Sentence examples for matrices are difficult from inspiring English sources

The resulting differential-algebraic equations (DAE) are transformed to algebraic equations whose Jacobian matrices are difficult to be calculated.

While these identification techniques have been very suitable for the identification of such mechanical, aeronautical or civil structures, covariance expressions of the estimates of the system matrices are difficult to obtain and theoretical results from literature are hard to implement for output-only systems with unknown noise properties in practice.

In the real communication networks, the part of the elements in the desired transition probabilities matrix are difficult to obtain.

Finally, fossils hosted in a compositionally similar matrix are difficult to image using CT because they lack substantial density contrast.

However, how to fabricate and to characterize a single one-dimensional nano-composite with embedding a single CNT within the silver matrix are difficult [8, 9], and electroless silver plating process has been used to deposit silver onto multiwalled carbon nanotube [MWCNT] [10].

Thus, starch granules inside this complex polymer matrix are difficult to liberate.

However, good interfacial adhesion between the fibers and the matrix is difficult to control.

Ceramic foam as a rigid matrix is difficult to be embedded with various shapes of heat exchange tubes.

It is known that poling of piezoelectric particles in a polymer matrix is difficult due to the misfit in dielectric constants of polymer and ceramic.

The polymerase chain reaction (PCR) detection technique is useful for identification of small numbers of species; however, when several species need to be identified, the PCR matrix is difficult to handle.

It was seen that the separation of U from Th matrix was difficult in molten LiCl-KCl using a solid rod cathode and suitable reactive electrodes need to be used for efficient separation.