cgo

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modifying an identity matrix
I have an identity matrix. I want to put a '1' on the zeros that are right infront of the main diagonal, except at the very last...

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writing a linprog command for this optimisation p
I want to maximise a matrix , the size of which is 5 5, for example. Subject to the following constraints: . Also, there is an...

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copying the contents of a vector onto a longer vector
Let's say I have a vector a that is of size 4. I have a vector b of size 10. I want to copy the contents of vector a into b unti...

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Finding common elements in an array (even if they are not in the same position)
I have two vectors a and b. Both vectors may not be of the same length. I want to find the common elements between these vectors...

거의 2년 전 | 답변 수: 1 | 0

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getting the index after comparing two logicals
I compared two logicals and their results are as follows: a = [1 0 0 0 1] and b = [0 0 0 0 1] I wanted to compare these logical...

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Using switch to identify even or dd
Problem in brief: Print “Odd” if the argument is 1, 3, or 5, “Even” if the argument is 0, 2, or 4, and “Let me get back to you o...

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reversing the digits into a string
I have a list of numbers. l1 = randi([0,9],[1,10]); I want to make this into a string without the spaces and then reverse th...

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Vector to 3-Column Matrix
Consider a vector *A* such as A = [1 2 3 3 4 5 6] Can you convert this vector to a three-column matrix like this: ...

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Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

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Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

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Return area of square
Side of square=input=a Area=output=b

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

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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 ...

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Add two numbers
Given a and b, return the sum a+b in c.

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

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how to count the number of occurrences of these numbers (with some conditions)
I have A(1,:) = [1, 2, 5, 2 , 1 , 2]; A(2,:) = [0,1,1,0,1,0]; I want to count the unique number of occurences in A(1,:) so t...

대략 3년 전 | 답변 수: 2 | 0

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randomly selecting an element without randsample
How do I randomly select an element without the machine learning toolbox function randsample?

대략 3년 전 | 답변 수: 1 | 0

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how to include a 'probability' when coding.
I wanted to include the concept of 'probability' when coding. For example, giving me a reward of +1 only 60% of the time. How do...

대략 3년 전 | 답변 수: 1 | 0

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