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I have data as shown, and I am using if statement but it is giving error as, Undefined function 'lt' for input arguments of type 'cell', please help?

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Sachin Patil
Sachin Patil 2016-8-30
关闭： MATLAB Answer Bot 2021-8-20
ca =
[ 1.3589]
[ 7.9773]
[28.2728]
[28.2728]
[ 0]
[ 0]
[ 0]
[ 0]
[ 0]
[ 0]
[ 0.8705]
[ 7.4681]
[28.2728]
[37.0303]
[ 0]
[ 0]
[ 0]
[ 0]
[ 0]
[ 0]
if (0<ca)&&(ca>70)
do this
else
do this
end
  2 个评论
Thorsten
Thorsten 2016-8-30
Do you want to do "this" it the condition is true for all elements, or do you want to check each individual cell? And what should happen if the cell is empty?

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回答（1 个）

Star Strider
Star Strider 2016-8-30
编辑：Star Strider 2016-8-30
You can do the comparison with cellfun. I am not certain what your code is doing, so this function can do element-by-element comparisons in a loop, or you can create a logical vector from the entire ‘ca’ cell array:
LF = @(x) cellfun(@(x) ((0<x) & (x>70)) & ~isempty(x), x, 'Uni',0); % Element-By-Element Comparison Function
Lv = LF(ca); % Entire Vector Comparison
Note that none of the elements in ‘ca’ will test true for your conditions.
  4 个评论
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Star Strider
Star Strider 2016-8-31
Then my function becomes:
LF = @(x) cellfun(@(x) ((0<x) & (x<70)) & ~isempty(x), x, 'Uni',0); % Element-By-Element Comparison Function

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