please answer question 65 using matlab warssxHEXP for a 457

please answer question 6-5 using matlab.

warssxHEXP for a.- 457 was a HDOP for el owpare HDC.abeal frain Problem 6-1. Does hhelple krx the Demel IDOP and VDOP for following user-seellite geosery. Them PS uailin vin. Oris keled ainctly overtend The three remai zistrbaallarn E. anah abaderdioe agle o, sore cha as eloe estan xr ka or, VDOP deewanas by about S (fruen 2.3 to 1.2)-bud HDP- nintialy unchetged 6M I Uniibe HDOR VDOP outinaes le drop as a tem mplive ii e.. Ibo eme Mallus drop below the hrumL Wha1kbsstae ofghi macaax VDar: This isEhi is of no valas to earth-fan1 asers uto ean\'I new else) hekfzhenae, ber caa he gghand ia uigKion of space,raakwas haa ch4eer ve fro nedo on n its lurtasanas posidon estimatina when aur ornr we in ne. A suiary user with a-an ed view of the sky can speetin ra kast rao allie, rerun i mad lan rauaellles rerun in view for a pend af tire. Shry thiPe

Solution

The modulre question is on HDOP and VDOP but the image is too compressed to get the full question in detail.
Please upload a clarity one.