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Daniel Lee


Active since 2015

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UICBioE240 problem 1.3
Find the length of a vector. So if A = [1 1 1 1 1] Then B = 5

mer än 8 år ago

Problem


UICBioE240 2.10
Given a vector of numbers, give the difference between the maximum and minimum values.

mer än 8 år ago | 0 | 171 solvers

Problem


UICBioE240 2.8
Convert x number of hours into seconds.

mer än 8 år ago | 2 | 184 solvers

Problem


UICBioE240 2.7
Given x1 and x2, create a 3x3x3 matrix Y where (:,:,1) has all values of x1*x2, (:,:,2) has all values of x1-x2, and (:,:,3) has...

mer än 8 år ago | 0 | 45 solvers

Problem


UICBioE240 2.3
Make a 4D matrix of 4x4x3x4 containing all zeros.

mer än 8 år ago | 1 | 185 solvers

Problem


UICBioE240 2.2
Make a 3x4 matrix that contains all ones.

mer än 8 år ago | 0 | 172 solvers

Problem


UICBioE240 2.1
This will be useful later in the course, in conjunction to clc and clear all, what is the command to close all figure windows th...

mer än 8 år ago | 1 | 187 solvers

Solved


Say something funny
Say something funny, or not. Your solution will be (fully automatically and objectively) scored based on how clever or funny ...

mer än 8 år ago

Problem


UICBioE240 problem 1.18
exp(pi/5*i) and exp(pi/5i). Is there any difference in result? Write yes or no as a string.

mer än 8 år ago | 1 | 191 solvers

Problem


UICBioE240 problem 1.17
In the expression (2+5i), how does MATLAB read the expressions A = 2+5i B = 2+5*i C = both are okay Write capital letter a...

mer än 8 år ago | 1 | 164 solvers

Problem


UICBioE240 problem 1.16
sin^2(pi/6) + cos^2(pi/6)

mer än 8 år ago | 1 | 168 solvers

Problem


UICBioE240 problem 1.15
Calculate: sin(pi/6) cos (pi) tan(pi/2)

mer än 8 år ago | 0 | 148 solvers

Problem


UICBioE240 problem 1.14
Solve 3^x = 17

mer än 8 år ago | 1 | 156 solvers

Problem


UICBioE240 problem 1.12
The mathematical quantities e^x, ln x and log x are calculated using the expression exp(x), log(x) and log10(x) respectively. ...

mer än 8 år ago | 0 | 94 solvers

Problem


UICBioE240 problem 1.11
Store a series of numbers into a 4 by 4 matrix, starting with the first few positions going right and down, and leaving the rest...

mer än 8 år ago | 0 | 28 solvers

Problem


UICBioE240 problem 1.10
Find the number of cells in a bioreactor after a given time when doubling time is dd and initial number of cells is x. So if ...

mer än 8 år ago | 1 | 121 solvers

Problem


UICBioE240 problem 1.9
Swap the first and last columns of a matrix. So if A = [12 4 7; 5 1 4]; B = [7 4 12; 4 1 5]; ...

mer än 8 år ago | 0 | 124 solvers

Problem


UICBioE240 problem 1.8
Given a list of grades in a class, write a script that gives the 2nd highest grade in the class and the average for the class. ...

mer än 8 år ago | 1 | 130 solvers

Problem


UICBioE240 problem 1.7
Find the other two angles of a right triangle given the two of the sides. So if A = [1 1] B = [45 45]

mer än 8 år ago | 1 | 96 solvers

Problem


UICBioE240 problem 1.6
Find the tangent line of a right triangle given the two of the sides. So if A = [1 1] B = sqrt(2)

mer än 8 år ago | 1 | 174 solvers

Problem


UICBioE240 problem 1.5
Find the size of the matrix, then multiply both values by 10 and make it into a column vector. So if A = [ 1 2 3; ...

mer än 8 år ago | 0 | 157 solvers

Problem


UICBioE240 problem 1.4
So if A = [ 1 2 3; 4 5 6; 7 8 9] B = [ 3 3]

mer än 8 år ago | 1 | 176 solvers

Problem


UICBioE240 problem 1.3
Find the length of a vector. So if A = [1 1 1 1 1] Then B = 5

mer än 8 år ago | 1 | 205 solvers

Problem


UICBioE240 problem 1.2
Convert a column vector into a row vector. So if A = [1; 2; 3] Then B = [ 1 2 3]

mer än 8 år ago | 3 | 202 solvers

Problem


UICBioE240 problem 1.1
Remove the middle row from a matrix, assuming # of rows is odd. So if A = [ 1 2 3; 4 5 6; 7 8 9] the...

mer än 8 år ago | 2 | 141 solvers

Problem


UICBioE240 problem 1.13
Compute the following - y = x^5/(x^-1) and y = (1-(1/x^5))^-1. Have the final answer of y to equal a 1 by 2 vector.

mer än 8 år ago | 0 | 163 solvers

Solved


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

mer än 8 år ago

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

mer än 8 år ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

mer än 8 år ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

mer än 8 år ago

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