| c06dcc | Sum of a Chebyshev series at a set of points |
| d02uac | Coefficients of Chebyshev interpolating polynomial from function values on Chebyshev grid |
| d02ubc | Function or low-order-derivative values on Chebyshev grid from coefficients of Chebyshev interpolating polynomial |
| d02ucc | Chebyshev Gauss–Lobatto grid generation |
| d02udc | Differentiate a function by the FFT using function values on Chebyshev grid |
| d02uec | Solve linear constant coefficient boundary value problem on Chebyshev grid, Integral formulation |
| d02uzc | Chebyshev polynomial evaluation, Tk(x) |
| d03pdc | General system of parabolic PDEs, method of lines, Chebyshev C0 collocation, one space variable |
| d03pjc | General system of parabolic PDEs, coupled DAEs, method of lines, Chebyshev C0 collocation, one space variable |
| e02adc | Computes the coefficients of a Chebyshev series polynomial for arbitrary data |
| e02aec | Evaluates the coefficients of a Chebyshev series polynomial |
| e02afc | Computes the coefficients of a Chebyshev series polynomial for interpolated data |
| e02ahc | Derivative of fitted polynomial in Chebyshev series form |
| e02ajc | Integral of fitted polynomial in Chebyshev series form |
| e02akc | Evaluation of fitted polynomial in one variable from Chebyshev series form |