Read and write matrices as ASCII text files.
The file format is like:
MATRIX -- header 100 100 -- width and height 1.23 1.56 1.23 ... -- data, separated by whitespace ....
Read a matrix from a text file.
- WARNING: This is implemented fairly naively, just using
Stringsunder the covers. It will be slow for large data files.
- It also doesn't do graceful error handling.
If the file has the wrong format you'll get a confusing