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GIST 420 Name Joseph
Engelman
Exam 2 Spring 2024
Rasters and raster processing
Given the zone raster and value
raster at right, calculate the zonal
variety
for the output raster. (6pts)
3
3
3
3
ND
3
3
3
3
3
2
2
4
4
4
2
3
3
3
4
2
ND
2
2
4
outgrid
Surfaces
1.
The images below are two symbolized slope rasters labelled 1 and 2 with elevation contours overlaying them. The darker colors on the raster indicate higher slope values. Which slope surface was derived from a DEM interpolated using IDW
, and which from a DEM interpolated using Topo to Raster?
What is it about these interpolation methods that caused the differences in
the slope surfaces?
(5 points)
Image 1 is a DEM interpolated using IDW and image 2 is a DEM interpolated using Topo
to Raster. The IDW tool is a method of interpolation that estimates cell values by
averaging the values of sample data points close to each processing cell. The closer a point
is to the center of the cell being estimated, the more influence it has in the averaging
process. On the other hand, the Topo to Raster tool uses an interpolation technique that is
specifically designed to create a surface that closely represents a natural drainage surface.
This tool better preserves both ridgelines and stream networks from input contour data.
2.
In the image below, the Explore
tool has been used to select a facet of a TIN. The popup displays values for three attributes -- elevation, slope, and aspect. When using the Explore
tool in
ArcGIS Pro to query different locations within the same triangle
, which, if any, of these three attributes would return different values at different locations within the triangle and explain why.
(5 pts) The Tin_Surface example shows that all three values can change when you click on a different location within a triangle. TINs are made of non-overlapping triangles calculated from irregularly 2
2
1
spaced points that have X, Y, and Z values. Even if you choose a new point within the same triangle,
it will alter the horizontal position (X, Y) and the elevation (Z) values.
DEM Hydrology 1.
Using the flow direction code, calculate flow accumulation
from the flow
direction grid. (10 pts)
0
0
0
0
0
0
1
2
2
0
0
3
4
3
0
0
0
14
0
1
0
0
2
19
0
2.
Briefly describe how an ArcGIS “con” statement is used to differentiate streamflow
from surface flow
from a flow accumulation raster? (2pts)
The "Con" statement in ArcGIS lets you apply conditions to raster datasets to create new
ones based on specific criteria. For instance, you can use it to differentiate between
streamflow and surface flow in a flow accumulation raster. To do this, you set up a
conditional expression by comparing flow accumulation raster values to the threshold
value. In the output raster, areas where the flow accumulation exceeds the threshold value,
are considered streamflow, whereas areas below the threshold represent surface flow or
less significant drainage features.
Python and Notebooks
1.
Consider the short python code section below. (4 pts)
3
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Related Questions
Problem 04
Datal
3
7
5
7
3
Data 2
-7
4
7
-9
7
8
4
3
Data 3
Store the data in a 3x8 array (use variable name data), where each row is storing the corresponding set of row
data ('Datal', 'Data2', or 'Data3'). Show how to do the following analysis by hand calculation and using
MATLAB commands (write down the command and the result).
4
-9
1
1
5
6
a. Mean of each row of data:
b. Mean of each column of data:
c. The median of each row of data:
d. The standard deviation of each row of data:
e. The variance of each row of data:
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otINote: The notation from this problem is from Understanding Cryptography by Paar and Pelzl.
We conduct a known-plaintext attack against an LFSR. Through trial and error we have determined that the number of states is m = 4.
The plaintext given by
when encrypted by the LFSR produced the ciphertext
01011000 = yo yı y2 ys Yo Y
%3D
What are the tap bits of the LFSR? Please enter your answer as unspaced binary digits (e.g. 0101 to represent py = 0, P = 1, P = 0, Po= 1).
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please put into DMS format with final solution. Thank you
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The Vehicle stands at point [2,1]' and theta angle 45degree on World frame. The sensor mounted at [1,0] point on
Vehicle. The sensor has detected an obstacle at point [2,-1] on Sensor frame.
Firstly calculate from the sensor frame to the Word frame Homegenous transformation Matrix step by step.
