Mathematics, MATLAB Version 7.7 (R2008b) :: Version 7.7 (R2008b) MATLAB Software (MATLAB®)

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Mathematics, MATLAB Version 7.7 (R2008b)

New features and changes introduced in this version are:

Upgrade to Random Number Generator

The randn function uses a new longer period random number algorithm as its default.
The new function randi returns random integers from a uniform discrete distribution.
The @RandStream class allows you to construct a random number stream object and set its properties. For more information, see Random Numbers in the MATLAB Mathematics documentation.

Compatibility Considerations

The randn function now produces different results than in previous releases. Because the values returned by randn are intended to be random, this change should not affect most code. To reproduce randn results from previous releases use the legacy syntax. See Legacy Mode in the MATLAB Mathematics documentation for how to use the legacy mode.

rand and randn now draw from the same random number stream. In prior releases, rand and randn had separate independent underlying random number streams. Since rand and randn now access the same stream, using randn will affect subsequent values produced by rand and vice-versa. See Creating and Controlling a Random Number Stream in the MATLAB Mathematics documentation for more information.

Multipoint Boundary-Value Problems with `bvp5c`

The solver bvp5c will take multipoint boundary-value problems.

Upgrades to `lsqnonneg`

lsqnonneg now runs more efficiently. It accepts sparse matrices as inputs and maintains sparsity throughout its internal iterations.

Functions and Properties Being Removed

Function or Property Name	What Happens When You Use Function or Property?	Use This Instead	Compatibility Considerations
`betacore`	Fails	`betainc`	Replace all existing instances of `betacore` with `betainc`.
`colmmd`	Fails	`colamd`	Replace all existing instances of `colmmd` with `colamd`.
`symmmd`	Fails	`symamd`	Replace all existing instances of `symmmd` with `symamd`.
`flops`	Fails	None	Remove all instances of `flops`. With the incorporation of LAPACK in MATLAB Version 6, counting floating-point operations is no longer practical.