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

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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.

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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))

11年以上前 | 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....

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 0

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質問

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...

11年以上前 | 1 件の回答 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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);

11年以上前 | 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...

11年以上前 | 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 ...

11年以上前 | 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}];

11年以上前 | 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...

11年以上前 | 2

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質問

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 ...

11年以上前 | 2 件の回答 | 0

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Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

13年弱前

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Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

13年弱前

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

13年弱前

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Generate a random matrix A of (1,-1)
Input n: is an positive integer which serves as the dimension of the matrix A; Output: A=(Aij),where each entry Aij is either...

13年弱前

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

13年以上前

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

13年以上前

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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

13年以上前

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

13年以上前

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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

13年以上前

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

13年以上前