Answered

Building Function for Percentage

function pD = percentDiff(limit,speedM) pD=100*(speedM-limit)/limit; end Not sure what you want for good percentage differenc...

Building Function for Percentage

function pD = percentDiff(limit,speedM) pD=100*(speedM-limit)/limit; end Not sure what you want for good percentage differenc...

environ 2 heures ago | 0

Solved

Wind Chill Computation

On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the "wind chill," i...

environ 5 heures ago

Solved

counting for loop

Complete the function below using a for loop to count from 3 to N by 2. For example, if N is 10, count 3, 5, 7, 9 and stop. Fo...

environ 5 heures ago

Solved

Powers Of

Fill the vector with powers of 2, so that vector(1) is 2^1, vector(2) is 2^2, etc. Stop with vector(10). Complete the function ...

environ 5 heures ago

Solved

Solving Quadratic Equations (Version 1)

Quadratic equations have the form: ax^2 + bx + c = 0. Example: x^2 + 3x + 2 = 0, where a = 1, b = 3, and c = 2. The equation has...

environ 5 heures ago

Solved

Create a square matrix of multiples

Given an input, N, output a matrix N x N with each row containing multiples of the first element of each row. This also applies...

environ 5 heures ago

Answered

Finding max value from one dimensional matrix

max(A(5:end));

Finding max value from one dimensional matrix

max(A(5:end));

environ 5 heures ago | 0

| accepted

Answered

output arguments not assigned

Because 'day' is the input variable, it is present in the function and will be passed to the output. the 'outcome' variable is n...

output arguments not assigned

Because 'day' is the input variable, it is present in the function and will be passed to the output. the 'outcome' variable is n...

environ 20 heures ago | 0

Answered

How do I replace multiples of 4 with a 0 in a magic 4 matrix?

a=magic(4); a(mod(a,4)==0)=0;

How do I replace multiples of 4 with a 0 in a magic 4 matrix?

a=magic(4); a(mod(a,4)==0)=0;

environ 21 heures ago | 0

Answered

How to smooth an airfoil given through a set of points ?

airfoil=fit(x,y,'smoothingspline'); plot(airfoil);

How to smooth an airfoil given through a set of points ?

airfoil=fit(x,y,'smoothingspline'); plot(airfoil);

environ 22 heures ago | 0

Answered

Sum of near infinite series?

p=[]; for i=1:2:n+1 p=[p,(n+1)/n,(n+1)/(n+2)]; end P=prod(p(1:n));

Sum of near infinite series?

p=[]; for i=1:2:n+1 p=[p,(n+1)/n,(n+1)/(n+2)]; end P=prod(p(1:n));

1 jour ago | 0

Answered

how do I make an array where the value increases by a factor of 10?

x=10.^(-5:4); y=280*((x./200).^(0.2)+1); semilogx(x,y);

how do I make an array where the value increases by a factor of 10?

x=10.^(-5:4); y=280*((x./200).^(0.2)+1); semilogx(x,y);

1 jour ago | 0

Answered

how to sum matrices in a for loop

I assume you just want to add the calculated x-matrix with itself during each loop iteration. x=zeros(2); for i=1:4 for j...

how to sum matrices in a for loop

I assume you just want to add the calculated x-matrix with itself during each loop iteration. x=zeros(2); for i=1:4 for j...

1 jour ago | 0

| accepted

Answered

Determine whether file value is within certain integer of an array value

Load text into a variable say T and make sure it is a number. if sum(my_array>(T-10)&my_array<(T+10))%repeat for as many files ...

Determine whether file value is within certain integer of an array value

Load text into a variable say T and make sure it is a number. if sum(my_array>(T-10)&my_array<(T+10))%repeat for as many files ...

1 jour ago | 0

Answered

Need help using the for loop

Not sure why you have to use a for-loop. function dataSamples = adjustMinValue(dataSamples,minValue) for i=1:length(dataSample...

Need help using the for loop

Not sure why you have to use a for-loop. function dataSamples = adjustMinValue(dataSamples,minValue) for i=1:length(dataSample...

1 jour ago | 0

Answered

Time table code using while loops

Not sure why you have to use a while loop. function T = timesTable(n) T=1:n; count=2; while count<=n T(count,:)=count*T...

Time table code using while loops

Not sure why you have to use a while loop. function T = timesTable(n) T=1:n; count=2; while count<=n T(count,:)=count*T...

1 jour ago | 0

Answered

How do I turn two columns into one row?

If a cell array, a={'a' 1;'b' 2;'c' 3;'d' 4}; b=a'; c=b(:)';%should give up the cell array in the format you desire

How do I turn two columns into one row?

If a cell array, a={'a' 1;'b' 2;'c' 3;'d' 4}; b=a'; c=b(:)';%should give up the cell array in the format you desire

2 jours ago | 1

| accepted

Answered

Error massage in Euler method

Array indexes start at one not zero for MATLAB. You cannot index into an array at zero. Just start your array indexing at one in...

Error massage in Euler method

Array indexes start at one not zero for MATLAB. You cannot index into an array at zero. Just start your array indexing at one in...

2 jours ago | 0

| accepted

Solved

Love triangles

Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

3 jours ago

Solved

Mandelbrot Numbers

The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...

3 jours ago

Answered

Creating a new matrix from an existing one using logical operators?

x=randi([5 50],100,100); y=(x>=25).*x;

Creating a new matrix from an existing one using logical operators?

x=randi([5 50],100,100); y=(x>=25).*x;

4 jours ago | 0

Answered

how can i convert 1xn to mxn matrix ?

Look at rand or randi functions. Depending on what range you want your randon numbers to be in, either function could be used. ...

how can i convert 1xn to mxn matrix ?

Look at rand or randi functions. Depending on what range you want your randon numbers to be in, either function could be used. ...

4 jours ago | 0

Solved

All flights lead to Idaho Falls

Using spherical trigonometry and great circle paths, determine the distance (in kilometers) and the initial flight heading (from...

4 jours ago

Problem

All flights lead to Idaho Falls

Using spherical trigonometry and great circle paths, determine the distance (in kilometers) and the initial flight heading (from...

4 jours ago | 0

Answered

to plot a introduced function

J=-1:.1:1; d=0:.1:5; [J,d]=meshgrid(J,d); Z=zeros(size(J)); for i=1:size(J,1) for j=1:size(J,2) Z(i,j)=C(J(i,j...

to plot a introduced function

J=-1:.1:1; d=0:.1:5; [J,d]=meshgrid(J,d); Z=zeros(size(J)); for i=1:size(J,1) for j=1:size(J,2) Z(i,j)=C(J(i,j...

4 jours ago | 0

| accepted

Solved

Back to basics 18 - justification

Covering some basic topics I haven't seen elsewhere on Cody. Given a string with extra spaces in front and/or in back, return...

11 jours ago

Solved

Back to basics 19 - character types

Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...

11 jours ago

Solved

Back to basics 20 - singleton dimensions

Covering some basic topics I haven't seen elsewhere on Cody. Remove the singleton dimensions from the input variable (e.g. if...

11 jours ago

Solved

Back to basics 25 - Valid variable names

Covering some basic topics I haven't seen elsewhere on Cody. Given a string, return true if it is a valid MATLAB variable nam...

11 jours ago

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Back to basics 26 - Keywords

Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of strings of all MATLAB keywords.

11 jours ago