Answered
fsolve handling a composition of functions gives the error, "not enough input arguments"
This: g(f) attempts to call the function handle stored in f with 0 input arguments and 1 output argument then call the functio...

15 days ago | 0

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Answered
A totally lost student :)
The limits of the axes in your figure are different from the limits of the axes pictured in your textbook. Try changing the axes...

15 days ago | 0

Answered
How to change a variable to a time variable?
Those columns in your spreadsheet are not what I would call a datetime. They have a time component, yes, but not a date componen...

15 days ago | 1

Answered
MATLAB workspace not showing variables but a struct called 'wng'
Are you calling the built-in who function or a who.m that you've written or downloaded? What does this display? which -all who

16 days ago | 0

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datetime - time only - 2016a
Use the timeofday function defined for datetime arrays. >> timeofday(datetime('now')) % It is 3:12 PM as I type this ans = ...

16 days ago | 0

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Answered
Is there a Way to Determine Which Function Will be Called Without Actually Calling the Function ?
Yes, and in fact you've already given the syntax for that call! See the "Locate Function Invoked with Given Input Arguments" exa...

16 days ago | 0

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Answered
Why there is NO add course button in my Matlab Grader?
Are you an instructor? Do you satisfy all the prerequisites?

17 days ago | 0

Answered
What does mean .* and ' ?
The .* operator performs element-wise multiplication. The ' character has at least three potential meanings that I can think ...

17 days ago | 0

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Finding a matching pair of vectors between two matrix
Be careful about the floating point numbers in your arrays. Consider using ismembertol with the ByRows name-value pair.

17 days ago | 1

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In MATLAB 2020a, how can I convert symfun to double?
You're not specifying a value for t. If any of the elements of the vector p returns when evaluated are functions of t, there's n...

17 days ago | 0

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Answered
Get a Student Licence
Click the "Get MATLAB" button in the upper-right corner of this page. From there you can double-check whether your college or un...

17 days ago | 0

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Answered
Trying to use a for loop, date commands to calculate date of Memorial day for next 10 years
There's no need for a for loop or Financial Toolbox. Currently Memorial Day is observed on the last Monday in May (though you sh...

18 days ago | 0

Answered
Fix an infinite while loop by properly counting the number of elements added to an array
There's at least one bug and a bit of an unusual pattern in your code. Let's skip down to your call to K_matlab. [K_mat, A, tf]...

19 days ago | 0

Answered
figure command doesn't open a figure
Did the student accidentally create their own function named figure? which -all figure

19 days ago | 0

Answered
What is a "feature" and "class" in matlab?
"class" has several different meanings in MATLAB, as does "feature". Some context in how you're using those terms would be usefu...

19 days ago | 0

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Vectorization and plotting user-defined function
By default integral calls the integrand function with a vector of values at which the integrand should be evaluated. There's no ...

19 days ago | 2

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Is there any way to get a matrix from data set which contains x position, y position and magnitude?
Use either accumarray or sparse if the X and Y coordinates are positive integer values. >> rng default >> x = randi(4, 6, 1); ...

19 days ago | 1

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Where can I find these blocks and help on sine function too
To me that looks like a Constant block, a Sine Wave block, an Add block, and some other block. That last one the symbols are too...

19 days ago | 0

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Answered
Error using cos.Not enough input arguments.
In mathematics we write but when we implement that in MATLAB we implement it as [not to be confused with .] x = pi/4; y = co...

19 days ago | 0

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Making a table for degrees and radians
In your original code Degrees was a row vector. When you put something that's sufficiently wide into a table variable, we only s...

19 days ago | 1

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Digraph vertices and weights as strings
See the "Label Graph Nodes and Edges" example on this documentation page. If you want the node and edge labels to be stored wit...

20 days ago | 0

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Answered
how to access function from a different scipt?
That error message is correct. If you have a function inside a script file, the name of the function must not be the same as the...

20 days ago | 1

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Answered
Function help for structures
Don't use numbered variables. Use an array. In fact if all your students have the same number of grades, I would store the data...

20 days ago | 0

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Two questions about my code: 1.) Estimating random number with and without rng ('shuffle'); 2.) storaging results
For the first question, when you start MATLAB the "deck" of random numbers (technically it's a stream, but deck fits the metapho...

20 days ago | 1

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Answered
where is the function, " imped_match_find_circle_intersections_helper.m" located? This is used in Matching Networks, part 2
You mean this page in the RF Toolbox documentation? If you open that example in MATLAB Editor, that helper function for the exa...

20 days ago | 0

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Warning: Function log has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.
You've written your own log.m file or downloaded a log.m from someone / somewhere else. The identifier log already has meaning i...

20 days ago | 0

Answered
method accessing it's own object
If A is an instance of a class that has a method foo that accepts a class instance and a double scalar in that order, the follow...

20 days ago | 0

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Answered
I get a error like this every time I open matlab. what am i supposed to do ? kindly help
Rename the file you've put in your MATLAB Drive named struct.m to something else. The identifier struct already has a meaning in...

21 days ago | 1

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Answered
Why are symbolic expressions being rounded?
Have you changed your digits setting? help digits Are you calling the correct double function? What does this show? which dou...

21 days ago | 0

Answered
Import datetime in custom date format which includes junk characters
Let's make a sample timetable. MeasurementTime = datetime({'2015-12-18 08:03:05'; ... '2015-12-18 ...

21 days ago | 0

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