concatenate column values in a vector

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Elysi Cochin
Elysi Cochin 2019-11-20
回答： Steven Lord 2019-11-20
i have a vector
v1 = [ 1,0,1,0] (dim 1x4 double)
i wanted to join the values in v1 to a new variable
v2 = [1010] (dim 1x1 double)
how to do so

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采纳的回答

KALYAN ACHARJYA
KALYAN ACHARJYA 2019-11-20
编辑：KALYAN ACHARJYA 2019-11-20
Simpler way:
v=[1,0,1,0];
result=str2num(sprintf('%1d',v))
here the same question Credit: @per isakson
Result:
result =
1010
>>

更多回答（2 个）

Erivelton Gualter
Erivelton Gualter 2019-11-20
You can use the following line of code:
v2 = sum(v1*diag(10.^(length(v1)-1:-1:0)));
Steven Lord
Steven Lord 2019-11-20
Treat v1 as the coefficients of a polynomial and evaluate that polynomial for x = 10.
v1 = [ 1,0,1,0];
v2 = polyval(v1, 10)

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