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How many trades represent all the profit?

Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

meer dan 3 jaar ago

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Flag largest magnitude swings as they occur

You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

meer dan 3 jaar ago

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Given a window, how many subsets of a vector sum positive

Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

meer dan 3 jaar ago

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Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

meer dan 3 jaar 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...

meer dan 3 jaar ago

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Implement simple rotation cypher

If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

meer dan 3 jaar ago

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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.

meer dan 3 jaar 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...

meer dan 3 jaar 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 ...

meer dan 3 jaar 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...

meer dan 3 jaar 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 ...

meer dan 3 jaar 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...

meer dan 3 jaar ago

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Pizza!

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

meer dan 3 jaar ago

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Determine if input is odd

Given the input n, return true if n is odd or false if n is even.

meer dan 3 jaar ago

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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...

meer dan 3 jaar 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:...

meer dan 3 jaar ago

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Why the phase-phase voltage and current measurement are like this?

your reference point for DC side is not right. to measure the DC side voltage, you should measure the DC+ to DC-, not to the gro...

Why the phase-phase voltage and current measurement are like this?

your reference point for DC side is not right. to measure the DC side voltage, you should measure the DC+ to DC-, not to the gro...

meer dan 3 jaar ago | 0

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how i can give pulse to gate of IGBT

I make a simple one, you can have a look.

how i can give pulse to gate of IGBT

I make a simple one, you can have a look.

meer dan 3 jaar ago | 0

| accepted

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Can anyone help me identify why my data for a bandpass filter does not match the theory curve?

how did you get the data of different frequencies? by sweep frequency (eg. 1Hz to 100Hz, 10Hz/s variation)? the filter has some ...

Can anyone help me identify why my data for a bandpass filter does not match the theory curve?

how did you get the data of different frequencies? by sweep frequency (eg. 1Hz to 100Hz, 10Hz/s variation)? the filter has some ...

meer dan 3 jaar ago | 0

Answered

how i can give pulse to gate of IGBT

you have to know something. 1. when the DC is 24V, the maximum output voltage(RMS value) is 20V so if you want a 220V volta...

how i can give pulse to gate of IGBT

you have to know something. 1. when the DC is 24V, the maximum output voltage(RMS value) is 20V so if you want a 220V volta...

meer dan 3 jaar ago | 0

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Excelのデータから作成したグラフとSimulinkのグラフを同じグラフ上に表示させたい．

maybe you should upload your data and let us know the detail, then we can try to help you.

Excelのデータから作成したグラフとSimulinkのグラフを同じグラフ上に表示させたい．

maybe you should upload your data and let us know the detail, then we can try to help you.

meer dan 3 jaar ago | 0

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Filtering Noise from a random time domain signal

you can use a lowpass filter to smooth the signal, but it affact you to detecct the peak. FFT is used for periodic signals, and...

Filtering Noise from a random time domain signal

you can use a lowpass filter to smooth the signal, but it affact you to detecct the peak. FFT is used for periodic signals, and...

meer dan 3 jaar ago | 0