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I want to multiply 2 arrays

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summyia qamar
summyia qamar am 14 Dez. 2016
Bearbeitet: Stephen23 am 14 Dez. 2016
A=
[4951;
5782;
9553;10384]
B=[2;2.5;2.8;3]
C=A.*B or bsxfun(@times,A,B)
the result is
1.0e+04 *
0.9902
1.4455
2.6748
3.1152
why is this so?

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Antworten (2)

John D'Errico
John D'Errico am 14 Dez. 2016
Bearbeitet: John D'Errico am 14 Dez. 2016
Oh. That is not the product of those numbers? Seems right to me, as long as you don't miss that factor of 1e4 out front.
What did you expect?
doc format
  2 Kommentare
summyia qamar
summyia qamar am 14 Dez. 2016
how to get the exact numbers?without this 1e4 format
Guillaume
Guillaume am 14 Dez. 2016
As per John's anwser:
doc format
Or if it's really that hard to type that into matlab, click on this link
Personally, I use format longg

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David Barry
David Barry am 14 Dez. 2016
I don't see the problem. What are you expecting the answer to be?
  • 4951 * 2 = 9902
  • 5782 * 2.5 = 14455
  • etc...
  2 Kommentare
summyia qamar
summyia qamar am 14 Dez. 2016
the exact values..correct decimal place
David Barry
David Barry am 14 Dez. 2016
MATLAB has given you the exact values. Do you not understand scientific notation? I suggest you Google it if not. What exactly do you mean by "correct decimal place".

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