Elementary functions

Elementary functions

Description

elementary functions

• abs - Absolute value

• allfinite - Check if all array elements are finite.

• angle - Phase angle

• base2dec - Convert number in a base to decimal.

• bernsteinMatrix - Bernstein matrix

• 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.

• isscalar - Check if the input is a scalar

• 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.

• ndgrid - Rectangular grid in N-D space

• ndims - Number of dimensions of an array.

• nextpow2 - Exponent of next higher power of 2

• norm - Matrix and vector norms

• normest - 2-norm estimate

• nthroot - The real 𝑛th root of real number.

• 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