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Question: Bug: Copy as MathML does not work

Question:Bug: Copy as MathML does not work

pik1432 245 Maple
export mathml copy
January 24 2020
1

When I tried to copy any of the expression among (1) and (4), the only MathML string appearing at the target application is this:

<math xmlns='http://www.w3.org/1998/Math/MathML'></math>

 


 

> 

restart:
> 

n:= 2:
> 

X:= Vector(n, symbol= x);

Vector(2, {(1) = x[1], (2) = x[2]})

 (1)
> 

W:= Matrix(3,2, symbol= w);

Matrix(3, 2, {(1, 1) = w[1, 1], (1, 2) = w[1, 2], (2, 1) = w[2, 1], (2, 2) = w[2, 2], (3, 1) = w[3, 1], (3, 2) = w[3, 2]})

 (2)
> 

V:= W.X;

Vector(3, {(1) = w[1, 1]*x[1]+w[1, 2]*x[2], (2) = w[2, 1]*x[1]+w[2, 2]*x[2], (3) = w[3, 1]*x[1]+w[3, 2]*x[2]})

 (3)
> 

answer:=seq(diff~(v,W), v= V);

answer := Matrix(3, 2, {(1, 1) = x[1], (1, 2) = x[2], (2, 1) = 0, (2, 2) = 0, (3, 1) = 0, (3, 2) = 0}), Matrix(3, 2, {(1, 1) = 0, (1, 2) = 0, (2, 1) = x[1], (2, 2) = x[2], (3, 1) = 0, (3, 2) = 0}), Matrix(3, 2, {(1, 1) = 0, (1, 2) = 0, (2, 1) = 0, (2, 2) = 0, (3, 1) = x[1], (3, 2) = x[2]})

 (4)
> 

 


Can you tel me how to fix this error?

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