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How to update a symmetric matrix?
I want to update a symmetric matrix values using Particle Swarm Optimization, I mean the final updated matrix should be kept sym...

25 dagen ago | 1 answer | 0

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Question

How to replace the non zero values of a matrix with another value?
How to replace the non zero values of a matrix with another value? If there is a matrix 5*5 and it contains zero values, how ca...

ongeveer een maand ago | 1 answer | 0

1

Question

Error when reading the text file
I have the following text file and I want to read it, when I read it I got the following error : I know that the source of er...

ongeveer 2 maanden ago | 2 answers | 0

2

Question

Sine curve fitting in MATLAB
I have used @Star Stider code for sin fitting, and I got the following errors, how to fix it ? y = [ 0.0060 ;0.0077 ;0.0058...

2 maanden ago | 2 answers | 0

2

Question

How to use tiledlayout in Matlab 2018a ?
How to use tiledlayout in Matlab 2018a ? I want to run the following code in 2018a but I got Undefined function or variable ...

2 maanden ago | 0 answers | 0

0

Question

Displacement from acceleration measurements
I have the attached acceleretion measurements and I have used the following code to get the displacement. I suspected to get t...

2 maanden ago | 1 answer | 0

1

Question

How to read comma separated .txt file in matlab R2018a?
How to read comma separated .txt file in matlab R2018a? The rows is like this : And I want only the data which begins in "Sen...

3 maanden ago | 1 answer | 0

1

Question

How to do the following two for loop?
How to do the following two for loop? i=0.1:0.1:0.9 ; M=[1 1 1 1 1 1]; first outer loop : In the 1st inner loop Assig...

4 maanden ago | 3 answers | 0

3

Question

How to find a unique indicator of a specific matrix?
Can we find a unique indicator of a specific matrix? for example, if there is the following matrix (generated by a specific c...

4 maanden ago | 1 answer | 0

1

Question

How to find the angle between two hyper planes?
How to find the angle between two hyper planes? for example the following two planes? Plane 1 P1=[396326796.725069 -205153846...

4 maanden ago | 1 answer | 0

1

Question

How to check that these points formulate flat plane(on the same plane)?
In hyperplanes (4d and more),How to check that these points formulate flat plane(on the same plane)? for example these points...

4 maanden ago | 1 answer | 0

1

Question

How can we find the intersection between two planes in higher dimensions (4d space and above)?
How can we find the intersection between two planes in higher dimensions (4d space and above)? For example we have the following...

4 maanden ago | 1 answer | 1

1

Question

How to find the orientation of the line of the intersection between two planes?
Is there any method/indiacator that i can use to know the orientation of the the intersection line between two planes( using Dua...

4 maanden ago | 2 answers | 0

2

Question

How to find the normal vector on a Plane in 4d and above?
How to find the normal vector on a Plane in 4d and above? If a plane in 4d contains the following points , how to find the no...

4 maanden ago | 1 answer | 0

1

Question

How can I generate a trigonometric formula for the following case?
How can I generate a trigonometric formula for the following case? I want a formula that gives a certain value when I substitu...

4 maanden ago | 3 answers | 0

3

Question

How to find the line of intersection between the following two planes and plot the intersected line on the same two planes?
How to find the line of intersection between the following two planes and plot the intersected line on the same two planes? ...

4 maanden ago | 1 answer | 0

1

Question

Orthogonality by Singular value decomposition "svd"
How to use the Singular value decomposition "svd" to perform the Orthogonalization between vectors?

4 maanden ago | 1 answer | 0

1

Question

Projection using Modified Gram-Schmidt orthogonality
Hello, I need the Modified Gram-Schmidt orthogonalization method in my Research. I wrote the following code for the project...

4 maanden ago | 1 answer | 0

1

Question

How can I do curve fitting depending in the following formula?
I am doing a research and I want to do curve fitting and know the value of "V" depinding on the following function: F(V) = (K-...

6 maanden ago | 1 answer | 0

1

Question

Particle Swarm Optimization PSO
The following is the PSO code, the varible that the PSO returns is "x" and its size is 7*1 , Can anyone help me how can I put co...

6 maanden ago | 1 answer | 0

1

Question

How to round numbers in the matrix
There is a matrix 3×3 containing numbers from 0 to 1, but each number contains many decimals such as 0.120886554436, 0.092568479...

8 maanden ago | 1 answer | 0

1

Question

I want to fix the zeros values in their same indices in certain two matrices A and B (to not be updated) in a cost function?
I want to build a cost function, I want to fix the zeros values in their same indices in certain two matrices A and B (to not b...

8 maanden ago | 1 answer | 0

1

Question

How to store the following Matrix in a variable?
How to store the following Matrix in the variable C? I got the following error M = ones(7); C = M(logical(eye(7))) = 0.4

9 maanden ago | 1 answer | 0

1

Question

How to produce a matrix with the following conditions?
How to produce a matrix which size is 7*7 and contains all possible single locations of a certain value and the rest of the colu...

9 maanden ago | 2 answers | 0

2

Question

How to know the x projection in this function if the y is known?
How to know the x projection in this function if the y is known? For example If the y = 0.4 what is the x? xA = 0; xB = 1; ...

9 maanden ago | 1 answer | 0

1

Question

How can I compute the Area and the Centroid of the following shape?
How can I compute the Area and the Centroid of the following shape? I have used the following code to construct it: xA = 0; ...

9 maanden ago | 4 answers | 0

4

Question

What is the best function of the following shape?
How can I construct this shape? what is the best function of it? It is more like sigmoid function + straight line But I cant...

9 maanden ago | 5 answers | 0

5

Question

How to calculate the mean value of the non vero value in a vector?
How to calculate the mean value of the non vero value in a vector? For example there is a vector contains 3 values M = [0.7,0.3...

9 maanden ago | 2 answers | 0

2

Question

How to find the index of the values which are bigger than zero the following case?
How to find the index of the values which are bigger than zero the following case? There is a vector M contines three value ...

9 maanden ago | 2 answers | 0