
Jan Studnicka
Humusoft s.r.o.
I'm an Application Engineer for Humusoft.
Professional Interests: Machine Learning, Data Analytics, Optimization, Parallel Computing
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Submitted
Convert Variable Live Task
Interactively convert variable to a different data type in Live Script.
29 dagar ago | 5 downloads |
Solved
Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...
3 månader ago
Solved
Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...
4 månader ago
Solved
Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...
4 månader ago
Solved
Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...
4 månader ago
Solved
Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....
4 månader ago
Solved
Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...
4 månader ago
Solved
Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...
4 månader ago
Solved
Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...
4 månader ago
Solved
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
4 månader ago
Submitted
Map Area Measurement App
Select points of geographical polygon from map to measure its area and perimeter.
4 månader ago | 1 download |

Strange values of map axes limits (axesm).
Hello, The default setting for map axes is that the map frame is not visible. You need to toggle the visibility of the map fram...
7 månader ago | 0
Submitted
Polygon Drawing App
GUI for polyshape. Draw polygon and measure its area and perimeter.
8 månader ago | 4 downloads |

Solved
The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...
10 månader ago
Submitted
Import Explorer for tables
GUI for readtable and datastore. Select / sort table variables and their data types. Read from multiple tabular text or Excel fi...
12 månader ago | 7 downloads |

Custom geobasemaps not show in compiled application.
As described here: https://www.mathworks.com/help/map/ref/addcustombasemap.html?searchHighlight=addCustomBasemap&s_tid=srchtitl...
12 månader ago | 1
| accepted
Geoaxes zoom not working after adding ButtonDownFcn.
As mentioned here in the documentation: "Sometimes MATLAB® automatically disables the built-in interactions. For example, they ...
ungefär ett år ago | 1
Submitted
Pravděpodobnostní analýza ThingSpeak dat - hody kostkou
Pravděpodobnostní analýza průběžně zaznamenávaných výstupů z hodů jednou kostkou.
nästan 2 år ago | 1 download |
Is MATLAB App Designer in place of Matlab GUI in MATLAB 2020a?
Yes. You can find more information here: https://www.mathworks.com/products/matlab/app-designer/comparing-guide-and-app-de...
ungefär 2 år ago | 1
Submitted
Locale-sensitive sort
Function sort_locale performs locale-sensitive sort in MATLAB.
ungefär 2 år ago | 2 downloads |
Submitted
Vykreslení vejce
Live Script s postupem, jak vykreslit vejce ve 2D a 3D.
ungefär 2 år ago | 1 download |

Solved
Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...
mer än 2 år ago
Use find to filter for results specified by user
Hi, strcmp is slower then == and you can use == with strings. You can also save space and get better performance by using categ...
mer än 2 år ago | 0
| accepted
Hi, how can i proceed with this question, everytime i plot it, it doesn't show me my line. Can u guys help me
You are missing . before /. See: https://www.mathworks.com/help/matlab/ref/rdivide.html https://www.mathworks.com/help/matlab/...
mer än 2 år ago | 0
| accepted
Data Tip addition not working
close all; clc figPosition = [0 0 1 1]; data = readtable('FertilitySoloCountries.xlsx', 'PreserveVariableNames', true); year...
mer än 2 år ago | 0
| accepted
Gtk-Message: 16:17:51.771: Failed to load module "canberra-gtk-module"
See bug reports: https://www.mathworks.com/support/bugreports/details/1995075 "On some Linux distributions, a message appears ...
mer än 2 år ago | 2
Gtk-Message: 10:32:31.466: Failed to load module "canberra-gtk-module"
See bug reports: https://www.mathworks.com/support/bugreports/details/1995075 "On some Linux distributions, a message appe...
mer än 2 år ago | 4
How can I convert csv files to matlab whilst also looping through folders?
Hi, I would try using datastore: https://www.mathworks.com/help/matlab/datastore.html Hope it helps.
mer än 3 år ago | 0
Exception in thread "Thread-5": java.lang.NullPointerException after exiting [Matlab 2018b]
It looks like the known bug. You can find workaround here: https://www.mathworks.com/support/bugreports/1765886
mer än 3 år ago | 4
| accepted
Formula for calculating marginal risk contributions (video MATLAB for Advanced Portfolio Construction and Stock Selection Models)
Hi, correct formula is in slide number 7.
nästan 5 år ago | 0
| accepted