Question

Finding the area under a polynomial equation in MATLAB

Hi. I have two vectors like these. X=[0 0.0300 0.0333 0.0469 0.0575 0.0649 0.0960 0.1262 0.1610 0.1717 0...

2 years ago | 2 answers | 0

Question

How can I solve an equation in a While loop?

Hi. I have a equation like below. [m1 m2 ; m3 m4] * [d1 ; d2] = [c1 ; c2] The values of |m1|, |m2|, |m3|, |m4| and |...

2 years ago | 2 answers | 0

Question

Wavelet Neural Network for Function Approximation in MATLAB

Hi all. I am trying to do a function approximation in MATLAB. My question is that is there any code for Function approximati...

2 years ago | 0 answers | 0

Question

Multiple Linear Regression creates same results as the Target values

Hi. I have to use the Multiple linear Regression in Matlab. I have the X matrix of size 10*1000 and Y Matrix of size 10*1. I use...

2 years ago | 1 answer | 0

Question

how to get a special view of a plot in MATLAB

Hi. I have plotted a 3D plot in matlab and the labels of x, y and z in my plot are i, j and k. I want to get the view of this...

2 years ago | 1 answer | 0

Question

Replacing same rows with same variables in first to third column

Hi. I have two matrices named aa and m. aa=[1 2 3 7 4 5 6 8 7 8 9 9 3 ...

3 years ago | 2 answers | 0

Question

Special selecting rows of a matrix

Hi. I have a matrix of size m*n. I want to select those rows of this matrix that their value in 10th column are between 10 to...

3 years ago | 1 answer | 0

Question

Finding equal members in a vector

Hi. My question is how can I find equal members in a vector with their indices. For example I have this vector. V = [ 10 ...

3 years ago | 4 answers | 0

Question

How to Add Legend to Plotted Data

Hi. I've plotted 27 cubes with this code: <https://www.mathworks.com/matlabcentral/fileexchange/15161-plotcube> for i=1:siz...

3 years ago | 1 answer | 0

Question

Creating random values with 2 Variable-precision accuracy in Matlab

Hi. I want to create some random values between 0.17 and 0.87 by using the unifrnd command. My question is how can I create val...

3 years ago | 2 answers | 0

Question

Adding legend to plots created by for loops

l want to make a legend for my figure that was created by 3 for loops like mentioned below : legend 1 : essential lege...

3 years ago | 1 answer | 0

Question

How to randomly moving rows of a matrix

I have a hypothetical matrix named A, e.g. A=[1 2 3 4 5 6 7 8 9 4 6 8 3 4 7 6 8 9 2 4 9 2...

3 years ago | 1 answer | 0

Question

Special plot3 command in Matlab

Hi. I have a matrix named S, e.g. S = [25 4 14 26 4 14 27 4 14 28 4 14 ...

3 years ago | 1 answer | 0

Question

Sorting from the maximum value to minimum value in a vector

Hi. I have a vector named A, e.g. A=[2 5 8 7 8 9 3 7 6 5 4 1] I want to sort the members of vector A from maximum to min...

3 years ago | 3 answers | 0

Question

Special 3D Plotting

Hi. Imagine I have a hypothetical Rubix cube with arbitrary numbers of inner cubes. The co-ordinates of the center points of ...

3 years ago | 0 answers | 0

Question

How can I delete some rows of a matrix

Hi. Suppose I have matrix A e.g. A=[8.2505 4.8825 2.2563 0.0020 0 8.2505 4.8825 2.2687 0.0020 ...

3 years ago | 1 answer | 0

Question

How to calculate Tangent of angles in degree

Hi. I have a vector of angles in degrees. My question is how can I calculate the Tangent of these angles ? Angles = [ 40 45...

3 years ago | 1 answer | 0

Question

Finding equal values, between values, greater than and lesser than values of a matrix based on some values

Hi. Suppose I have matrix A of size (m*n) e.g. A = [12 44 93 43 128 44 145 41 180 41 22...

3 years ago | 1 answer | 0

Question

Finding the values right after and right before some values in a matrix

Hi. Suppose I have the matrix A of size (m*n). A = [12 44 93 43 128 44 145 41 180 41 22...

3 years ago | 2 answers | 0

Question

Finding Middlemost row in a matrix

Hi. Suppose I have a (m*n) matrix A e.g. A=[8.9505 4.8075 1.6187 0.0020 8.9755 4.7575 1.6187 0.0020 ...

3 years ago | 2 answers | 0

Question

Find Minimum based on new criteria

Hi. Suppose I have a matrix A e.g. A=[ 8.2505 4.8825 2.2563 0.0020 0 8.2505 4.8825 2.2687 ...

3 years ago | 2 answers | 0

Question

How to vertcat 100 matrices ?

Hi. Suppose I have 100 numbers of (m*3) matrices. These matrices have different numbers of rows and same numbers of columns. I w...

3 years ago | 1 answer | 0

Question

Finding and saving identical rows in a matrix

Hi, Suppose I have an (m*n) matrix A, e.g. A=[ 3 2 3.5 2 2 3.5 4 2 3.5 2 3 3.5 3 3 3.5 4 3 3.5 2 4 3.5 3 4 3.5 ...

3 years ago | 2 answers | 0

Question

How can I plot a set of 3D rectangles?

I want to plot a set of 3D rectangles based on a text file shown below. The XC, YC and ZC columns are the coordinates of the...

3 years ago | 0 answers | 0

Question

How can I subtracting the members of a 3D Matrix ?

Hello every one. I have a 3D matrix of size every member of this matrix is a random number between 1 to 5 like from ...

4 years ago | 1 answer | 0

Question

RMSE or NRMSE ??

Hello every one I have a question about RMSE in function approximation with neural networks . I have Normalized ALL of my ...

4 years ago | 0 answers | 0

Question

RMSE in Normalized Data .

Hello every one I have a question about RMSE in function approximation with neural networks . I have Normalized my Data in...

4 years ago | 1 answer | 0

Question

Whats the value of B ??

Hello every one. I wanna find the value of *B*, that make the variable *Z=0.8* or very close to *0.8*. How can I do that in ...

4 years ago | 2 answers | 0

Question

Is this code right ? this code is for creating Feedforward neural network in matlab for function approximaton.

hello every one. this code is for function approximation with Feedforward neural network in Matlab R2015b. Data = xlsrea...

4 years ago | 0 answers | 0

Question

What kind of RMSE should I choose to show the capability of function approximation with Neural Networks ؟

Hello every one This Data set shown below is one of My Data set for function approximation with Neural Network in MATLAB. Th...

4 years ago | 1 answer | 0