Cosine function in Scilab and MATLAB

The cosine function, commonly denoted as cos(x), is a mathematical function that maps an angle to the cosine of that angle. The cosine function is periodic with a period of 2π and ranges between -1 and 1.

In both Scilab and MATLAB, the cos function can be easily used to compute the cosine of an angle.

Syntax

The syntax of the cos function is as follows:

Scilab

y = cos(x)

MATLAB

y = cos(x)

where x is the angle in radians, and y is the corresponding cosine value.

Examples

Scilab

In Scilab, you can compute the cosine of an angle as follows:

// Compute the cosine of pi/4
x = %pi/4;
y = cos(x);
disp(y);

This will output 0.7071068, which is the cosine of pi/4.

MATLAB

In MATLAB, you can compute the cosine of an angle as follows:

% Compute the cosine of pi/4
x = pi/4;
y = cos(x);
disp(y);

This will output 0.7071, which is the cosine of pi/4.

Conclusion

In both Scilab and MATLAB, the cos function can be easily used to compute the cosine of an angle. The syntax is the same in both languages, and the output is also similar.