mmult not working at all

Hi, simply post the picture:

It’s a simple square multiplication of a matrix with it self, but not working at all


Using LO v7.0.3.1 on Ubuntu 20.4 and this sample → matrix mult, I had no problem.

In your example your first array has three columns. Your second array needs three rows but only has two.

@Ratslinger Hi thanks, I may uploaded the wrong pic. but change to C31:E33, which is a 3x3 matrix. The result persists…

Hi, I figured it out, I use “=C2” in the matrix, which provided actually “” for matrix input, after fill in C2 with “0”, it came out the result