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nguyenhuyenag

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8 years, 202 days
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These are questions asked by nguyenhuyenag

Change output `<=` to `>=`...

nguyenhuyenag 90 Maple
output inequality
February 21 2020
2 4

Hi all, why maple output alway change from `> =` to `<=` ? example

How to config to `>=`. Thank you very much

How to get cylic sum and symmetric sum...

nguyenhuyenag 90 Maple
programming
June 26 2018
2 0

Hi all, how to write function to get cylic sum and symmetric sum

Example.

getSum(a, [a,b,c]) then return a + b + c,
getSum(a^2, [a,b,c]) then return a^2 + b^2 + c^2,
getSum(a^2b, [a,b,c]) then return a^2b + b^2c + c^2a,
getSum(a, [a,b,c,d]) then return a + b + c + d,
getSum(a^2b, [a,b,c,d]) then return a^2b + b^2c + c^2d + d^2a
getSum(ab, [a,b,c,d]) then return ab + ac + ad + bc + bd + cd.

Thank you very much.

Find matrx L if A = L^T*L...

nguyenhuyenag 90 Maple
linear-algebra factorization
February 10 2018
1 4

How to solve matrix in maple.

Example: Set A := Matrix(3, 3, [[2, -3, 1], [-3, 5, 0], [1, 0, 5]]). Find matrix L such that A = L^T*L.

I can solve by hand but how to use Maple?

For loop reverse...

nguyenhuyenag 90 Maple
do-loop
October 06 2017
1 2

Hi all, I want to ask how to use for loop reverse in Maple.

Example, i have array . In Java then

for(int i = arr.size(); i > 0; i--) {

    //do something

}

What is simillar for loop in Maple?

Thank you very much.

Why my function not work?...

nguyenhuyenag 90 Maple
table programming
April 26 2017
1 3

I want write function get value a1, a2, ..., an to b1, b2, ..., bn.

Example get 1, 3, -9, 5 to a, b, c, d. This is my code

myfunc := proc(oldVars,newVars)

    local i;

    if nops(oldVars) = nops(newVars) then

        for i from 1 to nops(newVars) do

            newVars[i] := oldVars[i];

        end;

    fi;

end proc:

But not work! Can someone help me. Thank you very much

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