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How can i find an equation from datas?
You may pick out a model first to fit your data onto. There a wide variety of models available in Matlab and the choice would de...

3年以上 前 | 0

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Read data from .txt file
I recommend trying the 'Import Data' button on the Home tab in the Matlab toolstrip. After selecting your .txt file in the tool,...

3年以上 前 | 0

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Invalid training data. The output size (2) of the last layer does not match the number of classes (6).
Hi Aswin, The number of outputs from your network would be determined by the last fullyConnectedLayer you have used. Since it h...

3年以上 前 | 3

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How to create body centered cubic structure?
You could create 2 different X/Y/Z combinations, each for corners and centre of the lattice. Then plotting them one after the ...

3年以上 前 | 0

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matconvnet in online matlab
The problem is that since 'mex' command is not yet supported in Matlab Online, you cannot compile the source code as mentioned i...

3年以上 前 | 0

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How can I solve 6 different first order ODEs (Three DOF) with ODE45 in three different conditions
I'm not sure which script contains your constraints. In general, you may try writing a third script to invoke the first two from...

3年以上 前 | 0

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how to build a histogram from an output with 2 vectors
Hi Heg, It seems that you haven't posted the code where the 'ga' algorithm is running and the results are obtained. In general...

3年以上 前 | 0

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Making a circle with circles
Hi Nicholas, I'm assuming you want smaller circles (r=1) to be arranged in a circular shape, i.e. where they form the perimente...

3年以上 前 | 0

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unable to find function / Previously accessible file
Hi Malgorzata, Instead of saving the strings to a .m code file and executing that code, I suggest using eval() to have them po...

3年以上 前 | 0

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What is the logic behind timedelaynet?
I belive this page explains the basic concepts. Wikipedia Entry You may read the following research papers to get a better u...

3年以上 前 | 0

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how to change dot notation to if else if structure, with while and for loops.
I'm not certain what sort of 'dot notation' is in question here. The '.' - dots in your code are multiplication operators. In M...

3年以上 前 | 0

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Matlab code for PRESENT and HIGHT
You may explore MATLAB File Exchange for such implementations. File Exchange is a platform for Matlab users to publicly share ...

3年以上 前 | 0

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Function calling and executing from different .m files
Hi Jay, As an alternative, you may try saving the initialized matrix to disk (typucally as a .mat file) and loading it in the s...

3年以上 前 | 0

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how to calculate classification accuracy
Hi Reen, I'm not sure which method you want to use for calculating an accuracy value, but here's one approach we may try: % ou...

3年以上 前 | 0

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how to generate indices for the training data for all the possible combinations in leave n out cross validation?
Hi Harshan, You may use 'cvparition' function with 'leaveout' option specified. Have a read of the doc: https://www.mathwork...

3年以上 前 | 0

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Multiply a column by -1, then do something. Do this for all possible combinations of the matrix
Hey Diego, I think you can attempt this problem using logical indexing. It's often faster to group all the combinations into a ...

3年以上 前 | 0

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partially reduced row echelon form
Hey Christoph, You may try using the 'fast rref' function created on File Exchange by Armin Ataei. It may perform faster than ...

3年以上 前 | 0

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Having trouble rewriting a DICOM file with metadata: converting table to structure
Hi Johnathan, Your issue may be solved this way: % If 'T' is the variable holding the table, C = table2cell(T); C = C'; C...

約4年 前 | 2

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How can I speed up nested loops?
Hi Yeray, I have a few suggestions for this vectorization, In the calculation of 'A' and 'B', the functions sind and cosd ca...

約4年 前 | 0

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Error: "Subscripted assignment dimension mismatch."
I think you need to clear all variables and close all figures before running this code. Your code is working fine on my MATLAB ...

約4年 前 | 0

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How can i change places to pixel values(black ones to white, white ones to black) of binary image?
Hey Zuy, I don't think you can concatenate statements in matlab using '&&' - that is a logical operator, the kind that is used ...

約4年 前 | 0

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Replacing for loop in order to decrease run time
Hi Bastiaan, I think this way you can solve it. Below is how yo D = A(1, end-1) - B(1, end-1); D = [0; D] % ';' Assuming...

約4年 前 | 0

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fprint() to save uint8 in .txt file
You may save it using the '%d' formatting operator and save it line by line to a text file. Use '\n' for moving to the next line...

約4年 前 | 0

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Question about Goodness of Fit
Please refer to the documentation on nlinfit which explains each of the output arguments in depth. https://in.mathworks.com/hel...

約4年 前 | 0

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Need help with "??? Undefined function or variable 'limit_2'. The first assignment to a local variable determines its class."
codegen fun -args {zeros(i,i),1} -nargout 3 I think you have forgotten to pass the third argument into the function. This leave...

約4年 前 | 1

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How can I plot multiple rectangles (or circles) using the rectangle function without using a for loop?
I don't think there is a way to 'vectorize' this code, you can't eliminate this for loop and achieve much of a speed up. But how...

約4年 前 | 1

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Generalization of Catalan's conjecture
You may explore File Exchange for solutions or related code from which you can build your own solution. If you are attempting t...

約4年 前 | 0

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Function 'range_calculator' has already been declared within this scope.
You may try removing the initialization of 'g' which is the first line in your function. In matlab, if you have code above the f...

約4年 前 | 0

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Classification learner - Confusion matrix
Hi EK, You are correct about False Discovery Rates being the same as False Positives. However, I'm not sure which metric you m...

約4年 前 | 0

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Finding adjacent pixels of a certain color around a blue pixel in an image
Hi Michael, Here's one way to do it:- Create 2 masks, one identifying all blue pixels and another identifying all pixels adja...

約4年 前 | 0

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