Thursday 28 July 2011

LeSsOnS bY dIfFeReNt TeAcHeR :)


YUP..YOU ALL READ MY POST RIGHT..YESTERDAY'S LESSON WAS THOUGHT BY MS. MALAR BECAUSE UNFORTUNATELY MS. JOANNE COULD'NT COME TO CLASS TODAY..SO BASICALLY WE LEARNED ONE MAIN THONG TODAY..FINITE DIFFERENCES..IT WAS NOT THAT HARD BECAUSE WE LEARNT A BIT ABOUT IT LAST WEEK..AND I HAVE ALSO NOTED DOWN SOME INFORMATION ON FINITE DIFFERENCE BEFORE...WE WERE ALSO TAUGHT HOW TO USE GRAPHIC CALCULATOR TO FIND FINITE DIFFERENCE WHICH IS SO MUCH EASIER THAN DOING MANUALLY TRUST ME..HEHEH..AND WE WERE ALSO GIVEN HOMEWORK OF EXPLORING OUR CALCULATORS FUNCTIONS MAINLY LEARNING HOW TO FIND THE VALUES OF AN EQUATION USING JUST A GIVEN TABLE OF X AND Y VALUES...AND IT WAS HARD TO DO IT AT FIRST..WE HAD TO TRY LIKE SO MANY TIMES..BUT ATLAST WE GOT IT..WELL, I DIDNT GET IT REALLY..IT WAS MY FREN WHO GOT IT AND TAUGHT ME HOW TO DO IT XD!!!

SO...IMPORTANT THINGS YESTERDAY ~

EXPONENT OF A TERM IS CALLED n

nTH CONSTANT DIFFERENCE = HIGHEST EXPONENT OF AN EQUATION

SIGN OF CONSTANT FINITE DIFFERENCE = SING OF LEADING COEFFICIENT

LEADING COEFFICIENT = CONSTANT FINITE DIFFERENCE / n!

! = FACTORIAL (EXP : 4! = 4 x 3 x 2 x 1)

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