if det(h)>0 && h(1,1)>0 meaning in matlab

This is a conditional check condition in MATLAB using if statement.

main.m
if det(h)>0 && h(1,1)>0
    % Statements to execute when the condition is true
else
    % Statements to execute when the condition is false
end
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The above code checks if the determinant of matrix h is greater than 0 and its element at row 1, column 1, is also greater than 0. If both conditions are true, then the statements inside the if block will be executed. Otherwise, the statements inside the else block will be executed.

You can replace the Statements to execute when the condition is true and Statements to execute when the condition is false with your own code to be executed based on the condition result.