In MATLAB, are inputs to the cosine function in degrees or radians? radians degr

Question

In MATLAB, are inputs to the cosine function in degrees or radians? radians degrees either degrees or radians neither degrees nor radians Matrix operations in MATLAB are all done element-by-element. True False Which operators in MATLAB will work for array operations? * ^/+ Which command can be used to clear the contents of the Command Window in MATLAB? close close all clear In MATLAB, what is one use of the semicolon? To silence output from line of code As the operator to indicate exponentiation

Explanation / Answer

29) Ans) either degree or radians

In Matlab we have two cosine functions. Like 'cos' for taking input argument in radians and 'cosd' for taking input argument as degrees. Since we have two differrent functions for taking input in degrees or radians. Hence the answer.

30) Ans) True

Matrix operations are calculated element by element in Matlab

31) Ans) .^

.^ stands for Array power. A.^B is the matrix with elements A(i,j) to the B(i,j) power. A and B must have the same size, unless one of them is a scalar.

32) Ans) clc

clc commands clears all input and output from command window display.

33) Ans) To silence output from a line of code

One use of ';' in Matlab is to suppress the output display of a line of code

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