## How do you find the product of an array in Matlab?

B = prod( A ) returns the product of the array elements of A . If A is a vector, then prod(A) returns the product of the elements. If A is a nonempty matrix, then prod(A) treats the columns of A as vectors and returns a row vector of the products of each column.

## How do you calculate cross product?

We can calculate the Cross Product this way: So the length is: the length of a times the length of b times the sine of the angle between a and b, Then we multiply by the vector n so it heads in the correct direction (at right angles to both a and b).

**How do you find the inner product of two vectors in Matlab?**

- function y = inner(a,b);
- % This is a MatLab function to compute the inner product of.
- % two vectors a and b.
- % Call syntax: y = inner(a,b) or inner(a,b)
- % Input: The two vectors a and b.
- % Output: The value of the inner product of a and b.
- c=0; % intialize the variable c.
- n= length(a); % get the lenght of the vector a.

### What is the dot function in Matlab?

C = dot( A,B ) returns the scalar dot product of A and B . If A and B are vectors, then they must have the same length. In this case, the dot function treats A and B as collections of vectors. The function calculates the dot product of corresponding vectors along the first array dimension whose size does not equal 1.

### How do you write COS 1 in Matlab?

Y = acos( X ) returns the Inverse Cosine (cos-1) of the elements of X in radians. The function accepts both real and complex inputs. For real values of X in the interval [-1, 1], acos(X) returns values in the interval [0, π].

**How to calculate the cross product of an array?**

In this case, the cross function treats A and B as collections of three-element vectors. The function calculates the cross product of corresponding vectors along the first array dimension whose size equals 3. C = cross(A,B,dim) evaluates the cross product of arrays A and B along dimension, dim.

#### How to create a cross product in MATLAB?

If x, y, and z are the vectors, then the scalar triple product of these vectors will be in the form of x+ (y*z) = (x*y) +z If x, y, and z are the vectors, then the vector triple product of these vectors will be in the form of x* (y*z) = (x+z) y – (x+y) z

#### How to calculate the product of array elements in MATLAB?

B = prod (A,vecdim) computes the product based on the dimensions specified in the vector vecdim. For example, if A is a matrix, then prod (A, [1 2]) is the product of all elements in A, since every element of a matrix is contained in the array slice defined by dimensions 1 and 2.

**How to get the cross product of A and B?**

C = cross(A,B) returns the cross product of A and B. If A and B are vectors, then they must have a length of 3. If A and B are matrices or multidimensional arrays, then they must have the same size.