| MATLAB Function Reference | |
Data Analysis and Fourier Transforms
Basic Operations
| cumprod | Cumulative product |
| cumsum | Cumulative sum |
| cumtrapz | Cumulative trapezoidal numerical integration |
| max | Maximum elements of array |
| mean | Average or mean value of arrays |
| median | Median value of arrays |
| min | Minimum elements of array |
| prod | Product of array elements |
| sort | Sort elements in ascending order |
| sortrows | Sort rows in ascending order |
| std | Standard deviation |
| sum | Sum of array elements |
| trapz | Trapezoidal numerical integration |
| var | Variance |
Finite Differences
| del2 | Discrete Laplacian |
| diff | Differences and approximate derivatives |
| gradient | Numerical gradient |
Correlation
| corrcoef | Correlation coefficients |
| cov | Covariance matrix |
| subspace | Angle between two subspaces |
Filtering and Convolution
| conv | Convolution and polynomial multiplication |
| conv2 | Two-dimensional convolution |
| convn | N-dimensional convolution |
| deconv | Deconvolution and polynomial division |
| detrend | Linear trend removal |
| filter | Filter data with infinite impulse response (IIR) or finite impulse response (FIR) filter |
| filter2 | Two-dimensional digital filtering |
Fourier Transforms
| abs | Absolute value and complex magnitude |
| angle | Phase angle |
| fft | One-dimensional discrete Fourier transform |
| fft2 | Two-dimensional discrete Fourier transform |
| fftn | N-dimensional discrete Fourier Transform |
| fftshift | Shift DC component of discrete Fourier transform to center of spectrum |
| ifft | Inverse one-dimensional discrete Fourier transform |
| ifft2 | Inverse two-dimensional discrete Fourier transform |
| ifftn | Inverse multidimensional discrete Fourier transform |
| ifftshift | Inverse fast Fourier transform shift |
| nextpow2 | Next power of two |
| unwrap | Correct phase angles |
| | Elementary Math | Polynomials | |