Which MATLAB statement will square the elements of a vector x? x+x x^2 x*x x,^2

Question

Which MATLAB statement will square the elements of a vector x? x+x x^2 x*x x,^2 Which is not a predefined constant in MATLAB? NaN Inf i phi Which MATLAB statement calculates the height of a ball at each instance contained in t? The position of the ball is by the function y(t) = 10 + 2.3*t+ 4.9*t. y_t = 10 + 2.3.*t + 4.9*t.^2 y_t = 10 + 2.3*t + 4.9*t^2 y_t 10 + 2.3.*t + 49*t^2 y_t 10 + 2.3*t + 49*t*t In MATLAB, vectors can be entered as either rows or columns What character separaties the columns in a column vector? period(.) colon(;) comma(,) semicolon(;) In MATLAB, the operator for exponents is ^.

Explanation / Answer

34.

x.^2 is a matlab statement will square the element of a vector x.

Option 4 corrct.

35.

NaN is a predefined function it checks values that are neither real nor complex by the special value NaN.

We can represent infinity by the special value inf.

we can use i to enter complex numbers.

phi is not a predefined function.

Option 4 is correct.

36.

Option 1 is correct.

Reason :

The square can be calculated using 4.9*t.^2.

Option 1 is correct.

37.

In MATLAB, vectors can be entered as either rows or columns. Semicolon (;) separates the elements in a column vector.

Option 4 is correct.

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