you...

1 year ago | 0

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Answered
Incosistency Precision Value (decimal double) When using strcmpi/contains
If you're trying to determine if one number is contained inside another array of numbers, converting them to strings then using ...

1 year ago | 1

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Passing output from a ButtonDownFcn callback function
Callback functions for Handle Graphics objects don't return output arguments. [Where would it return those output arguments to? ...

1 year ago | 0

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scope marker to line
The Scope block in a Simulink model will plot the data that is passed into it. If you want the block's plot to show the signal l...

1 year ago | 1

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How to count the number of scatter points of each color
Rather than creating one scatter plot for each individual point, I'd use that loop to create a vector of data that indicates in ...

1 year ago | 1