MATLAB: How to code inverse of cosine in matlab? because i want to multiply it with 0.245.I have tried such codes like arccos,cosd and i cant get correct values by cross check with scientific calculator and got correct value too.But i need to know in matla

calculator

how to code inverse of cosine in matlab? because i want to multiply it with 0.245.I have tried such codes like arccos,cosd and i cant get correct values by cross check with scientific calculator and got correct value too.But i need to know in matlab.

Best Answer

You know that matlab comes with documentation, right? How about looking it up in the doc under trigonometry

Use acos or acosd.

Related Solutions

MATLAB: The result of acosd (0) only 90

ACOSD is a SISO function that returns only one output value for each input value (real or complex).

You could see the behaviour of acosd in real, imaginary, absolute and phase plane.

x = [-5:0.00001:5];
subplot(2,2,1), plot(x,real(acosd(x)));
title('y = real(acos(\alpha))'),xlabel('\alpha [º]'),ylabel('y'),
subplot(2,2,2), plot(x,imag(acosd(x)));
title('y = imag(acos(\alpha))'),xlabel('\alpha [º]'),ylabel('y'),
subplot(2,2,3), plot(x,abs(acosd(x)));
title('y = abs(acos(\alpha))'),xlabel('\alpha [º]'),ylabel('y'),
subplot(2,2,4), plot(x,phase(acosd(x)));
title('y = phase(acos(\alpha))'),xlabel('\alpha [º]'),ylabel('y'),

MATLAB: Making a transformation matrix and using it to rotate vectors

No need to use symbolic here.

x = pi/7; 
A =[cos(x),-sin(x);cos(x),sin(x)]; 
v = [2;-7]; 
Answer = A*v;

Best Answer

Related Solutions

MATLAB: The result of acosd (0) only 90

MATLAB: Making a transformation matrix and using it to rotate vectors

Related Question