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Chris Hooper


Last seen: environ 2 mois il y a |  Actif depuis 2016

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A résolu


Given the mass and stiffness of an undamped SDOF system, find the natural frequency and the natural period of vibration
Problem Statement Given the mass and stiffness of an undamped SDOF system, find the system's natural frequency in both Hz and...

6 mois il y a

Question


How do I reduce categorical array containing alternate spellings and formats?
I bet this problem comes up all the time: I have a categorical array of length ~ 10,000 and typical string length ~ 10 to 20. ...

6 mois il y a | 2 réponses | 0

2

réponses

Question


Is it possible to zip files one directory up with "zip"
This creates file1.zip containing file2 and file3: zip('file1',{'file2','file3'}) However, this creates file1.zip containing n...

environ un an il y a | 1 réponse | 0

1

réponse

Question


datenum(year,month,day,hr) that returns integer
I need a datenum(year,month,day,hr) that returns an integer, where year, month, day, and hr are vectors of integers. motivation...

presque 3 ans il y a | 1 réponse | 0

1

réponse

A soumis


Matlab and Excel: read and write
read and write data between matlab and excel

plus de 3 ans il y a | 1 téléchargement |

Réponse apportée
Excel custom properties Add function - Invoke Error: Incorrect number of arguments
I am very interested in this as well. I am trying to use optional arguments for the Range.Find() method in order to specify tha...

plus de 5 ans il y a | 0

Question


interesting matrix indexing question without for loops
size(matrixA)=[b,n,m] size(matrixB)=[n,m] how can I create matrixC(i,j)=matrixA(matrixB(i,j),i,j) without using...

plus de 6 ans il y a | 2 réponses | 0

2

réponses

A résolu


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

environ 8 ans il y a

A résolu


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

environ 8 ans il y a

A résolu


Add two numbers
Given a and b, return the sum a+b in c.

environ 8 ans il y a

A résolu


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

environ 8 ans il y a

A soumis


mdof
time domain system multiple dof spring mass damper force

plus de 8 ans il y a | 1 téléchargement |

Réponse apportée
64 Bit version of Matlab 2015a a lot slower than 32bit version
Did you try running the benchmarks multiple alternating times to avoid the order effect? running a matlab code is often slowest ...

environ 9 ans il y a | 0

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