Community Profile # M

Last seen: Today Active since 2021

#### Statistics

• • #### Content Feed

View by

Question

Spectrum in the freqency domiain
I have data measured by an accelerometer (Fs=50 Hz) and I want: 1- detailed code to see the spectrum of the data in the f...

alrededor de 23 horas ago | 1 answer | 0

### 1

Question

How to read comma separated .txt file in MATLAB ?
How to read comma separated .txt file in matlab ? The rows is like this : #A-R=-6.00,20.00,304.00 #A-R=-6.00,22.00,311.00 #...

1 día ago | 2 answers | 0

### 2

Question

How can I import excel file (.xlsx) in Matlab and store the 4th column in a vector?
How can I import an excel file which contains 4 columns (.xlsx) in Matlab and store the 4th column in a vector?

3 días ago | 2 answers | 0

### 2

Question

How to read data from serial communication sensor "imu GY-951 9 dof" by using Arduino in MATLAB?
How to read data from serial communication sensor "imu GY-951 9 dof" by using Arduino in MATLAB?

14 días ago | 1 answer | 0

### 1

Question

How to formulate the following vector?
I want to folmulate vector V as as the following: R is attached matrix The values of the vector should be taken from the R mat...

alrededor de 1 mes ago | 2 answers | 0

### 2

Question

How to perform the following commands?
How to perform the following commands: result1 = m(:,abs(m(2,:))< threshold ); .......... This line I want to exclude zero val...

alrededor de 1 mes ago | 1 answer | 0

### 1

Question

Plot Boxes then Plot them in the original photo ?
I want to plot only the following boxes (5,6,7,8,9,10,12,13) from 19 box which their coordinates stored in the attached file "Bo...

alrededor de 1 mes ago | 1 answer | 0

### 1

Question

How to perform the following operation ( M(:,c)=M(:,c)+thr*M(:,c).*(N*2-1); )in each column in matrix M?
How to perform the following operation ( M=M+thr*M.*(N*2-1);)in each column in matrix M? M is matrix with size 14*128 N is ra...

alrededor de 1 mes ago | 1 answer | 0

### 1

Question

How to filter the following vector from multiple vectors?
How to filter the following vector from multiple vectors? I want to do the following for each matrix stored in M suppose eac...

alrededor de 2 meses ago | 2 answers | 0

### 2

Question

How to formulate the following matrices?
How to formulate the following matrices? (which is called the transformation matrices) Theta is the degree angle which stored...

alrededor de 2 meses ago | 2 answers | 0

### 2

Question

How to Multiply the following matrices case?
How to Multiply the following matrices case: There is a matrix "T" with size 3*3*18 and another vector array "D" with size 3*1*...

alrededor de 2 meses ago | 1 answer | 0

### 1

Question

How to calculate inverse of 3d array matrices with size 3*3*18 ?
How to calculate inverse of 3d array matrices with size 3*3*18 ?

alrededor de 2 meses ago | 2 answers | 0

### 2

Question

How to calculate the distances between the transformation matriecs?
How to calculate the distances between the transformation matriecs as the following: norm([D]) = inv[of each T] multiply by th...

alrededor de 2 meses ago | 0 answers | 0

### 0

Question

How to plot multiple x,y frames based on their corresponding transformation matrices in the same figure?
How to plot multiple x,y frames based on their corresponding transformation matrices in the same figure? The attached are the tr...

alrededor de 2 meses ago | 1 answer | 0

### 1

Question

How to formulate 2D frames if I have the origin of the frames (x, y) and the inclination angle of the frame with respect to the x-axis?
How to formulate 2D frames if I have the origin of the frames (x, y) and the inclination angle of the frame with respect to the ...

alrededor de 2 meses ago | 1 answer | 0

### 1

Question

How to calculate the centroid of these bounding boxes which their 4 vertices are stored in cell array?
How to calculate the centroid of these bounding boxes which their 4 vertices are stored in cell array? The attached file is xy...

alrededor de 2 meses ago | 1 answer | 0

### 1

Question

How to calculate the inclination angle of whole box which their 4 vertices are stored in cell array with respect to the horizontal x-axis?
How to calculate the inclination angle of whole box which their 4 vertices are stored in cell array with respect to the horizon...

alrededor de 2 meses ago | 1 answer | 0

### 1

Question

Combine all columns of each slice in array as one column then convert it to 2D matrix
There is 3D matrix with size (2*3*128) , How to Combine all columns of each slice as one column then convert it to 2D matrix. ...

3 meses ago | 2 answers | 0

### 2

Question

divide each column of an array by its norm of the column
If there is array with size (2*3*128) and I want to divid each column over its norm. How to do that? For example this is ...

3 meses ago | 2 answers | 0

### 2

Question

convert matrix to array
How to convert matrix with size 5*78000 double to array type?

3 meses ago | 1 answer | 0

### 1

Question

How can I store the 100 rows of the array in one Matrix?
There is an array X with size (1*3*100) This is part from array X: val(:,:,1) = 0 0 0 val(:,:,2) = -0.0141 ...

3 meses ago | 1 answer | 0

### 1

Question

subtract matrix from vector
There are vector fH with size 14*1 and matrics fD with size 14*128 How can I subtract the first three values of each column o...

3 meses ago | 1 answer | 0

### 1

Question

How to subtract each column of a matrix from a column vector?
How to subtract each column of a matrix from a column vector?

3 meses ago | 2 answers | 0

### 2

Question

Perform calculations on matrices stored in cells
How can I do the following calculations on 128 matrices each with 14*14 size which are stored in cells?? I want to calculate...

3 meses ago | 2 answers | 0

### 2

Question

How to save 14*14 matrix in each iteration?
How to save 14*14 matrix in each iteration? There are 128 iterations and in each iteration there is a matrix named Vd with s...

3 meses ago | 2 answers | 0

### 2

Question

How to store the non zero value from each column of a matrix as a column vector (but if there is only zeros on the column store zero) in each iteration?
How to store the non zero value from each column of an output matrix which its size(5*3) as a clounm vector with a size(3*1) (bu...

4 meses ago | 2 answers | 0

### 2

Question

How to save all outputs that are produced from each iteration in separated cell in one row of array and each row expresses an iteration then store it in one .mat file?
How to save all the output from each iteration in one .mat file? Suppose we have the following program and I want to save Pd , ...

4 meses ago | 1 answer | 0

### 1

Question

How to use 1 column and all rows from a matrix in each iteration?
How to use 1 column and all rows from a matrix in each iteration? For an example there is a matrix 'M' and its size 7*127 , I...

4 meses ago | 3 answers | 0

### 3

Question

Generate all possible combinations of input vector Then store the input and outputs in each iteration in .mat file
In the following code I want to generate all probability of being 0.5 in vector 'Pd' . For example: In the first iteration P...

4 meses ago | 1 answer | 0