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error when trying to export the data to excel - how can I fix this error?
Well, the error message tells you that you want to access a non-existing field in a struct. So the error has nothing to do with ...

10 years 前 | 0

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Why i am getting wrong value of abcd ?
You don't get the wrong values. sin(139) = 0.81, that is right, but that is not what your code calculates. It calculates sind(13...

10 years 前 | 0

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How to fill certain portion a plot
Use the Matlab function *patch* .

10 years 前 | 0

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How to remove seasonal component from a time series using filter??
There's an example in the MATLAB documentation that explains how to do it. Just search for "Seasonal Adjustment Using a Stable S...

10 years 前 | 0

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Saving the .mat file using for loop
You use the same file name for all ten samples. So Matlab overrides the file in every iteration and you end up with one saved sa...

10 years 前 | 5

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Insert Chart in Excel with Excel data with Matlab
Matlab cannot find the Excel file. Make sure that your path and file name are correct.

10 years 前 | 0

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calculate values from different matrices
Task 1: m = size(U,2); v = cell(m,1); for k = 1 : m v{k} = find(U(:,k) > 0); end Task 2: I don't understa...

10 years 前 | 0

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How can I write matlab code for summation equation for the file attached. Pls help.
P(i,k) = 0; for j = 1 : N + M if (j ~= i) P(i,k) = P(i,k) + (1 - 2*B(i,j)*P(j,k) - B(i,o)) - b(i); end...

10 years 前 | 1

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Help me how to calculate sum of series ?
n = 1 : 10^6; sum(((n+1)./n).^n./n.^2) sum((sqrt(n+1) - sqrt(n-1))./n.^(3/4))

10 years 前 | 1

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Generation of random numbers
You use the correct method. When your range is from 10^(-4) to 10^4 it is quite normal that values below 10^(-1) are very, rare....

10 years 前 | 0

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Extra term in "min" function in while loop
The min function compares the vector DC1(:,450:Xep) to the scalar DC1(1,j). The result is a vector that is identical to DC1(:,45...

10 years 前 | 1

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Finding x & y-values that maximize an expression!!!!
You can use the fminsearch function because maximizing J is the same as minimizing -J. That is why there is no optimizing functi...

10 years 前 | 0

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How print a GUI to pdf with good quality?
I want to print a GUI to pdf. I use the following code: print(f, '-dpdf', 'Filename.pdf') where f is the handle of the G...

10 years 前 | 1 个回答 | 1

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Count Peaks, csv-files
You probably cannot open the files because the folder is not on the MATLAB search path. In your code add the following line at t...

10 years 前 | 0

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How to replace/exlude certain values from data array/plot
The problem is that the values are probably not exactly 1.0E-30 but something like 0.9876E-30 or 1.0003E-30. That is why your co...

10 years 前 | 0

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Adding outlier to a matrix
Actually you answered your question yourself. Instead of the mean I would use the maximum value of the matrix. Multiply that num...

10 years 前 | 0

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how can i use variable instead of constant to get data from mysql database?
Your syntax is wrong. Try the following: id = 1; qry = sprintf('Select fname From mydb.myface WHERE id = %d', id);

10 years 前 | 1

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How can I evaluate the result of robust regression?
It is true, you cannot calculation the R-square of the robust regression, but you can do something similar: I would use the weig...

10 years 前 | 0

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varience of portfolio without financial toolbox
The variance of a portfolio is defined as w * C * w', where w is the vector (dimensions: 1 x N) with the portfolio weight and C ...

10 years 前 | 0

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matrix computations in the loop as cell.
In the loop you define AA and br as cell arrays. So, if you want to merge them, use [br{1},AA{1}] and [br{2},AA{2}];

10 years 前 | 0

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Undefined function or variable
The syntax you used is not correct. You can only assign values to variables, not to transformed variables. You have to do your c...

10 years 前 | 2

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Problems with Matlab Compiler
I have two problems with the compiler: (1) whenever I compile a m-file using the mcc command I get a warning: "Function display ...

10 years 前 | 2 个回答 | 0

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