Spectro

Faculty of Biomedical Engineering, CTU in Prague

Last seen: 5 days ago | Active since 2020

Passionate student of biomedical engineering.

Programming Languages:
Python, C++, C, C#, PHP, Javascript, R, MATLAB, SQL, HTML, CSS, Arduino
Spoken Languages:
English
Professional Interests:
Statistics and Data Analysis, Biomedical Imaging, Biomedical Engineering, Biomechanics, Biomedical Signal Processing

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Answered
Unable to Understand error: left and right side elements do not match
I think you should replace in the O_Hydrogen function this: j=japp; with this: j=japp(1);

4 months ago | 1

Submitted

HRV Artifact Correction
Heart rate variability time series artifact correction

7 months ago | 4 downloads |

Answered
Convert epoch to human readable data and time
Have a look at datetime() using parameter "ConvertFrom": epochs = [1638351674 1638351674]; datetime(epochs, 'ConvertFrom', 'ep...

10 months ago | 0

| accepted

Answered
how to display an image
What about using just tiledlayout? See the attachment (code below). M = ones(400, 200); tiledlayout(1, 6, 'TileSpacing', '...

10 months ago | 0

Answered
how can i play sounds in specific order with specific durations
Use a forcycle to run through all the notes with the appropriate durations using audioread. Also adjust each sound vector in dep...

10 months ago | 0

Question

How to handle ECG muscle noise artifacts correctly ?
I'm trying to process ECG recordings taken by Holter (bipolar chest leads) during simulations in virtual reality. Therefore, peo...

1 year ago | 1 answer | 0

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Submitted

CT Basic reconstruction algorithms
Functions demonstrating the basic principles of image reconstruction in computed tomography.

1 year ago | 14 downloads |

Solved

Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

2 years ago

Solved

~~~~~~~ WAVE ~~~~~~~~~
|The WAVE generator| Once upon a time there was a river. 'Sum' was passing by the river. He saw the water of the river that w...

2 years ago

Answered
Format a large number into small decimal number
Lookup matlab built-in functions like simplify() or vpa(). This should do the work: vpa(r, 4)

2 years ago | 0

| accepted

Answered
Generate PDF image with 76cm x 240cm
All you have to do is put this at the end of your code: set(gcf, 'units', 'centimeters', 'PaperPosition', [0 0 240 76]) saveas...

2 years ago | 0

| accepted

Solved

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

2 years ago

Solved

Circumscribed circles
Given the lengths of the 3 sides of a triangle, output the radius of the circumscribed circle. Example: [3 4 5] -> 2.5

2 years ago

Solved

What is the distance from point P(x,y) to the line Ax + By + C = 0?
Given a point, P(x,y), find the distance from this point to a linear line. INPUTS: x, y, A, B, C OUTPUTS: d, the distance ...

2 years ago

Solved

Is the Point in a Circle?
Check whether a point or multiple points is/are in a circle centered at point (x0, y0) with radius r. Points = [x, y]; c...

2 years ago

Solved

Angle between Two Vectors
The dot product relationship, a dot b = | a | | b | cos(theta), can be used to determine the acute angle between vector a and ve...

2 years ago

Solved

Volume of a Parallelepiped
Calculate the volume of a Parallelepiped given the vectors for three edges that meet at one vertex. A cube is a special case ...

2 years ago

Solved

Are all the three given point in the same line?
In this problem the input is the coordinate of the three points in a XY plane? P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) how can...

2 years ago

Solved

Television Screen Dimensions
Given a width to height ratio of a TV screen given as _w_ and _h_ as well as the diagonal length of the television _l_, return t...

2 years ago

Solved

Special matrix
Make a square matrix with this shape. For n=4 M = 1 1 0 0 1 0 1 0 0 1 0 ...

2 years ago

Solved

Mirror Image matrix across anti-diagonal
Given an input number x, create a mirror image matrix 'Y' across the anti-diagonal. For example, if x=3, Y = [1 2 3; ...

2 years ago

Solved

Create Volcano (or Atoll) martix. It is an extension of Bullseye matrix problem.
For example, if n=2 (maximum value), the output matrix should be [1 1 1 1 1; 1 2 2 2 1; 1 2 1 2 1; 1 2 2 2 1; 1...

2 years ago

Solved

Pascal's Matrix
Given an integer n ≥ 0, generate the ( _n_+1) × ( _n_+1) lower triangular <http://en.wikipedia.org/wiki/Pascal_matrix P...

2 years ago

Solved

Permute diagonal and antidiagonal
Permute diagonal and antidiagonal For example [1 2 3;4 5 6;7 8 9] -> [3 2 1;4 5 6;9 8 7] WITHOUT diag function (and variable n...

2 years ago

Solved

Rotate input square matrix 90 degrees CCW without rot90
Rotate input matrix (which will be square) 90 degrees counter-clockwise without using rot90,flipud,fliplr, or flipdim (or eval)....

2 years ago

Solved

Matrix with different incremental runs
Given a vector of positive integers a = [ 3 2 4 ]; create the matrix where the *i* th column contains the vector *1:a(i)...

2 years ago

Solved

surrounded matrix
With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones: A = [1 2 ...

2 years ago

Solved

Make an awesome ramp for a tiny motorcycle stuntman
Okay, given a vector, say v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 3 6 9 11 0; 6 9 ...

2 years ago

Solved

N-Dimensional Array Slice
Given an N-dimensional array, _A_, an index, _I_, and a dimension, _d_, return the _I_ th elements of _A_ in the _d_ dimension. ...

2 years ago

Solved

Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

2 years ago

Spectro

Faculty of Biomedical Engineering, CTU in Prague

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