matrix.cpp File Reference

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Functions
int	closest_center (float *datum, matrix centers)
void	copy (float *x, float *y, int n)
float	dist (float *x, float *y, int n)
float	dist_to_closest_center (float *datum, matrix centers)
model	do_kmeans (matrix data, int k)
void	free_matrix (matrix &m)
int	kmeans_expectation (matrix data, int *assignments, matrix centers)
void	kmeans_maximization (matrix data, int *assignments, matrix centers)
matrix	make_matrix (int rows, int cols)
float	matrix_topk_accuracy (matrix truth, matrix guess, int k)
void	random_centers (matrix data, matrix centers)
int *	sample (int n)

Function Documentation

closest_center()

int closest_center	(	float *	datum,
		matrix	centers
	)

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copy()

void copy	(	float *	x,
		float *	y,
		int	n
	)

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dist()

float dist	(	float *	x,
		float *	y,
		int	n
	)

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dist_to_closest_center()

float dist_to_closest_center	(	float *	datum,
		matrix	centers
	)

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do_kmeans()

model do_kmeans	(	matrix	data,
		int	k
	)

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free_matrix()

void free_matrix

(

matrix &

m

)

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kmeans_expectation()

int kmeans_expectation	(	matrix	data,
		int *	assignments,
		matrix	centers
	)

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kmeans_maximization()

void kmeans_maximization	(	matrix	data,
		int *	assignments,
		matrix	centers
	)

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make_matrix()

matrix make_matrix	(	int	rows,
		int	cols
	)

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matrix_topk_accuracy()

float matrix_topk_accuracy	(	matrix	truth,
		matrix	guess,
		int	k
	)

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random_centers()

void random_centers	(	matrix	data,
		matrix	centers
	)

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sample()

int * sample

(

int

n

)

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