Find the obstacle position on World frame?
y4
W
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Problem 1: (5 points)
ements
Decoding a Message The cryptogram below was
encoded with a 2 x 2 matrix. The last word of the
utton
message is_RON. What is the message?
8 21 -15 - 10 -13 –13 5 10 5 25 5 19 –1 6
20 40 - 18 – 18 1 16
ents
ns
Problem 2: (15 points)
Wildlife A wildlife management team studied the
reproduction rates of deer in three tracts of a wildlife
preserve. The team recorded the number of females x in
each tract and the percent of females y in each tract that
had offspring the following year. The table shows the
results.
nila Library
esentation
MS
ory Survey
Number, x
100
120
140
UDENTS
19
Percent, y
75
68
55
ATION
al Faculty
(a) Find the least squares regression line for the data.
ance
on Part
ear from
(b) Use a graphing utility to graph the model and the
data in the same viewing window.
How your
Handled
Classes
(c) Use the model to create a table of estimated values for
y. Compare the estimated values with the actual data.
(d) Use the model to estimate the percent of…
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Command: PLOTTERMANAGER (from the autocad file m
TO CONFIGURE A LOCAL, NONSYSTEM PLOTTER
10. PROFILES-Controls the use of profiles. A profile is a configuration you define.
367N
367N
R=1.0m
426N
426N
B.
426N
C.
The two identical sphemes having oqual weights of 367N
is placed on top of the three identic al sphere's w/ 426 N
as their reight . Compute the reaction A,B and C
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3-D Model the following angle tab part.
Unit system: MMGS (millimeter, gram, second)
Part origin: as specified (center of hole)
Material: 6061 Alloy
170
R
O a. 1280.91 grams
O b.
1593.72 grams
O c.
1147.25 grams
O d. 1398.47 grams
3
8x 45
80
960-
R20
Origin
What is the overall mass of the part?
116
156
13
040
8x as
-2x @ 15
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Produce a 3D solid model of the Guard casing and test boss using solid works, send the file so I can download it.
Email: lukecass3456@gmail.com
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Needs Complete typed solution with 100 % accuracy.
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s = 2
t = 0
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Investigate, and select appropriate sensors for the specified system.
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A crate of 20-kg is sliding down an inclined plane as shown below with an initial velocity
of 5 m/s. Calculate the velocity of the crate after travelling 4 m? (Assume 4 =0.4).
4 m
20 kg
150
5m/s
200
hand
Total
Activate Windows
a) 6.89 m/s
b) 4.73m/s.
Go to Settings to activate Windows.
1:06 PM
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12-Jan-21
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5
6
8.
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Using the following lines, let us create a virtual
data concerning the joint torque (Nm) and angular
velocity (RPM) of an imaginary actuator system:
Kx =
29;
Kn 200;
dt 0.001; %sampling time
10; simulation time
Ts
ns Ts/dt +1;
for i
= 1:nS
t(i)
tau (i)
=
(i-1) *dt; time variable
Kx*sin (2*pi*0.5*t (i)) +
=
0.1*sin (2*pi*50*t (i));
dq (i) = Kn*cos (2*pi*0.5*t (i))*9.24;
SOME CALCULATONS HERE
end
& THEN SOME OTHE CALCULATIONS HERE
Calculate the average torque T_avg. Then referring
the Harmonic Drive Catalogue, choose a gear model
with a gear ratio of 1:30 in accordance with the
T_avg value you calculated.
Explain the rationale behind your choice.
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Which datum has size? Please refer to image attached.
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I was given a practice question for transforming equation. In the image I will have a slide the lecture note of an example of it being done but I do not understand what was done exactly. Please explain how to answer the question. Thank you
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After working out some stuff I got to: log_{10}W_{TO} = 0.833+1.0383log_{10}(CW_{TO} - 53000)
Using the info give, C = M_ff
I tried calculating the M_ff but needed the weight ratios for both cruises, loiter, and flight to another airport. I used the range and endurance equations for loiter and flight to another airport but cannot do cruise as I do not have the Mach number.
I don't know how to continue.
