# Recent questions tagged norm

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
Find the function $f \in \operatorname{span}\{1 \sin x, \cos x\}$ that minimizes $\|\sin 2 x-f(x)\|$, where the norm comes from the inner product
Find the function $f \in \operatorname{span}\{1 \sin x, \cos x\}$ that minimizes $\|\sin 2 x-f(x)\|$, where the norm comes from the inner productFind the function $f \in \operatorname{span}\{1 \sin x, \cos x\}$ that minimizes $\|\sin 2 x-f(x)\|$, where the norm comes from the inner product ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What is the logarithmic norm?
What is the logarithmic norm?What is the logarithmic norm? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
Why is $|c| ||y|| = ||cy||$ where $y$ is a vector and $c$ is a constant?
Why is $|c| ||y|| = ||cy||$ where $y$ is a vector and $c$ is a constant?Why is $|c| ||y|| = ||cy||$ where $y$ is a vector and $c$ is a constant? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
Find the norm of $v$, and a unit vector that is oppositely directed to $\mathbf{v} = (2, 2, 2)$
Find the norm of $v$, and a unit vector that is oppositely directed to $\mathbf{v} = (2, 2, 2)$Find the norm of $v$, and a unit vector that is oppositely directed to $\mathbf{v} = (2, 2, 2)$ ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
Find the norm of $v$, and a unit vector that is oppositely directed to $\mathbf{v} = (1, -1, 2)$
Find the norm of $v$, and a unit vector that is oppositely directed to $\mathbf{v} = (1, -1, 2)$Find the norm of $v$, and a unit vector that is oppositely directed to $\mathbf{v} = (1, -1, 2)$ ...
close
Find, to the nearest degree, the angles that a diagonal of a box with dimensions $10 \mathrm{~cm} \times 11 \mathrm{~cm} \times 25 \mathrm{~cm}$ makes with the edges of the box.Find, to the nearest degree, the angles that a diagonal of a box with dimensions $10 \mathrm{~cm} \times 11 \mathrm{~cm} \times 25 \mathrm{~cm}$ makes ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
If $\mathbf{v}$ is a vector in $R^{n}$, and if $k$ is any scalar, then prove that $\|k \mathbf{v}\|=|k|\|\mathbf{v}\|$
If $\mathbf{v}$ is a vector in $R^{n}$, and if $k$ is any scalar, then prove that $\|k \mathbf{v}\|=|k|\|\mathbf{v}\|$If $\mathbf{v}$ is a vector in $R^{n}$, and if $k$ is any scalar, then prove that $\|k \mathbf{v}\|=|k|\|\mathbf{v}\|$ ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
Find a unit vector that is orthogonal to both $\mathbf{u}=(1,0,1)$ and $\mathbf{v}=(0,1,1)$
Find a unit vector that is orthogonal to both $\mathbf{u}=(1,0,1)$ and $\mathbf{v}=(0,1,1)$Find a unit vector that is orthogonal to both $\mathbf{u}=(1,0,1)$ and $\mathbf{v}=(0,1,1)$ ...
close
Show that if $\mathbf{v}$ is orthogonal to both $\mathbf{w}_{1}$ and $\mathbf{w}_{2}$, then $\mathbf{v}$ is orthogonal to $k_{1} \mathbf{w}_{1}+k_{2} \mathbf{w}_{2}$ for all scalars $k_{1}$ and $k_{2}$.Show that if $\mathbf{v}$ is orthogonal to both $\mathbf{w}_{1}$ and $\mathbf{w}_{2}$, then $\mathbf{v}$ is orthogonal to $k_{1} \mathbf{w}_{1}+k_{2} ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Normalize the vector$v=(1,-3,4,2)$1 answer 99 views Normalize the vector$v=(1,-3,4,2)$Normalize the vector$v=(1,-3,4,2)$... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 What is the norm of$u=(1,-2,-4,5,3)$? 1 answer 49 views What is the norm of$u=(1,-2,-4,5,3)$?What is the norm of$u=(1,-2,-4,5,3)$? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 What is the norm of a vector? 1 answer 208 views What is the norm of a vector?What is the norm of a vector? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Show that $$\| x + y \| \geq | \| x | | - \| y \| |$$ 0 answers 44 views Show that $$\| x + y \| \geq | \| x | | - \| y \| |$$Show that $$&nbsp;&nbsp;\| x + y \| \geq | \| x | | - \| y \| | &nbsp;&nbsp;&nbsp;$$ ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Is the finite sum of norms still a norm? 0 answers 53 views Is the finite sum of norms still a norm?Let$N \in \mathbb{N}$be fixed but arbitrary and$(X, || \cdot||_{(k)})$be a metrc space for all$k \in \{1,2,..., N\}$. Show that$\$|| \cdot || = ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
How do I describe a Euclidean space?
How do I describe a Euclidean space?How do I describe a Euclidean space? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What does the given vector represent?
What does the given vector represent? What does the given vector represent? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
How much does learning the times tables help in algebra?
How much does learning the times tables help in algebra?How much does learning the times tables help in algebra? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
Explain what is algebra?