mehdibgh

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These are questions asked by mehdibgh

In a for loop how is it possible to see ...

Asked: mehdibgh 240 Product: Maple

December 02 2018

2 0

In a for loop how is it possible to see online value of the specific parameter during the loop running?

For example I want to see the online value of the parameter t only not j and k, but it seems maple gives out all parameters.

for i to 11 do j := i^2+i; k := j+t; t := j/k end do;

(1)

In Matlab it is easily done by ignoring the end ; at the specified pararmeter computation as

for i=1:11

j= i^2+i;

k = j+t;

t = j/k

end

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How is it possible?

Error, (in unassign/indexed) arguments o...

Asked: mehdibgh 240 Product: Maple

September 27 2018

1 3

Why I could not unaasign U_hat in my following program?

Um[1, 1] := Matrix(2, 2, {(1, 1) = 1, (1, 2) = 2, (2, 1) = 3, (2, 2) = 4}); Um[1, 2] := Matrix(2, 2, {(1, 1) = 5, (1, 2) = 6, (2, 1) = 7, (2, 2) = 8})

for m to M do `#mover(mi("U"),mo("&uminus0;"))`[0 .. II, 0 .. JJ, m] := ArrayTools:-Alias(Um[1, m], [0 .. II, 0 .. JJ]) end do:

for i from 0 to qq do for j from 0 to qq do for m to 22 do `#mover(mi("U"),mo("&uminus0;"))`[i, j, m] := unassign('`#mover(mi("U"),mo("&uminus0;"))`[i, j, m]') end do end do end do

Error, (in unassign/indexed) arguments of type `indexed' must refer to tables or arrays

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Why I receive this peculiar different re...

Asked: mehdibgh 240 Product: Maple

September 15 2018

1 0

I have 2 same integrals, but there is difference between them at the end.WHy?

I__1 := add(int(zt*ro[i], zt = Z[i] .. Z[i+1]), i = 1 .. N)

(1/2)*ro[1]*(-Z[1]^2+Z[2]^2)+(1/2)*ro[2]*(-Z[2]^2+Z[3]^2)+(1/2)*ro[3]*(-Z[3]^2+Z[4]^2)+(1/2)*ro[4]*(-Z[4]^2+Z[5]^2)+(1/2)*ro[5]*(-Z[5]^2+Z[6]^2)+(1/2)*ro[6]*(-Z[6]^2+Z[7]^2)+(1/2)*ro[7]*(-Z[7]^2+Z[8]^2)+(1/2)*ro[8]*(-Z[8]^2+Z[9]^2)

(1)

ro := Vector(8, {(1) = 2051.904, (2) = 2051.904, (3) = 2051.904, (4) = 2051.904, (5) = 2051.904, (6) = 2051.904, (7) = 2051.904, (8) = 2051.904})

Z := Vector(9, {(1) = -0.4998720000e-6, (2) = -0.3749040000e-6, (3) = -0.2499360000e-6, (4) = -0.1249680000e-6, (5) = 0, (6) = 0.1249680000e-6, (7) = 0.2499360000e-6, (8) = 0.3749040000e-6, (9) = 0.4998720000e-6})