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Modifying colourmap to suit needs
Just flip the colormap. figure peaks colorbar colormap gray % effectively equivalent, due to how colormap works, to colormap...

6 years ago | 0

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alternative rounding method when using histcounts
If a value in your data exactly matches one of the elements of the edges vector, that value is counted in the right bin of the t...

6 years ago | 0

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some quetions about ode45
1.in following code,what‘s the effect of symbol '[ ]'? why must use it? [t,uvtsol]=ode45('wave1D',t1,u0,[],N,k,a); That's an ...

6 years ago | 1

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Why R2018a and 2019b give different results for cosine (cosd) function?
I suspect the answer was changed by the fix for bug 1839169.

6 years ago | 0

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addEntityDetails() available on matlab 2018b?
The documentation page for the addEntityDetails method for tokenizedDocument objects indicate it was introduced in Text Analytic...

6 years ago | 0

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polt a polygon made up for four points
See the polyshape function.

6 years ago | 0

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I got a code from my professor as an answer to one of our recitation problems and I am trying to decipher it.
See the Description section on the documentation page for the for keyword. The array over which for iterates can be defined as a...

6 years ago | 0

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Field name with integer value
Depending on what data you're trying to store in this struct, storing the data as variables in a table array (using release R201...

6 years ago | 0

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what is substitution for fscmrmr in MATLAB R2016a?
This function was introduced in Statistics and Machine Learning Toolbox in release R2019b according to the note at the end of it...

6 years ago | 0

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using loops to play blackjack
Coding the cards so the aces are 1:4 and the tens are 5:20 is okay, but we can get closer to the actual game with our simulator....

6 years ago | 1

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Determine Matrix Operation Memory Usage
Does MATLAB crash or does it throw an error? Those are two very different things. Crash: MATLAB shows a crash log file with a l...

6 years ago | 0

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When opening a 2020a app-designer file in 2018a all the element have been deleted
At least some of the functionality you are using in the release R2020a version of the app (specifically the grid layout function...

6 years ago | 0

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How to allow same function name to be used various ways?
You can customize completions for the functions you've written if you're using release R2018a or later.

6 years ago | 0

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Can i add heaviside step function in Matlab runtime library?
Are you trying to call the heaviside function in Symbolic Math Toolbox? Nothing in Symbolic Math Toolbox is supported for use wi...

6 years ago | 0

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Creating variables based on number of columns?
How can I in my script create varibles for each column, and have it be expandable? CAN you do this? Yes. SHOULD you do this? NO...

6 years ago | 1

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Every time I start MATLAB I receive: 'Attempt to execute SCRIPT path as a function'
Rename or remove the file C:\Program Files\MATLAB\R2020a\path.m. It is preventing MATLAB from calling the path function included...

6 years ago | 1

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Plotting time/date on surf or mesh plot
surf can handle datetime and duration data. Let's create some sample datetime data and use that to compute a duration. [d1, d2]...

6 years ago | 1

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Complex number when using variables
That's correct. The unary minus operator (before 50.8478) is at precedence level 4. The matrix power operator with unary minus (...

6 years ago | 1

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Is it better to generate a plot from a spreadsheet or enter it directly into MatLab?
There's no tutorial that covers creating a plot specifically like that, but there are tutorials for some of the pieces that you'...

6 years ago | 0

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Want to solve for x
Call double or vpa on the output of solve.

6 years ago | 0

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Maximum variable size allowed by the program is exceeded.
You can't. The output of perms(x) has factorial(n) rows, where n is the number of elements in x. How big is that? >> x1=250:.0...

6 years ago | 0

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Create a matrix with multiple values at each element and apply a function to all?
If all the binary operations in your f function support implicit expansion (which is the case for your sample f, as plus support...

6 years ago | 1

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Alternatives to plot3.
If you have scattered data (your depth and time data doesn't form a regular grid) use griddata or scatteredInterpolant to grid y...

6 years ago | 0

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Throw Error in TimerFcn
This is not going to work as you've written it. Imagine if the timer's StartDelay was 60 seconds and the body of your try block...

6 years ago | 0

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Divide area into polygons
Many different ways. Slice the square into 8 rectangles with horizontal cuts. Slice the square into 8 rectangles with vertical...

6 years ago | 0

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How to install the extractLBPFeatures function' to the old version MATLAB
According to that function's documentation page it was introduced in Computer Vision Toolbox (which may have been called Compute...

6 years ago | 0

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PLEASE SOMEONE HELP ME WITH THE ODE23 ERROR
Nowhere in the code you posted do you define a variable named ro2. On the line before you tried to use ro2 you defined a variabl...

6 years ago | 0

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Division creating many columns
Use element-wise division not matrix division. Table.PnC_Removal = (((Table.Concentration_S1 - Table.Concentration_S2)./ Table....

6 years ago | 0

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Assign symbolic variables in objective function as either constants or optimisation variables
Let's treat a as a symbolic constant and examine a slightly simpler version of your function. What's the minimum value the funct...

6 years ago | 0

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ERORR "CANNOT FIND 'GET' METHOD FOR STRING CLASS.
The approaches Geoff Hayes gave are two ways you can solve this problem. Two others: Because handles is a struct array, you cou...

6 years ago | 0