Math Is Fun Forum

Oluala1

Member

Registered: 2012-03-12

Posts: 2

help

I need help on how to do inversion in matrix

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: help

Hi Oluala1;

Welcome to the forum. How big is the matrix?

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In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Bob

Administrator

Registered: 2010-06-20

Posts: 10,649

Re: help

hi Oluala1

Welcome to the forum! 

2 by 2 look here:

http://www.mathsisfun.com/algebra/matrix-inverse.html

Bob

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Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob

kpinky

Member

Registered: 2012-03-25

Posts: 1

Re: help

Hi please help me .. I am new here. I am a Maths student. I want to learn maths and score good marks in my coming exams. I score good in all subjects but often gets least marks in maths. My classmates are good in maths and getting good ranks, because of my poor performance in maths i am unable to get good rank. I recently found a link on youtube which was suggested by my neighbor. She told me its pretty good site to learn maths. Can anyone help me in telling will the site help me in learning perfect maths. Please clarify. If anyone used the site earlier then please provide some more information on the site.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: help

Hi kpinky;

You should try

http://www.mathsisfun.com/

You can post any questions you have right here. I really think that is a better way to improve the math you already know.

Welcome to the forum.

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Bob

Administrator

Registered: 2010-06-20

Posts: 10,649

Re: help

hi kpinky,

Welcome to the forum.

I agree with bobbym.  Try the Maths Is Fun learning pages and if you have a question or topic that you need more help with, post it here on the forum and there's lots of us who will try to help.

Bob

---

Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob