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Unable to perform assignment because the left and right sides have a different number of elements - Gauss-Seidel Method to solve for inverse matrix
For this case, it seems vec has 5x1 size. So you should you sum instead of trace. function [abserr] =errnorm(vec) vec = a...

mer än 4 år ago | 1

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Answered
Unable to perform assignment because the indices on the left side are not compatible with the size of the right side - Jacobi method inverse calculation
Function errnorm(vec) has inconsistent size. Try the following modifications: function [abserr] =errnorm(vec) vec = abs(ve...

mer än 4 år ago | 1

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Answered
Undefined function 'abs' for input arguments of type 'cell'.
It is saying A is a cell type. In order to check it, run the following code: class(A) If this is the case, the following shoul...

mer än 4 år ago | 1

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Answered
Rewrite for loop with find function
The function find returns the indeces according to the condition. So, in order to diplay the values, you might use the following...

mer än 4 år ago | 1

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Accessing data variables from another function
I did not get the final goal, but I fixed your code. F2([1,1,1 ; 2 2 2 ; 3 3 3]) function [Q,R] = F1(A) Q = 2*A R ...

mer än 4 år ago | 1

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Answered
I need a code to count how many raw in my matrix above zero?
You might use the function find (https://www.mathworks.com/help/matlab/ref/find.html). Check the following code: B = [1,-1; 2,...

mer än 4 år ago | 0

Answered
Index exceeds the number of array elements (2)
Hi Ali, Your dsolve function has 4 states variables: dx(1,1), dx(2,1), dx(3,1), and dx(4,1). Therefore you need an initial vari...

mer än 4 år ago | 1

Answered
How to define limit of quiver axis?
You could use axis function. For more information check here: https://www.mathworks.com/help/matlab/ref/axis.html See the follo...

mer än 4 år ago | 3

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Answered
Using 3x3 matrix to create 21x21 matrix
It is not clear the overlap values. I assumed the following: k33+k11 k33+k12 K33+k13 K33+k23 ..., Until the last is k33+k3...

mer än 4 år ago | 1

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Answered
Apply equation to an array of values producing a new data set
You do not need a door loop. Matlab is built to handle this kind of operation. Check the following: T = 1:1:122736; FcnT...

mer än 4 år ago | 2