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Question: how to make desired polynomials with sum of the power lower than 3 ?

Question:how to make desired polynomials with sum of the power lower than 3 ?

mehdi jafari 754
polynomial procedure sum summation poly
March 09 2015
1

hi everyone.how can i write a function or procedure or summation so that i can write down the following polynomial ? i just want to create a set of polynomials which their summation of power ( power of x + power of y ) be less than three or equal to three ? the coefficients priority is not important , for example it is not important that a1 multiplies to x or y , i just want to create this polynomial with some coeeficients. tnx for help

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restart:
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a[9]*y^3+x^3*a[8]+x^2*y*a[5]+x*y^2*a[7]+x^2*a[2]+x*y*a[4]+y^2*a[6]+x*a[1]+y*a[3]+a[0];

x^3*a[8]+x^2*y*a[5]+x*y^2*a[7]+y^3*a[9]+x^2*a[2]+x*y*a[4]+y^2*a[6]+x*a[1]+y*a[3]+a[0]

 (1)
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