Question: eliminate of a variable from a system of equations.

August 06 2014 taro 130

Dear people in Maple Primes,


I have a question about how to solve a system of equations.

In the following equation, I want to eliminate D(a).

x := D(a*b*c = 3*d); 
y := D(a^2*b^3*c = 3*a);


For this purpose,

a code of 

d_a := isolate(x, D(a));

eval(y, d_a);

works well. But, for me, this code is a little laborious.

Is there any better way than the above way?


Thanks in advance.


taro yamada



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