Method: Rust::Matrix#initialize

Defined in:
lib/rust/core/types/matrix.rb

#initialize(data, row_names = nil, column_names = nil) ⇒ Matrix

Creates a new matrix with the given data (Ruby Matrix). Optionally, row_names and column_names can be specified.



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# File 'lib/rust/core/types/matrix.rb', line 38

def initialize(data, row_names = nil, column_names = nil)
    @data = data.clone
    
    @row_names = row_names
    @column_names = column_names
    
    if @data.is_a?(::Matrix)
        @data = @data.row_vectors.map { |v| v.to_a }
    end
    
    if self.flatten.size == 0
        raise "Empty matrices are not allowed"
    else
        raise TypeError, "Expected array of array" unless @data.is_a?(Array) || @data[0].is_a?(Array)
        raise TypeError, "Only numeric matrices are supported" unless self.flatten.all? { |e| e.is_a?(Numeric) }
        raise "All the rows must have the same size" unless @data.map { |row| row.size }.uniq.size == 1
        raise ArgumentError, "Expected row names #@row_names to match the number of rows in #{self.inspect}" if @row_names && @row_names.size != self.rows
        raise ArgumentError, "Expected column names #@column_names to match the number of columns in #{self.inspect}" if @column_names && @column_names.size != self.cols
    end
end