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Out of memory issue
sz = [196608 4096]; numberOfElements = prod(sz); bytes = 8*numberOfElements; gb = bytes/1024^3 Each subset is 6 GB in size (...

5 years ago | 0

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change the first digits when ends with 5959
Is there a reason you're starting with string data first rather than using a duration array from the start? d = minutes(0:0.25:...

5 years ago | 0

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How do I use a user input string to reference a structure that already exists?
I have multiple users with different structure names that need to use this. I want them to be able to input their structure name...

5 years ago | 1

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Issue with numerical integration of two variable function
A = @(x, y)cos(x)+sin(y); B = @(x, y)(A-integral(@(x)A, 0 , 2*pi)); Your expression for B won't work for two reasons. The inte...

5 years ago | 0

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What is wrong with A = alter(a)?
which -all alter What function are you trying to call? From the tag can I assume you're trying to use Computer Vision Toolbox?...

5 years ago | 0

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How to place NaN instead of " " / [ ] or empty field by using standardizeMissing?
My guess is that the data that was read into that 7th variable in your table was not numeric data but included data that MATLAB ...

5 years ago | 0

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Is the Abstract keyword needed to make a method abstract?
That is valid syntax, but not for making my_method an Abstract method. What you've written tells MATLAB that my_method is implem...

5 years ago | 0

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Standalone application cannot read p-code?
Standalone apps cannot run any MATLAB code that was not included in the application at compile-time. From the documentation "MAT...

5 years ago | 1

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Tiny discussion on good practices in object oriented programming (OOP) through a simple example
First, having two classes whose names differ only by casing or by the difference between singular and plural seems likely to cau...

5 years ago | 0

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Files generated during testing are not saved
I second Geoff Hayes's question about where you're creating these files. Are you putting them in a directory created using a Tem...

5 years ago | 0

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Retrieve curve fit coefficients
What "something else" are you planning to do with this fit information? There are a number of post-processing operations you can...

5 years ago | 1

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Does Matlab support coding of embedded systems and robotics
Take a look at the Robotics and Autonomous Systems and Embedded Systems sections linked from the Solutions section of the websit...

5 years ago | 0

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How to save multiple output?
In your code: %{ for i = 1:m [A,x,y]=myfunction(I,vals(i,1), vals(i,2)); end %} is A always going to be the same size? If ...

5 years ago | 1

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How to add black isolines for f(x,y) = -1, 0, 1
Use the contour or contour3 functions.

5 years ago | 0

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Dealing with Data Structures
Can you create variables named impact_data0, impact_data1, impact_data2, etc.? Yes. Should you do this? The general consensus i...

5 years ago | 0

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Warning: Function class has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict
You've created or downloaded a file named class.m that's preventing MATLAB from calling the built-in class function. Identify th...

5 years ago | 1

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Answered
Extracting value from Name-Value pairs using the Name string
test = struct('units', {'degrees_east', 'degrees_north'}, ... 'long_name', {'longitude', 'latitude'}) theNames = {test.lon...

5 years ago | 0

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How do I get an Expression to Use the Value of a Variable that was Assigned after the Expression was Defined?
Use subs. syms z f = 2*z z = 4; f g = subs(f)

5 years ago | 0

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What is the equivalent of mmult of excel in matlab?
The * operator performs matrix multiplication, but in order for that operation to be mathematically defined you need to transpos...

5 years ago | 1

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Cut a graph ?
If the data to be plotted includes NaN, that point will not be plotted. x = 1:5; y = [1 2 NaN 1 2]; plot(x, y) axis([0 6 0 3...

5 years ago | 0

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Histogram occurences per age problem
Use the histogram function instead of histc.

5 years ago | 1

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How to assign strings and numbers to elements of the same matrix?
Do you need your data stored with mixed-type columns or would mixed-type rows work? If the latter, consider a table array. Resu...

5 years ago | 0

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Passing additional argument into objconstr
Adapting the example from the documentation page for packfcn: ros = @(x, k) k*(x(2) - x(1)^2)^2 + (1 - x(1))^2; % Added a param...

5 years ago | 0

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Use of Genetic Algorithm feature for optimization of technical design
What signature does the documentation page for the ga function state your nonlinear constraint function must have? [How many inp...

5 years ago | 2

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Transpose pivot reshape a MATLAB table from a cross-section wide 'row format' to a panel-data long 'column' format
I'm not sure where those 4444 values came from in your second T variable, but I think what you want is to stack your table data....

5 years ago | 0

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How to determine polynomial coeffisient of N x M matrix instead Of 1 x N or N x 1?
Do you want M polynomials, one per row, or do you want one polynomial for all your data? If the latter, just columnize your data...

5 years ago | 0

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Is there a better way to use cellfun with arguments? and is it better than for-loop?
A = {1:10, magic(5), @sin} cellfun(@(x) size(x, 1), A)

5 years ago | 1

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[beginner] How do you plot two vectors of diffrent length?
I believe your suspicion about whether the commas should be periods is correct. MATLAB uses the convention that the decimal sepa...

5 years ago | 0

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How do I create array of a function with for loop?
I have a in total 42 of 424x412 doubles Can you do this? Yes. Should you do this? The general consensus is no. Rather than ha...

5 years ago | 1

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Setting a plot's x-axis by units and not finer data points?
When you call plot with one data input, the indices of the elements in the vector are used as the X coordinates. plot((1:10).^2...

5 years ago | 0