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Chris Hooper


Last seen: 1 giorno fa |  Attivo dal 2016

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Risolto


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...

2 mesi fa

Domanda


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. ...

2 mesi fa | 2 risposte | 0

2

risposte

Domanda


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...

9 mesi fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 2 anni fa | 1 risposta | 0

1

risposta

Inviato


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

oltre 3 anni fa | 1 download |

Risposto
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...

oltre 5 anni fa | 0

Domanda


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...

circa 6 anni fa | 2 risposte | 0

2

risposte

Risolto


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...

quasi 8 anni fa

Risolto


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.

quasi 8 anni fa

Risolto


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

quasi 8 anni fa

Risolto


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...

quasi 8 anni fa

Inviato


mdof
time domain system multiple dof spring mass damper force

oltre 8 anni fa | 1 download |

Risposto
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 ...

oltre 8 anni fa | 0