isMatrix method
Implementation
bool isMatrix({throwIfIsNot = true}) {
// check if all the columns has the same length
var columns = this[0].length;
for (var c in this) {
if (c.length != columns) {
if (throwIfIsNot) {
throw FormatException(
'Array2d is not a matrix. All the rows of the Array2d must have the same length of columns.');
} else {}
return false;
}
}
return true;
}