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Reference Guide for OpenMatrix Language Functions
The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
Elementary Math Commands
isvector
Determines if x is a vector.

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- 上級ユーザーのための拡張定義
  ユーザーズガイドの主要なトピックに関する詳細情報。
- Scripting Guide for OpenMatrix Language
  OpenMatrix is a mathematical scripting language.
- Reference Guide for OpenMatrix Language Functions
  The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
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      Returns the absolute value of a scalar/matrix/complex number.
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      Returns the largest integer that is not greater than x.
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      Returns the greatest common deviser of the set x.
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      Converts hexadecimal numbers to their decimal equivalents.
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      The imaginary number i, such that i^2 = -1
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      Returns the imaginary component of a complex number.
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      Returns subscript from the linear index ind.
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      Returns the elements that are common to two sets, without duplication.
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      Generalized reversing transpose of a matrix, using a permutation vector.
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      Determines if x is a logical value.
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      Determines if x is a complex value.
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      Determines if x is an empty value.
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      Compares x1,x2,... to each other; if all are equal, returns boolean value true, otherwise returns false.
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      Returns a logical value indicating whether the input is global in scope.
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      Determines if x is a logical value.
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      Determine which elements of the first argument exist in the second argument.
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      Determines if x is a prime number.
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      Determines if x is a real number.
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      Returns true if the array x sorted by mode. By default mode is ascending.
    - isvector
      Determines if x is a vector.
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      The imaginary number i, such that i^2 = -1.
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      Least common multiple.
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      Returns the length of an object's largest dimension.
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      Computes the natural log for each element of x.
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      Natural logarithm of one plus the argument.
    - log2
      Computes the base-2 logarithm of a matrix.
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      Computes the base-10 logarithm for each element of x.
    - logical
      Converts x to a logical type.
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      Returns maximum values.
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      Returns maximum values.
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      Returns minimum values.
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      Returns minimum values.
    - mod
      Returns x modulo y.
    - ndims
      Returns the number of dimensions of an array.
    - nextpow2
      Computes the exponent of the smallest power of 2 that is greater than or equal to the input in magnitude.
    - numel
      Returns the number of elements in x.
    - ones
      Returns a matrix of ones.
    - permute
      Generalized transpose of a matrix, using a permutation vector.
    - pi
      Symbol for pi.
    - pol2cart
      Converts polar or cylindrical coordinates to Cartesian.
    - pow2
      Computes powers of 2.
    - primes
      Returns all primes up to X.
    - prod
      Returns vector or matrix element products.
    - rank
      Computes the rank of matrix A.
    - rat
      Returns a rational approximation of the input using a continued fraction approximation.
    - real
      Returns the real part of x.
    - realmax
      Returns a matrix whose elements are all the largest floating point number that is representable.
    - realmin
      Returns a matrix whose elements are all the smallest normalized floating point number that is representable.
    - rem
      The resulting remainder of x / y.
    - repmat
      Replicates an input to create a block matrix with the number of specified replications in each dimension.
    - reshape
      Returns a matrix with the same elements as the input, but with reassigned dimensions.
    - rot90
      Returns R, the result of rotating matrix, m, in 90-degree succession(s).
    - round
      Rounds values to specified precision.
    - setdiff
      Returns the subset of the first set that does not belong to the second set.
    - setxor
      Returns the elements contained in either of two sets, but not in their intersection.
    - shiftdim
      Shift dimensions.
    - sign
      Returns the sign of the value passed in.
    - single
      Marks the given input in as a single precision data type. Single precision data can be used in the save command to write with single precision in .mat files.
    - size
      Returns the size of each dimension of an object.
    - sph2cart
      Converts spherical coordinates to Cartesian.
    - sqrt
      Returns the square root of each element of x.
    - squeeze
      Removes singular dimensions from a matrix.
    - sub2ind
      Converts subscript to a linear index.
    - sum
      Returns vector or matrix element sums.
    - union
      Returns the elements contained in either of two sets, without duplication.
    - unique
      Returns the elements of a set, without duplication.
    - vec2mat
      Converts a vector, v, to a matrix with the specified number of columns, c.
    - zeros
      Creates a matrix of zeros.
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isvector

Determines if x is a vector.

Syntax

isvector(x)

Inputs

x: Any valid input.; Type: double | integer | char | logical | struct | cell; Dimension: scalar | string | vector | matrix

Outputs

R: Boolean equivalent true or false.

Example

Simple isvector example:

isvector([1 2 3 4])

ans = 1