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Removing rows from array using indices
I have a 2530x1 array named Rowidx containing the indices of rows that I want to remove from several other arrays that have diff...

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Finding the first instance of a value in an array
I have an array with many rows and many columns. I want to search the array row by row, find the first instance of a value that ...

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Basic question about loops
Very basic question: why is this not working? instead of Idx2=Idx(:,2) Idx3=Idx(:,3) Idx4=Idx(:,4) Idx5=Idx(:,5) I wrote ...

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knnsearch but with a constraint
I have an 11,000x3 array representing x,y,z coordinates of points in 3D space. I want to find the nearest neighbor using knnsear...

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Knnsearch: How to output disntace?
Here's the code. It basically finds the nearest sets of x,y,z points in the nodes array. Since the first column is the point its...

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meshquality: What does it represent and what is a good number?
According to the documentation: meshQuality evaluates the shape quality of mesh elements and returns numbers from 0 to 1 for ea...

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Converting 3D CAD files to stl?
Is there any function in MATLAB / code on exchange that could convert a universal 3D CAD format such as .stp or .igs to .stl? A...

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Fitnet: Out of memory error solved by transposing?
Here's the code: net_set = fitnet (4, 'trainlm'); my_ANN = train (net_set, input,output) Input and output both are 49736x3 ar...

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Sorting cell array based on distance
I have two cell arrays that contain information about the x,y,z coordinates for points in space. These data are random and do no...

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Exporting mesh generated by MATLAB to ASCII file?
I have generated a 3D mesh from a STL file using the PDE toolbox. How can I extract the mesh in terms of numerical outputs in an...

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Optimizing 1 equation with 7 variables
I have the following function: f= (a^2/x^2)-((a*(2*b))/x^2)+(2*(b^2)/y^2)+((1/x^2)-(2/y^2))*b^2+((2*(2*d)^2)/s^2)+(((y^2)^-1)-(...

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Basic example of cellselectioncallback
I cannot find any basic example of cellselectioncallback in the documentation. I know that the indices represent rows and column...

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Standalone application cannot read p-code?
So my app has an input library that is not bundled together with the app itself. I want to be able to share only specific inputs...

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Applying format to values in UITable?
So one of the coefficients is very small (10^-7) and the table shows up to 4 decimal by default. So it ends up showing it as zer...

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Load data into GUI editable fields from txt
I have an application with several inputs. Currently, I input the data manually in the GUI. I want to add a push button and lo...

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How to use ~= operator as constraint function?
I have a function called "error" that I want to minimize with initial X0 = 1.34. The definition is: function error = objectiveF...

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