Wilcoxon signed rank test.

An ESnext spec-compliant `Set.prototype.symmetricDifference` shim/polyfill/replacement that works as far down as ES3

Uniform distribution logarithm of probability density function (PDF).

Discrete uniform distribution probability mass function (PMF).

Test if a value is a centrosymmetric matrix.

Test if a value is a skew-persymmetric matrix.

Test if a value is a skew-symmetric matrix.

Test if a value is a symmetric matrix.

Test if a value is a skew-centrosymmetric matrix.

Test if a value is a persymmetric matrix.

Natural logarithm of the probability mass function (PMF) for a discrete uniform distribution.

Discrete uniform distribution quantile function.

Symmetric array utilities.

Symmetric banded array utilities.

Banded array utilities.

Symmetric array utilities.

problem solution of freecodecamp

Convert a two-dimensional symmetric banded nested array to compact banded storage.