Answered

PlotYY X axis doubled

Moving one x axis to the top might make things clearer AX = plotyy(...); set(AX(2),'XAxisLocation','Top')

PlotYY X axis doubled

Moving one x axis to the top might make things clearer AX = plotyy(...); set(AX(2),'XAxisLocation','Top')

10 years ago | 0

Answered

Colorbar label beneath colorbar

C = colorbar('location','SouthOutside'); set(get(C,'XLabel'),'String','Colour Bar Label Text')

Colorbar label beneath colorbar

C = colorbar('location','SouthOutside'); set(get(C,'XLabel'),'String','Colour Bar Label Text')

10 years ago | 1

| accepted

Answered

Output arguments in functions

In the CHECKHORIZONTAL function: if avg < lowlimit c = -1*x1; end if avg > highlimit c = 1*x1; end ...

Output arguments in functions

In the CHECKHORIZONTAL function: if avg < lowlimit c = -1*x1; end if avg > highlimit c = 1*x1; end ...

10 years ago | 0

Answered

Without using the roots command, write a function to calculate roots of the quadratic equation

I'd recommend <http://mathworld.wolfram.com/QuadraticFormula.html maths>.

Without using the roots command, write a function to calculate roots of the quadratic equation

I'd recommend <http://mathworld.wolfram.com/QuadraticFormula.html maths>.

10 years ago | 0

Answered

Can REGEXP be utilized to ignore specific numerical values in a text file?

TEXTSCAN is useful for extracting numeric data from strings. Note that the format string I used effectively reads two lines at o...

Can REGEXP be utilized to ignore specific numerical values in a text file?

TEXTSCAN is useful for extracting numeric data from strings. Note that the format string I used effectively reads two lines at o...

10 years ago | 0

| accepted

Answered

Parsing or regexp HTML output from urlread

str = 'version="1.0" ? eSearchResult PUBLIC "-//NLM//DTD eSearchResult, 11 May 2002//EN" "http://www.ncbi.nlm.nih.gov/entrez/q...

Parsing or regexp HTML output from urlread

str = 'version="1.0" ? eSearchResult PUBLIC "-//NLM//DTD eSearchResult, 11 May 2002//EN" "http://www.ncbi.nlm.nih.gov/entrez/q...

10 years ago | 1

| accepted

Answered

Use of dialogue boxes: interactively choosing directory and file to read at the beginning, and "save as" at the end, during the execution of script.

see the UIGETFILE and UIPUTFILE functions. doc uigetfile doc uiputfile

Use of dialogue boxes: interactively choosing directory and file to read at the beginning, and "save as" at the end, during the execution of script.

see the UIGETFILE and UIPUTFILE functions. doc uigetfile doc uiputfile

10 years ago | 0

| accepted

Answered

Error in matlab Improper assignment with rectangular assignment with rectangular matrix

The number of elements you'll find each time will be different, so you can't put them into a standard array. Try using a cell a...

Error in matlab Improper assignment with rectangular assignment with rectangular matrix

The number of elements you'll find each time will be different, so you can't put them into a standard array. Try using a cell a...

10 years ago | 0

Answered

Manipulate Excel from Matlab

The -1 field allows you to use Excel interactively. [num txt raw] = xlsread(fileName,-1);

Manipulate Excel from Matlab

The -1 field allows you to use Excel interactively. [num txt raw] = xlsread(fileName,-1);

10 years ago | 0

| accepted

Answered

Help needed with finding corresponding index values for given table value

As Iain said, you've got more unknows than equations. I've come up with a possible solution, but I don't know how robust it is. ...

Help needed with finding corresponding index values for given table value

As Iain said, you've got more unknows than equations. I've come up with a possible solution, but I don't know how robust it is. ...

10 years ago | 0

| accepted

Answered

1, 4, 7, 2, 5, 8, 3, 6, 9 serie

a = reshape(1:9,3,3)'; a = a(:)'

1, 4, 7, 2, 5, 8, 3, 6, 9 serie

a = reshape(1:9,3,3)'; a = a(:)'

10 years ago | 1

| accepted

Answered

How to find the nine biggest numbers?

A = rand(9); m = sort(A(:),'descend'); m(1:9)

How to find the nine biggest numbers?

A = rand(9); m = sort(A(:),'descend'); m(1:9)

10 years ago | 0

| accepted

Answered

Help with fzero equation solver

There is a way to do this without a loop: You have one unknown (C) and one equation (fun), and you are looking for C + f...

Help with fzero equation solver

There is a way to do this without a loop: You have one unknown (C) and one equation (fun), and you are looking for C + f...

10 years ago | 0

Answered

Help with fzero equation solver

There are a couple of things here: fzero only works with scalars, so you can't use it on all A and B values. Secondly, you ne...

Help with fzero equation solver

There are a couple of things here: fzero only works with scalars, so you can't use it on all A and B values. Secondly, you ne...

10 years ago | 0

Answered

??? In an assignment A(I) = B, the number of elements in B and I must be the same

Try using a cell array to store the file names: file = cell(1,l); for i = 1:l file{i} = fullfile(d,files(i).name)...

??? In an assignment A(I) = B, the number of elements in B and I must be the same

Try using a cell array to store the file names: file = cell(1,l); for i = 1:l file{i} = fullfile(d,files(i).name)...

10 years ago | 0

| accepted

Answered

There is any way to know the dimensions of an excel file (rows, columns) without using xlsread?

You can, but you have to open an Actx server - I wouldn't bother unless you really think it's worth it... Excel = actxserve...

There is any way to know the dimensions of an excel file (rows, columns) without using xlsread?

You can, but you have to open an Actx server - I wouldn't bother unless you really think it's worth it... Excel = actxserve...

10 years ago | 2

Answered

Collapsing integer data into consecutive integers?

[~,~,I] = unique([ 0 1 4 4 1 5 8 1 4]); disp(I-1)

Collapsing integer data into consecutive integers?

[~,~,I] = unique([ 0 1 4 4 1 5 8 1 4]); disp(I-1)

10 years ago | 2

| accepted

Solved

The Goldbach Conjecture

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

10 years ago

Solved

Remove the vowels

Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

10 years ago

Solved

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.

10 years ago

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".

10 years ago

Solved

Sort a list of complex numbers based on far they are from the origin.

Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

10 years ago

Solved

Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

10 years ago

Solved

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...

10 years ago

Solved

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...

10 years 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...

10 years ago

Answered

bar3 Axis labels don't reflect real data

Try scaling the tick marks based on the limits you've defined: format shortg xAxis = sort(10*rand(20,1)); sprintf('XM...

bar3 Axis labels don't reflect real data

Try scaling the tick marks based on the limits you've defined: format shortg xAxis = sort(10*rand(20,1)); sprintf('XM...

10 years ago | 1

Answered

How can i calculate the difference between two points at various positions on a plot?

You can use the UNIQUE function to find when the torque values change, (assuming they only stay the same or increase from one po...

How can i calculate the difference between two points at various positions on a plot?

You can use the UNIQUE function to find when the torque values change, (assuming they only stay the same or increase from one po...

10 years ago | 0