| MATLAB Function Reference | |
データ解析とフーリエ変換関数
| Basic Operations | |
| convhull | Convex hull |
| convhulln | n-D convex hull |
| cumprod | Cumulative product |
| cumsum | Cumulative sum |
| cumtrapz | Cumulative trapezoidal numerical integration |
| delaunay | Delaunay triangulation |
| delaunay3 | 3-D Delaunay tesselation |
| delaunayn | n-D Delaunay tesselation |
| dsearch | Search for nearest point |
| factor | Prime factors |
| inpolygon | Detect points inside a polygonal region |
| max | Maximum elements of an array |
| mean | Average or mean value of arrays |
| median | Median value of arrays |
| min | Minimum elements of an array |
| perms | All possible permutations |
| polyarea | Area of polygon |
| primes | Generate list of prime numbers |
| 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 |
| tsearch | Search for enclosing Delaunay triangle |
| tsearchn | n-D closest triangle search |
| var | Variance |
| voronoi | Voronoi diagram |
| Finite Differences | |
| del2 | Discrete Laplacian |
| diff | Differences and approximate derivatives |
| gradient | Numerical gradient |
| Correlation | |
| corrcoef | Correlation coefficients |
| cov | Covariance matrix |
| Filtering and Convolution | |
| conv | Convolution and polynomial multiplication |
| conv2 | Two-dimensional convolution |
| deconv | Deconvolution and polynomial division |
| filter | Filter data with an 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 |
| cplxpair | Sort complex numbers into complex conjugate pairs |
| fft | One-dimensional fast Fourier transform |
| fft2 | Two-dimensional fast Fourier transform |
| fftshift | Shift DC component of fast Fourier transform to center of spectrum |
| ifft | Inverse one-dimensional fast Fourier transform |
| ifft2 | Inverse two-dimensional fast Fourier transform |
| ifftn | Inverse multidimensional fast Fourier transform |
| ifftshift | Inverse FFT shift |
| nextpow2 | Next power of two |
| unwrap | Correct phase angles |
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行列関数 - 数値線形代数 | 多項式関数と内挿関数 | |