Which statement is true about the sparse matrices?

Which statement using logical indices will result in an error? A = 1:10;

Which statement creates a logical array that is 1 if the element in passwords contains a digit and 0 if it does not? Passwords = {'abcd' '1234' 'qwerty' 'love1'};

Which is NOT a function that adds text to a plot?

What kind of files are stored with the .mat extension?

Which statement returns 1 (true)? a = 'stand' b = "stand"

Which statement is true about the sparse matrices?

Which statement returns a cell array of the strings containing 'burger' from menu? Menu = {'hot dog' 'corn dog' 'regular burger' 'cheeseburger' 'veggie burger'}

You have loaded a dataset of people's heights into a 100 x 1 array called height. Which statement will return a 100 x 1 array, sim_height, with values from a normal distribution with the same mean and variance as your height data?

Which choice is the proper syntax to append a new elements a to the end of 1x 2 dimensional cell array C?

Which statement returns the roots for the polynomial x^2 + 2x - 4?