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De-dupe

Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

4 mois ago

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Quote Doubler

Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

4 mois ago

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Find common elements in matrix rows

Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

4 mois ago

Answered

Error when building a trend line

polyfit requires x , y to be vectors. Also, it makes no sense to fit a single value. It seems to me that your usage of polyval ...

Error when building a trend line

polyfit requires x , y to be vectors. Also, it makes no sense to fit a single value. It seems to me that your usage of polyval ...

4 mois ago | 0

| accepted

Answered

multiple logarithmic x-axes

https://www.mathworks.com/help/matlab/creating_plots/graph-with-multiple-x-axes-and-y-axes.html The above doc describes the cre...

multiple logarithmic x-axes

https://www.mathworks.com/help/matlab/creating_plots/graph-with-multiple-x-axes-and-y-axes.html The above doc describes the cre...

4 mois ago | 0

Answered

how to add 2 legends for 2 portions of one plot?

The following plot gives rise to two legends plot(x,y,'b'); hold on; plot(x1,y1,'r'); legend( 'on', 'off'); matlab automati...

how to add 2 legends for 2 portions of one plot?

The following plot gives rise to two legends plot(x,y,'b'); hold on; plot(x1,y1,'r'); legend( 'on', 'off'); matlab automati...

4 mois ago | 0

Answered

Outputting function into multiple columns of matrix

Instead of returning [A1, A2, A3, A4, A5, A6] seperatly redifine your function to return AA. Where, AA = [A1 A2 A3 A4 A5 A6]; ...

Outputting function into multiple columns of matrix

Instead of returning [A1, A2, A3, A4, A5, A6] seperatly redifine your function to return AA. Where, AA = [A1 A2 A3 A4 A5 A6]; ...

4 mois ago | 1

| accepted

Answered

How to scale figure when printed in pdf without losing resolution?

Can you attach your generated pdf ? It seems to be running fine on my computer. The titles of the figure and the xlabel appear...

How to scale figure when printed in pdf without losing resolution?

Can you attach your generated pdf ? It seems to be running fine on my computer. The titles of the figure and the xlabel appear...

4 mois ago | 0

Answered

why the subtraction gives the wrong ans.?

If you want to store negative it is better to convert it to int16. This makes it possible to store negative integers. The form...

why the subtraction gives the wrong ans.?

If you want to store negative it is better to convert it to int16. This makes it possible to store negative integers. The form...

4 mois ago | 0

Answered

How can I change orientation and resolution in a pdf printed figure?

Instead of the set function, use the orient function to set the orientation that is used when saving or printing https://www.ma...

How can I change orientation and resolution in a pdf printed figure?

Instead of the set function, use the orient function to set the orientation that is used when saving or printing https://www.ma...

4 mois ago | 0

| accepted

Solved

Remove all the words that end with "ain"

Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

4 mois ago

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Counting Money

Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

4 mois ago

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What is the next step in Conway's Life?

Given a matrix A that represents the state of <http://en.wikipedia.org/wiki/Conway's_Game_of_Life Conway's game of Life> at one ...

4 mois ago

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Summing Digits within Text

Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

4 mois ago

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Duplicates

Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

4 mois ago

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Determine whether a vector is monotonically increasing

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

5 mois 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...

5 mois ago

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Return the largest number that is adjacent to a zero

This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

5 mois ago

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Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

5 mois ago

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Find the alphabetic word product

If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

5 mois ago

Answered

Error using svd Input to SVD must not contain NaN or Inf.

Run any(any(isnan(din))) and any(any(isinf(din))). If the output is 1 it means your matrix din has an infinity value or a not a ...

Error using svd Input to SVD must not contain NaN or Inf.

Run any(any(isnan(din))) and any(any(isinf(din))). If the output is 1 it means your matrix din has an infinity value or a not a ...

5 mois ago | 0

| accepted

Answered

How to get the max level and the fields name of the HDF5 data?

https://www.mathworks.com/help/matlab/ref/h5info.html The h5info function gives you the required information about a hdf5 file....

How to get the max level and the fields name of the HDF5 data?

https://www.mathworks.com/help/matlab/ref/h5info.html The h5info function gives you the required information about a hdf5 file....

5 mois ago | 0

Solved

Pascal's Triangle

Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

5 mois ago

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Nearest Numbers

Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

5 mois ago

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Remove all the consonants

Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

5 mois ago

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...

5 mois ago

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Replace NaNs with the number that appears to its left in the row.

Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

5 mois ago

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Making change

Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

5 mois ago

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Which doors are open?

There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

5 mois ago

Answered

How to obtain a .csv file?

https://www.mathworks.com/help/matlab/ref/writematrix.html Documentation for writematrix function, writematrix(A,filename) here...

How to obtain a .csv file?

https://www.mathworks.com/help/matlab/ref/writematrix.html Documentation for writematrix function, writematrix(A,filename) here...

5 mois ago | 0

| accepted