Answered

Can I convert a complex value vector into corresponding string?

str = num2str(u) https://uk.mathworks.com/help/matlab/ref/num2str.html

Can I convert a complex value vector into corresponding string?

str = num2str(u) https://uk.mathworks.com/help/matlab/ref/num2str.html

4 years ago | 0

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Answered

How do I name this variable dynamically?

In your example above, the variable "batch" is a string. You cant reference object properties or methods, or structure fields fr...

How do I name this variable dynamically?

In your example above, the variable "batch" is a string. You cant reference object properties or methods, or structure fields fr...

4 years ago | 0

Answered

Help me with this loop. contains handles structure

If you want to do it like this, you can access structure fields using strings by enclosing the string referring to the fieldname...

Help me with this loop. contains handles structure

If you want to do it like this, you can access structure fields using strings by enclosing the string referring to the fieldname...

4 years ago | 0

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Answered

How to display the coordinate system of the figure (UCS icon)?

Hi yu, Yes I have done it a few times. You should be aware that this will work for me because the scale on each axis is equal. F...

How to display the coordinate system of the figure (UCS icon)?

Hi yu, Yes I have done it a few times. You should be aware that this will work for me because the scale on each axis is equal. F...

4 years ago | 1

| accepted

Solved

Pizza!

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

4 years ago

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Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

4 years ago

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Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

4 years ago

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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...

4 years ago

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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...

4 years ago

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Find the numeric mean of the prime numbers in a matrix.

There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

4 years ago

Answered

Reshaphing 3D Matrix into 2D Matrix

Yes reshape will work sz = size(A); B = reshape(A,sz(1),[],1); % or B = reshape(A,sz(1),sz(2)*sz(3)); Henry

Reshaphing 3D Matrix into 2D Matrix

Yes reshape will work sz = size(A); B = reshape(A,sz(1),[],1); % or B = reshape(A,sz(1),sz(2)*sz(3)); Henry

4 years ago | 1

| accepted

Solved

Remove any row in which a NaN appears

Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

4 years ago

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Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

4 years ago

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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...

4 years ago

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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...

4 years ago

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Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

4 years ago

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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...

4 years ago

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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 ...

4 years ago

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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]; and ...

4 years ago

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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 ...

4 years ago

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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:...

4 years ago

Answered

Rotating 3-D Histogram

How about: view(gca,[0 90]) % or ax = gca; ax.View = [0 90]; Henry

Rotating 3-D Histogram

How about: view(gca,[0 90]) % or ax = gca; ax.View = [0 90]; Henry

4 years ago | 0

Answered

import csv file to specific sheet in excel

Hi, xlswrite attempts to write each element of your array to a single cell in the worksheet. Your arrays (J and K) are cell a...

import csv file to specific sheet in excel

Hi, xlswrite attempts to write each element of your array to a single cell in the worksheet. Your arrays (J and K) are cell a...

4 years ago | 0

Answered

How to control multiple pushbutton with keyboard using GUIDE?

Is it be possible that the focus is no longer on the figure and is instead on the pushbutton associated to the previous key? ...

How to control multiple pushbutton with keyboard using GUIDE?

Is it be possible that the focus is no longer on the figure and is instead on the pushbutton associated to the previous key? ...

4 years ago | 0

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Answered

How to change the way data is scaled to custom colormap in a scatter plot.

Hi, One solution is to set the CLim values for the axis to be equal positive and negative values. The white section of your c...

How to change the way data is scaled to custom colormap in a scatter plot.

Hi, One solution is to set the CLim values for the axis to be equal positive and negative values. The white section of your c...

4 years ago | 0

Solved

The Hitchhiker's Guide to MATLAB

Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

5 years ago

Solved

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...

5 years ago