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what is D in the equation X=ax + Bu y= Cx+ Du
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In octal (base 8), the 12-bit two's complement of the
hexadecimal (base 16) number 2AF16 is? Please
show the computation process. Hint: base 16 -
base 10
base 2
two's complement of a 12-bit
binary string
base 10 - base 8
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Part III Capstone Problem
Interactive Physics - [Lab7Part3.IP]
Eile Edit World View Object Define Measure Script Window Help
Run StoplI Reset
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Mass M1 = 2.25 kg is at the end of a rope that is 2.00 m in length. The initial angle with
respect to the vertical is 60.0° and M1 is initially at rest. Mass M1 is released and strikes M2
= 4.50 kg exactly horizontally. The collision is elastic. After collision, mass M2 is moving on
a frictionless surface, but runs into a rough patch 2.00…
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TRANSCRIBE THE FOLLOWING TEXT IN DIGITAL FORMAT
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Please dont provide solution in an image format thanks
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Remaining Time: 46 minutes, 46 seconds.
V Question Completion Status:
A Moving to another question will save this response.
Question 16
ets
Which system of equations corresponds to the following augmented matrix?
[1
31
1
Lo -1
b +c = 4
x + 3y = 6; -x - y = -4
-1
41
A. a + 2b = 3;
b + 3c = 6;
B. x + 2z = 3;
C. u + 2v = 3w + 3;
v + 3w = 6;
v+w = -4
st
D.r + 2s = 3;
s + 3t = 6;
-s - t = 4
O A.
OC.
O B.
O D.
A Moving to another question will save this response.
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earch
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I need help solving this problem.
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(b) Find the value of ? in factored form:
4. [3/ (x- 4)] = [(3x +36)/ ?]
5. [4/(2x + 5)] = [? / (2x² – x- 15)]
6. [(x + 2)/ (3x + 2)] = [(3x² + 4x – 4) / ?]
%3D
%3D
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The simplified robot arm model is given in the following:
* = [5
-5
x +
|u; y = [03]x
1
Is the system defining the robot arm model observable?
O a. Yes
O b. No
○ c. Not possible to determine
Od. None of the above
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Hartley Electronics, Inc., in Nashville, producesshort runs of custom airwave scanners for the defense industry.The owner, Janet Hartley, has asked you to reduce inventory byintroducing a kanban system. After several hours of analysis, youdevelop the following data for scanner connectors used in onework cell. How many kanbans do you need for this connector?Daily demand 1,000 connectorsLead time 2 daysSafety stock 12 dayKanban size 500 connectors
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5 m
A = 445 mm 2
A = 1000 mm 2
9 m
E = 2 x 10 5
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- The Vehicle stands at point [2,1]' and theta angle 45degree on World frame. The sensor mounted at [1,0] point on Vehicle. The sensor has detected an obstacle at point [2,-1] on Sensor frame. Firstly calculate from the sensor frame to the Word frame Homegenous transformation Matrix step by step. Find the obstacle position on World frame? y4 Warrow_forwardProblem 1: (5 points) ements Decoding a Message The cryptogram below was encoded with a 2 x 2 matrix. The last word of the utton message is_RON. What is the message? 8 21 -15 - 10 -13 –13 5 10 5 25 5 19 –1 6 20 40 - 18 – 18 1 16 ents ns Problem 2: (15 points) Wildlife A wildlife management team studied the reproduction rates of deer in three tracts of a wildlife preserve. The team recorded the number of females x in each tract and the percent of females y in each tract that had offspring the following year. The table shows the results. nila Library esentation MS ory Survey Number, x 100 120 140 UDENTS 19 Percent, y 75 68 55 ATION al Faculty (a) Find the least squares regression line for the data. ance on Part ear from (b) Use a graphing utility to graph the model and the data in the same viewing window. How your Handled Classes (c) Use the model to create a table of estimated values for y. Compare the estimated values with the actual data. (d) Use the model to estimate the percent of…arrow_forwardCommand: PLOTTERMANAGER (from the autocad file m TO CONFIGURE A LOCAL, NONSYSTEM PLOTTER 10. PROFILES-Controls the use of profiles. A profile is a configuration you define. 367N 367N R=1.0m 426N 426N B. 426N C. The two identical sphemes having oqual weights of 367N is placed on top of the three identic al sphere's w/ 426 N as their reight . Compute the reaction A,B and Carrow_forward
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