There are about a dozen different way of finding "least squares" lines, some of which use matrices. What matrix are finding an Inverse matrix for? What do you mean "get passed the inverse matrix".
We Value Quality
• Topics based on mainstream science
• Proper English grammar and spelling We Value Civility
• Positive and compassionate attitudes
• Patience while debating We Value Productivity
• Disciplined to remain on-topic
• Recognition of own weaknesses
• Solo and co-op problem solving