Odnoklassniki Ru

http://simulations.narod.ru/See animation here:This code is to make time-lapse movie with camera always directed to mounting. The movie was made with digital camera. I made ~200 photos while go walk. Each 20 steps I made 1 frame that is about 13 meters. Then 200 frames played with 20 frames per...

http://simulations.narod.ru/The program continuously listens microphone and plot signal waveform. Position of maximum is used for synchronization. This can be useful in speech recognition research.See how it works here:run run_me.m and say sounds like "aaa" "eee" to the microphone.

http://simulations.narod.ru/It is inverted pendulum. Down point is base can be controlled. It can be moved horizontally only. PI (not PID) controller used to set the pendulum in up direction. There are friction in base and frictiopn from air simulated. Random kick is applied periodically. The...


Platforms: Matlab

[VINDX FRACDIM V_SIGMA COVERSIZE] = varIndx(LOW,HIGH) LOW is a column vector of the lowest price in the bar (second, minute, etc). HIGH is a column vector of the highest price in the bar. VINDX is the variation index of the data. FRACDIM is the fractal dimension of the data. V_SIGMA is the...


Platforms: Matlab

http://simulations.narod.ru/Using:ind=all_combinations(n,k)Number of all posible variants is nv=C(n,k)=n!/(k!*(n-k)!) (binomial coefficient)ind is nv-by-k matrix. Example, 2 indexes from 1 2 3:all_combinations(3,2)ans = 1 2 1 3 2 3Example 3 from 5:all_combinations(5,3)ans = 1 2 3 1 2 4 1 2 5 1 3...


Platforms: Matlab

http://simulations.narod.ru/See research.docx for explanations of method used.The task is to find algorithm where you can get sound from microphone of piano and the algorithm must recognize it and print it in textbox.Reached result:1 note: 93% of right answers2 notes simultaneously : 61% of right...


Platforms: Matlab

http://simulations.narod.ru/There are N=6 masses connected with mass free ideal rods. It is free motion with random start positions and velocities. It was used linearization of subspace that make rods. null matlab function used to find basis of linear subspace. The subspase is in 2*N space....


Platforms: Matlab

http://simulations.narod.ru/there are two masses connected with rod. x y dcOC describe system state. Lagrangian was made and 6 1st order differential equations to integrate numerically with Euler method.run zz_2_obj_lagrangian_test.m to see animation or here:


Platforms: Matlab

http://simulations.narod.ru/This is a speech drum machine. It is possible to record your sound using microphone then play it in sequencer. The program go through sequencer table from left to right and play recorded sounds if any buttons pushed. This repeated many times (specified in "number of...


Platforms: Matlab

http://simulations.narod.ru/There are 400 balls in 2d that has finite size and can pass trough each other with friction. At distances more than size they have gravitation forces. Initially system rotated slightly as global. Code well vectorized, bsxfun used.The result of simulation is here:It is...


Platforms: Matlab

http://simulations.narod.ru/run reverberation_gui.mrecord button is toggle button. Push it and say somthing to microphone. Then unpush it


Platforms: Matlab

http://simulations.narod.ru/Shape is represented as 32-vertex polygone. The program in starts with random shape. In iteration of random search it search minimum perimeter/sqrt(area) each time. In each iteration the code try random position of vertices near current positions. Zone of random search...


Platforms: Matlab

http://simulations.narod.ru/The diffusion is simulated as set of points with random step each frame of time. Looks like brownian motion.Step of point can be estimated from diffusion equation:dn/dt=D*(d2n/dx2+d2n/dx2)then approximately:1/dt=D/dx^2dx=sqrt(D*dt)dt - time stepD - diffusion...


Platforms: Matlab

http://simulations.narod.ru/Speed dependence from score and number of simultaneous eggs from score dependence were get as in real game&watch.run game.mcontrol from keybard:game a: agame b: breset: rwolf control with num keypad, num lock must be on:up-left: 4down-left: 1up-right: 6down-right:...


Platforms: Matlab

http://simulations.narod.ru/This is flood fill or paint bucket tool in matlab. scanline algoritm used because it fast. Seeds shown as red dots. The function itslef is flood_fill.mrest files:zz_flood_fill_test.m - run it to test flood_fill.mzz_flood_fill_test_movie.m - run it to get...


Platforms: Matlab

http://simulations.narod.ru/Breadth-first search used.[labels rts] = graph_connected_components(C)C - connection matrixlabels =[1 1 1 2 2 3 3 ...] lenght(labels)=L, label for each vertexlabels(i) is order number of connected component, i is vertex numberrts - roots, numbers of started vertex in...


Platforms: Matlab

Simulator of vibrating string with possibility to set different parameters include initial positions, velocities, distributed friction. Solved as 1d wave equation with friction with FDM method. It is possible to plot graph, spectrogram, animated graph, listen stereo sound and realtime. Move...


Platforms: Matlab

http://simulations.narod.ru/See how it works here:Run waveform_generator.mThis is second more advanced and more accurate programmed of my Waveform Generator GUI.The Waveform generator can generate periodic signal of arbitrary shape. Markers used. This also display Fourier series a and b...


Platforms: Matlab

http://simulations.narod.ru/There is a set of cities (points) in 2d plane. Each city has road to each city. We need to find loop-path that will be in each city only one time and path length is minimal. There are lot of paths with different lengths. A path can have crossover with another path and...


Platforms: Matlab

http://simulations.narod.ru/Solve 2d wave equation with Finite Difference Method. Theory described in description.docx. Droplet put on the water surface to start waves. There is a decay in wave equation. conv2 function used for faster calculations.as_colormap.m - visualization of waves as...


Platforms: Matlab