signal processing, Image processing, graphics, random numbers
Generate and plot one pulse signal of diﬀerent width and amplitude
Generate and plot train of pulses of diﬀerent width and amplitude
Find the discrete Fourier transform of a real sequence of numbers
Generate uniform distributed random numbers
Obtain Fourier Series coeﬃcients for a periodic function
Obtain Fourier Series approximation
Determine and plot the CTFT (continuous time Fourier Transform) for continuous time function
Determine the DTFT (Discrete time Fourier Transform) for discrete time function
Determine the Inverse DTFT (Discrete time Fourier Transform)
Use FFT to display the power spectrum of the content of an audio wav ﬁle
Plot the power spectral density of a signal
Display spectrum of 2D image
Obtain the statistical maximum likelihood estimates (MLE) of probability distributions
Make a histogram of data sampled from some probability distribution
apply a ﬁlter on 1D numerical data (a vector)
apply an averaging Laplacian ﬁlter on 2D numerical data (a matrix)
How to ﬁnd cummulative sum
How to ﬁnd the moving average of a 1D sequence?
How to select N random values from a set of numbers?
How to sample a sin signal and plot it?
How ﬁnd the impulse response of a diﬀerence equation?