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:A numerical exercise with 4 random parameters.
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:A numerical exercise with 4 random parameters.
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The numeric reply is computed with respect to random values of 4 parameters,
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The numeric reply is computed with respect to random values of 4 parameters,
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according to various formulas.
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according to various formulas.
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<p>
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Author of the model: Gang Xiao <qualite@wimsedu.info>
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<p>Author of the model: Gang Xiao <qualite@wimsedu.info></p>
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:%%%%%%%%%%%%%%%%%      ATTENTION      %%%%%%%%%%%%%%%%%%%%
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:%%%%%%%%%%%%%%%%%      ATTENTION      %%%%%%%%%%%%%%%%%%%%
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Remove the above header if you destroy the model tags i.e.the lines starting
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Remove the above header if you destroy the model tags i.e.the lines starting
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with a ':'. Otherwise the exercise might not be recognised by Createxo.
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with a ':'. Otherwise the exercise might not be recognised by Createxo.
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$embraced_randitem
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$embraced_randitem
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\text{explain=
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\text{explain=
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Compute the determinant of the matrix \([\a,\b;\c,\d]).
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Compute the determinant of the matrix \([\a,\b;\c,\d]).
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}
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}
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:Mise en aléatoire par des accolades emboitables
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:Embraced random items
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$embraced_randitem
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$embraced_randitem
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\text{accolade=item(1,1 oui,
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\text{accolade=item(1,1 yes,
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2 non)}
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2 no)}
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:%% Calculs à ne pas modifier
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:%% Do not modify
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\text{accolade=wims(word 1 of \accolade)}
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\text{accolade=wims(word 1 of \accolade)}
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\text{explain=\accolade=1 ?wims(embraced randitem \explain)}
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\text{explain=\accolade=1 ?wims(embraced randitem \explain)}
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:%%%%%%%%%%%%% Now the statement in html. %%%%%%%%%%%%%%%%%%%%
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:%%%%%%%%%%%%% Now the statement in html. %%%%%%%%%%%%%%%%%%%%
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::You don't need to modify this in general.
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::You don't need to modify this in general.