Numerical linear algebra

Positive degree day for normally distributed temperatures in matlab

The following Matlab project contains the source code and Matlab examples used for positive degree day for normally distributed temperatures. PDD fraction in a normally distributed climate     Calculates the probability weighted positive degree days for normally distributed temperatures:    fPDD=int(normpdf(T,Tmu,sigma)*T,'T',0,inf)     Usage:    fPDD=normalpdd(Tmu,sigma)     Example:     T_june = 3; %degC     sigma_june = 7; %degC =std(daily_average_temps_june)     PDD_june=30*normalpdd(T_june,sigma_june) % units: degC*days

Creates a column vector by stacking elements of x that are on and below the diagonal. in matlab

The following Matlab project contains the source code and Matlab examples used for creates a column vector by stacking elements of x that are on and below the diagonal. . Creates a column vector by stacking elements of x that are on and below the diagonal; each column is placed into a matrix. Created because I could not get Mike Cliff's vech function to work on multidimensional arrays.

Competition over resources a new optimization algorithm based on animals behavioral ecology in matlab

The following Matlab project contains the source code and Matlab examples used for competition over resources a new optimization algorithm based on animals behavioral ecology.    In this work, we propose a new nature based optimization algorithm based on competitive behavior of animal groups.

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