Chris Hooper

Last seen: 12 Tage vor | Aktiv seit 2016

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how to deal with discontinuities in solutions to differential equations using ode45
Motivation: I am trying to learn how to use ode45 for fun after studying some math (because it seems engineering eventually make...

22 Tage vor | 2 Antworten | 0

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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...

7 Monate vor

Frage

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. ...

7 Monate vor | 2 Antworten | 0

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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...

etwa ein Jahr vor | 1 Antwort | 0

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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...

fast 3 Jahre vor | 1 Antwort | 0

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

fast 4 Jahre vor | 1 Download |

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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...

fast 6 Jahre vor | 0

Frage

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...

mehr als 6 Jahre vor | 2 Antworten | 0

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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...

etwa 8 Jahre vor

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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.

etwa 8 Jahre vor

Gelöst

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

etwa 8 Jahre vor

Gelöst

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...

etwa 8 Jahre vor

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mdof
time domain system multiple dof spring mass damper force

fast 9 Jahre vor | 2 Downloads |

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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 ...

etwa 9 Jahre vor | 0