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Consideremos las matrices <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»A«/mi»«mo»=«/mo»«mi»#A«/mi»«/math»</span> y <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»B«/mi»«mo»=«/mo»«mi»#B«/mi»«/math»</span>. Marca las afirmaciones que sean ciertas: <br />
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a., b., c., ...
A., B., C., ...
1., 2., 3., ...
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Algorithm
Choice 1
Answer
El producto A · B no se puede realizar ya que las matrices deben tener las mismas dimensiones
Grade
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Feedback
Recuerda que dos matrices se pueden multiplicar si el número de columnas de la primera es igual al número de filas de la segunda. Fíjate que la matriz A tiene #b columnas y la matriz B tiene #b filas .
Choice 2
Answer
No podemos calcular la matriz resultante de A + B
Grade
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83.33333%
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66.66667%
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Feedback
Muy bien. Para poder sumar dos matrices deben tener la misma dimensión.
Choice 3
Answer
Podemos calcular A · B y la matriz resultante es una matriz de dimensión #b x #b
Grade
None
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Feedback
La matriz resultante de un producto A · B tendrá el mismo número de filas que la matriz A y el mismo número de columnas que la matriz B.
Choice 4
Answer
Podemos calcular A · B y la matriz resultante es una matriz de dimensión #a x #a
Grade
None
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Feedback
Muy bien, el número de columnas de A coincide con el número de filas de B y, entonces, podemos multiplicarlas. Y la matriz resultante tiene el mismo número de filas que la matriz A y el mismo número de columnas que la matriz B.
Choice 5
Answer
Grade
None
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83.33333%
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66.66667%
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Feedback
Choice 6
Answer
Grade
None
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66.66667%
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Feedback
Choice 7
Answer
Grade
None
100%
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83.33333%
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70%
66.66667%
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33.33333%
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Feedback
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100%
50%
33.33333%
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0%
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Hint 2
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Created / last saved
Created
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Wednesday, 12 June 2013, 1:11 PM
Last saved
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on
Wednesday, 12 June 2013, 1:11 PM
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