matrix operations

  1. tuncalik

    Is there a VBA add-in for matrix operations?

    Hi all Is there an extensive add-in for VBA/excel for matrix and vector operations? In other words, an add-in with a selection of matlab or R functions? Regards Tunc
  2. C

    calculating covariance matrix from array in vba

    I am trying to calculate a covariance matrix in VBA. I have managed to get my data into an array "datarng" which has 10 columns and 100 rows. I want to calculate the covariance matrix of my dataset so that I will have a new array 10x10 by calculating the covariance between each column in the...
  3. E

    simple question doing operations with two columns

    Hello everybody! I am having a problem in running an operation using two columns. For simplicity, lets say that the two columns are: column1 column2 1 -----------3 2 -----------5 And I want to fill in another column the sum (or product, or any other operation), each possible combination of the...
  4. H

    How can I make a matrix from an array

    Hi, Can anyone tell me how to make a matrix from an array? My problem is the following: My data looks like: X1 X2 X3 X4 1 2% 3% 4% 2 1% 4% 8% 3 9% 2% 3% .. 40 1% 2% 1% So my array looks like: array(1 to 40, 1 to 3) Where array(2,1) = 1%, array(2,2) = 4%, array(2,3) = 8% Now how can I...

Watch MrExcel Video

This Week's Hot Topics

We've detected that you are using an adblocker.

We have a great community of people providing Excel help here, but the hosting costs are enormous. You can help keep this site running by allowing ads on MrExcel.com.
Allow Ads at MrExcel

Which adblocker are you using?

Disable AdBlock

Follow these easy steps to disable AdBlock

1)Click on the icon in the browser’s toolbar.
2)Click on the icon in the browser’s toolbar.
2)Click on the "Pause on this site" option.
Go back

Disable AdBlock Plus

Follow these easy steps to disable AdBlock Plus

1)Click on the icon in the browser’s toolbar.
2)Click on the toggle to disable it for "mrexcel.com".
Go back

Disable uBlock Origin

Follow these easy steps to disable uBlock Origin

1)Click on the icon in the browser’s toolbar.
2)Click on the "Power" button.
3)Click on the "Refresh" button.
Go back

Disable uBlock

Follow these easy steps to disable uBlock

1)Click on the icon in the browser’s toolbar.
2)Click on the "Power" button.
3)Click on the "Refresh" button.
Go back
Top