numpy.matrix — NumPy v1.15 Manual (original) (raw)

all([axis, out])

Test whether all matrix elements along a given axis evaluate to True.

any([axis, out])

Test whether any array element along a given axis evaluates to True.

argmax([axis, out])

Indexes of the maximum values along an axis.

argmin([axis, out])

Indexes of the minimum values along an axis.

argpartition(kth[, axis, kind, order])

Returns the indices that would partition this array.

argsort([axis, kind, order])

Returns the indices that would sort this array.

astype(dtype[, order, casting, subok, copy])

Copy of the array, cast to a specified type.

byteswap([inplace])

Swap the bytes of the array elements

choose(choices[, out, mode])

Use an index array to construct a new array from a set of choices.

clip([min, max, out])

Return an array whose values are limited to [min, max].

compress(condition[, axis, out])

Return selected slices of this array along given axis.

conj()

Complex-conjugate all elements.

conjugate()

Return the complex conjugate, element-wise.

copy([order])

Return a copy of the array.

cumprod([axis, dtype, out])

Return the cumulative product of the elements along the given axis.

cumsum([axis, dtype, out])

Return the cumulative sum of the elements along the given axis.

diagonal([offset, axis1, axis2])

Return specified diagonals.

dot(b[, out])

Dot product of two arrays.

dump(file)

Dump a pickle of the array to the specified file.

dumps()

Returns the pickle of the array as a string.

fill(value)

Fill the array with a scalar value.

flatten([order])

Return a flattened copy of the matrix.

getA()

Return self as an ndarray object.

getA1()

Return self as a flattened ndarray.

getH()

Returns the (complex) conjugate transpose of self.

getI()

Returns the (multiplicative) inverse of invertible self.

getT()

Returns the transpose of the matrix.

getfield(dtype[, offset])

Returns a field of the given array as a certain type.

item(*args)

Copy an element of an array to a standard Python scalar and return it.

itemset(*args)

Insert scalar into an array (scalar is cast to array’s dtype, if possible)

max([axis, out])

Return the maximum value along an axis.

mean([axis, dtype, out])

Returns the average of the matrix elements along the given axis.

min([axis, out])

Return the minimum value along an axis.

newbyteorder([new_order])

Return the array with the same data viewed with a different byte order.

nonzero()

Return the indices of the elements that are non-zero.

partition(kth[, axis, kind, order])

Rearranges the elements in the array in such a way that the value of the element in kth position is in the position it would be in a sorted array.

prod([axis, dtype, out])

Return the product of the array elements over the given axis.

ptp([axis, out])

Peak-to-peak (maximum - minimum) value along the given axis.

put(indices, values[, mode])

Set a.flat[n] = values[n] for all n in indices.

ravel([order])

Return a flattened matrix.

repeat(repeats[, axis])

Repeat elements of an array.

reshape(shape[, order])

Returns an array containing the same data with a new shape.

resize(new_shape[, refcheck])

Change shape and size of array in-place.

round([decimals, out])

Return a with each element rounded to the given number of decimals.

searchsorted(v[, side, sorter])

Find indices where elements of v should be inserted in a to maintain order.

setfield(val, dtype[, offset])

Put a value into a specified place in a field defined by a data-type.

setflags([write, align, uic])

Set array flags WRITEABLE, ALIGNED, (WRITEBACKIFCOPY and UPDATEIFCOPY), respectively.

sort([axis, kind, order])

Sort an array, in-place.

squeeze([axis])

Return a possibly reshaped matrix.

std([axis, dtype, out, ddof])

Return the standard deviation of the array elements along the given axis.

sum([axis, dtype, out])

Returns the sum of the matrix elements, along the given axis.

swapaxes(axis1, axis2)

Return a view of the array with axis1 and axis2 interchanged.

take(indices[, axis, out, mode])

Return an array formed from the elements of a at the given indices.

tobytes([order])

Construct Python bytes containing the raw data bytes in the array.

tofile(fid[, sep, format])

Write array to a file as text or binary (default).

tolist()

Return the matrix as a (possibly nested) list.

tostring([order])

Construct Python bytes containing the raw data bytes in the array.

trace([offset, axis1, axis2, dtype, out])

Return the sum along diagonals of the array.

transpose(*axes)

Returns a view of the array with axes transposed.

var([axis, dtype, out, ddof])

Returns the variance of the matrix elements, along the given axis.

view([dtype, type])

New view of array with the same data.