delete all rows in an array which equal 0 in matlab

To delete all rows in an array that equal zero in MATLAB, you can use logical indexing combined with the all() function. Follow these steps:

1. Create a logical index with all() function to check if each row is equal to zero:

main.m
logicalIndex = all(array == 0, 2);
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2. Use the logical index to select and delete rows from the array:

main.m
array(logicalIndex, :) = [];
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Here's a complete example:

main.m
% Create example array
array = [1 2 3; 0 0 0; 4 5 6; 0 0 0];

% Create logical index
logicalIndex = all(array == 0, 2);

% Delete rows
array(logicalIndex, :) = [];

% Display result
disp(array);
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Running this code will delete all rows in the array that are equal to zero.

Note: This approach assumes that the array contains only numerical values.