MMULT in WPS on Windows FAQ

Q: What should I do if MMULT shows an error after I enter it?

Check whether the formula starts with = and whether the parentheses are complete. Confirm that the two parameters are separated correctly. Verify that the referenced ranges contain numeric data and meet matrix dimension requirements.

Q: How can I view the parameter guidance for MMULT?

Select the target cell. Type =MMULT( . Review the syntax guidance shown in the editing area and continue entering the parameters.

These FAQs focus on 3 common MMULT issues, including formula errors, parameter entry, and result checking.

FAQ

What should I do if MMULT shows an error after I enter it?

Check whether the formula starts with = and whether the parentheses are complete.
Confirm that the two parameters are separated correctly.
Verify that the referenced ranges contain numeric data and meet matrix dimension requirements.

How can I view the parameter guidance for MMULT?

Select the target cell.
Type =MMULT(.
Review the syntax guidance shown in the editing area and continue entering the parameters.

What should I check first-if-the-mmult-result-looks-incorrect

Check whether the referenced range contains text-formatted numbers or blank cells.
Confirm that the number of columns in the first matrix equals the number of rows in the second matrix.
After changing source data, review whether the result updated.

Glossary

Term	Definition
MMULT	A spreadsheet function that returns the product of two matrices.
Matrix parameter	An array constant or cell range used as an input for MMULT.
Syntax guidance	The parameter structure prompt shown while entering a function.