Elementary functions

Elementary functions

Description

elementary functions

  • abs - Absolute value

  • angle - Phase angle

  • base2dec - Convert number in a base to decimal.

  • bin2dec - Convert number in base 2 to decimal.

  • bin2num - Convert two's complement binary string to number.

  • blkdiag - Block diagonal matrix

  • cast - Converts variable to a different data type

  • ceil - Round up

  • circshift - Circular shift

  • complex - Creates an complex number.

  • conj - Complex conjugate

  • deal - Distribute inputs to outputs.

  • dec2base - Convert decimal number to another base.

  • dec2bin - Convert decimal number to base 2.

  • dec2hex - Convert decimal number to base 16.

  • exp - Exponential

  • factorial - Factorial function

  • filter - 1-D digital filter

  • find - Find Non-zero Elements

  • fix - Round towards zero

  • flip - Flip order of elements

  • flipdim - Flip array along specified dimension

  • fliplr - Flip order of elements left to right

  • flipud - Flip order of elements up to dow

  • floor - Round down

  • hadamard - Hadamard matrix

  • hankel - Hankel matrix

  • hex2dec - Convert number in base 16 to decimal.

  • hilb - Hilbert matrix

  • hypot - Square root of sum of squares

  • imag - Imaginary part of an complex number.

  • ind2sub - Linear index to matrix subscript values

  • invhilb - Inverse of Hilbert matrix

  • ipermute - Inverse permute array dimensions.

  • isapprox - Return true if arguments are approximately equal, within the precision.

  • iscolumn - Determine whether input is column vector.

  • istriu - Checks if matrix is diagonal.

  • isequal - Return true if all arguments x1, x2, ... , xn are equal (same dimensions, same values).

  • isequaln - Return true if all arguments x1, x2, ... , xn are equal (same dimensions, same values or NaNs).

  • isequalto - Return true if all arguments x1, x2, ... , xn are equal (same type, same dimensions, same values or NaNs).

  • isfinite - Check for finite entries.

  • isinf - Check for Infinity entries.

  • ismatrix - determines whether input is matrix or not

  • isnan - Check for Not a Number entries.

  • isrow - Determine whether input is row vector.

  • istril - Checks if matrix is lower triangular.

  • istriu - Checks if matrix is upper triangular.

  • isvector - Checks input is vector.

  • length - Length of an object.

  • linspace - linearly spaced vector constructor.

  • log - Natural logarithm.

  • log10 - Common logarithm (base 10).

  • log1p - log(1 + x) accurately for small values of x.

  • log2 - dissect floating-point numbers into base 2 exponent and mantissa.

  • logspace - logarithmically spaced vector constructor.

  • magic - Magic square

  • meshgrid - Cartesian rectangular grid in 2-D or 3-D.

  • minus - Subtraction, - operator

  • mod - Modulus after division.

  • ndims - Number of dimensions of an array.

  • nextpow2 - Exponent of next higher power of 2

  • norm - Matrix and vector norms

  • normest - 2-norm estimate

  • num2bin - Convert number to binary representation.

  • numel - Number of elements.

  • permute - Permute array dimensions.

  • pinv - Moore-Penrose pseudoinverse

  • pow2 - Base 2 exponentiation and scaling of floating-point numbers.

  • real - Real part of an complex number.

  • rem - Remainder after division.

  • repmat - Replicate and tile an array.

  • reshape - Reshapes a vector or a matrix to a different size matrix.

  • rosser - Classic symmetric eigenvalue test problem.

  • rot90 - Rotate array 90 degrees.

  • round - Round to nearest integer

  • shiftdim - Shift array dimensions

  • sign - Find the sign function of a number.

  • size - Size of an object.

  • sqrt - Square root.

  • squeeze - Remove dimensions of length 1.

  • sub2ind - Matrix subscript values to linear index

  • substruct - Create structure argument for subsasgn or subsref

  • swapbytes - Swap byte ordering.

  • toeplitz - Toeplitz matrix

  • tril - Lower triangular part of matrix

  • triu - Upper triangular part of matrix

  • vander - Vandermonde matrix

  • wilkinson - Wilkinson's eigenvalue test matrix

Last updated