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Last seen: 4 years 前 |  自 2015 起处于活动状态

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统计学

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Standalone compilation and use of GUI app
Hi, I am using a standalone app developed with GUI. After the app is compiled, I have done tests with the application found in ...

4 years 前 | 1 个回答 | 0

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Why two same Apps compiled from the same Project File in MATLAB Compiler can not be run?
I have an app A compiled by someone else and I need to make a copy of app A and produce an app B. Also, I have all the necessary...

5 years 前 | 1 个回答 | 0

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Error after trying to run a Matlab App "No matching files found"
Hi, I am trying to find where is the issue while trying to run a Matlab App. After I build the new app in the Matlab Compiler...

5 years 前 | 0 个回答 | 0

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How to define Passband and Stopband Attenuation of an IIR Butterworth Filter?
I want to filter real acceleration data. I have to remove the very low frequencies <1Hz that are dominating my frequency plot. ...

7 years 前 | 1 个回答 | 1

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Rational Fraction Polynomial for Modal Parameters Extraction
Hi, I am using the code for RFP technique for modal parameters extraction. I have downloaded the code from File Exchange site a...

7 years 前 | 0 个回答 | 0

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Generate a vector "b" from an already defined vector "B" several times but taking different elements of "A" each time
Thank you for you answers. Because I needed to remember the indices of the elements that are taken from B, I have accepted the f...

7 years 前 | 0

提问


Generate a vector "b" from an already defined vector "B" several times but taking different elements of "A" each time
I have to generate a vector "b" from an already defined vector "B" but taking different set of values each time. The length of t...

7 years 前 | 3 个回答 | 0

3

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How to add columns equally in each page of a multidimensional array within a for loop?
I have a problem inside a for loop where I am defining a multidimensional array by adding more columns at every loop. The multid...

7 years 前 | 1 个回答 | 0

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For loop not working when run inside a function!
I have a for loop inside a function _Function_. When I call that function within a script I get an error _Index exceeds matrix d...

7 years 前 | 3 个回答 | 0

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How to build a time record from several matrices?
Hi, I have four matrices A, B, C, D and they are each (1x409752). These matrices are actually extracted from a time record th...

7 years 前 | 2 个回答 | 0

2

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Convert a cell array that contains numbers and NaN values to a matrix
I have a cell array Acceleration {131341x1} that contains NaN and numbers. I tried to use the cell2mat like Acc = cell2mat...

7 years 前 | 1 个回答 | 0

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How to remove large peaks around 0Hz in FRF?
Hi all, I have calculated FRF function as ratio of cpsd (acceleration,force) and cpsd(force,force). Before the FRF calculation...

7 years 前 | 1 个回答 | 0

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How to increase the speed of a FOR loop?
Hi, I have a problem with few lines of a for loop. It seems that it takes forever to finish. After one hour of waiting the for ...

8 years 前 | 1 个回答 | 0

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How to sum pages of a multidimensional array inside a structure array?
Hi, I have a structure array "A" with one field "a". The field "a" consists from 200 muldidimensional arrays of equal size 11...

8 years 前 | 2 个回答 | 0

2

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While and If loop with stopping criteria
I am trying to write a while loop with a stopping criteria, but I have difficulties in implementing this. So, within the loop I...

8 years 前 | 1 个回答 | 0

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提问


Tolerance criteria for cost function obtained with PSO
Hi, I have applied PSO for minimization of RMS value that is my cost function. I have used 150 iterations. How can I set up...

8 years 前 | 1 个回答 | 0

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How to compare matrix elements with their neighbors?
Hi, I have a matrix A (50x1). I have to compare each element of matrix A with its two neighbors. The element of the matrices ar...

8 years 前 | 2 个回答 | 0

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Periodogram and Pwelch of acceleration data
Hi all, I am doing a frequency analysis of real signals. I have acceleration data from an impact hammer for six channels. I h...

8 years 前 | 1 个回答 | 0

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How to extract a page from a 3d array and add it to a 2d array in a for loop?
I need to form a matrix "S" (22by22) using pages from a multidimensional array "s" in a for loop. First, this is the example ho...

9 years 前 | 1 个回答 | 0

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How to assign values to a multidimensional array?
Is there a faster way how to assign values to every page of a multidimensional array, e.g. by using for loop. I have following p...

9 years 前 | 1 个回答 | 0

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How to locate and extract elements from a matrix?
Hi, I need to locate specific elements in each column of a matrix and print them in a new column matrix. For example if I have...

9 years 前 | 1 个回答 | 0

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How to smooth the FRF curve?
Hi all, I have obtained FRF curve with calculating cross power of output/input and auto power spectral density of input/input u...

9 years 前 | 0 个回答 | 0

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已回答
Why I can not open apps which I have purchased?
Thank you for your answer. I've already contacted the support via email, so I should wait 24 hours to get an answer since I can ...

9 years 前 | 0

提问


Why I can not open apps which I have purchased?
I just have bought and activated the MATLAB 2015a license, but I have problems in opening some of the installed apps. For exampl...

9 years 前 | 2 个回答 | 0

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已回答
Is there a certain amount of time before the license should show up? When I type the license number in it says that it is an invalid license
I have the same problem with licensing. I've just installed and activated the product, but some of the apps are not available ev...

9 years 前 | 1