how to program this function

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t sizzle
t sizzle 2021 年 4 月 21 日
コメント済み: Rena Berman 2021 年 5 月 6 日
I am trying to program a function (as a separate matlab function, not in the main script) which takes values for variables from different arrays and uses them in the calculation. Here is the function
I am running into a problem because I need to test every A and B value for each coordinate ([1,8], [3,9], [4,2], [9,4]), but since the arrays are different sizes it keeps returning errors.
None of the methods I have tried has worked. The different example arrays I have are as follows.
a = [2:0.2:20];
b = [2:0.2:20];
x = [1,3,4,9];
y = [8,9,2,4];
%numerical values will change based on parameters the user enters. Will
%always be the same size though.
  2 件のコメント
Stephen23
Stephen23 2021 年 4 月 28 日
編集済み: Stephen23 2021 年 4 月 28 日
Original question retrieved from Google Cache:
how to program this function
I am trying to program a function (as a separate matlab function, not in the main script) which takes values for variables from different arrays and uses them in the calculation. Here is the function
I am running into a problem because I need to test every A and B value for each coordinate ([1,8], [3,9], [4,2], [9,4]), but since the arrays are different sizes it keeps returning errors.
None of the methods I have tried has worked. The different example arrays I have are as follows.
a = [2:0.2:20];
b = [2:0.2:20];
x = [1,3,4,9];
y = [8,9,2,4];
%numerical values will change based on parameters the user enters. Will
%always be the same size though.
Rena Berman
Rena Berman 2021 年 5 月 6 日
(Answers Dev) Restored edit

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回答 (1 件)

DGM
DGM 2021 年 4 月 21 日
Reorient the vectors. If you're using R2016b or newer, you can do this:
c = sum(sqrt((a-x').^2 + (b-y').^2),1)
otherwise, you can use bsxfun(). The point is to generate a distance vector for each x,y pair, resulting in a 2D array. Then just sum the rows.

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