MATLAB Question Paper

To remove all variables from the workspace.

It displays 'Hello, World!' in the command window.

The plot function creates a 2D plot, while the plot3 function creates a 3D plot.

<p>To return the size of a matrix or array.</p> Signup and view all the answers

<p>The <code>break</code> statement exits the loop, while the <code>continue</code> statement skips to the next iteration.</p> Signup and view all the answers

<p>sum = 0; for i = 1:10, sum = sum + i; end, disp(sum)</p> Signup and view all the answers

<p>r = input('Enter the radius: '); area = pi * r^2; disp(area)</p> Signup and view all the answers

<p>a = input('Enter coefficient a: '); b = input('Enter coefficient b: '); c = input('Enter coefficient c: '); x = (-b + sqrt(b^2 - 4<em>a</em>c)) / (2*a); disp(x)</p> Signup and view all the answers

<p>A = input('Enter the matrix A: '); eigenvalues = eig(A); disp(eigenvalues)</p> Signup and view all the answers

<p>A = input('Enter the matrix A: '); det_A = det(A); disp(det_A)</p> Signup and view all the answers

<p>A = input('Enter the matrix A: '); inv_A = inv(A); disp(inv_A)</p> Signup and view all the answers

<p>A = input('Enter the coefficient matrix A: '); b = input('Enter the constant vector b: '); x = A \ b; disp(x)</p> Signup and view all the answers

<p>x = input('Enter the signal x: '); X = fft(x); disp(X)</p> Signup and view all the answers

<p>x = input('Enter the signal x: '); h = input('Enter the impulse response h: '); y = conv(x, h); disp(y)</p> Signup and view all the answers