feat: grid for a professional look and mobile support

main
parent ee2f2c9802
commit a9295133b4

@ -6,14 +6,18 @@ export const DisplayProblemInput = ({ problemInput }: { problemInput: ProblemInp
const { A, b, c, B } = problemInput
return (
<Katex
formula={[
'\\begin{cases} \\max c^t x \\\\ Ax \\leq b \\end{cases}',
`A = ${matrixToLatex(A)}`,
`b = ${vectorToLatex(b)}`,
`c^t = ${rowVectorToLatex(c)}`,
`B = \\{${B.map(r => (r + 1).toString()).join(', ')}\\}`,
].join(' \\qquad ')}
/>
<div class="scrollable">
<div class="scroll-content">
<Katex
formula={[
'\\begin{cases} \\max c^t x \\\\ Ax \\leq b \\end{cases}',
`A = ${matrixToLatex(A)}`,
`b = ${vectorToLatex(b)}`,
`c^t = ${rowVectorToLatex(c)}`,
`B = \\{${B.map(r => (r + 1).toString()).join(', ')}\\}`,
].join(' \\qquad ')}
/>
</div>
</div>
)
}

@ -1,5 +1,6 @@
import { MobileScrollable } from './components'
import { Katex } from './Katex'
import { fillDot, drawSemiplane, drawSimpleArrow } from './lib-v2/canvas'
import { fillDot, drawSemiplane, drawSimpleArrow, strokeInfiniteLine } from './lib-v2/canvas'
import { range } from './lib-v2/math'
import { Matrix } from './lib-v2/matrix'
import { Rational } from './lib-v2/rationals'
@ -47,7 +48,7 @@ const PrimalStep = ({
return (
<div class="step">
<div class="algebraic-step">
<div class="row">
<div class="comment">
<p>
Iterazione <strong>{iter + 1}</strong> dell'algoritmo
</p>
@ -55,11 +56,11 @@ const PrimalStep = ({
{comments.map(comment =>
comment.type === 'formula' ? (
<div class="row">
<MobileScrollable>
<Katex formula={comment.content} />
</div>
</MobileScrollable>
) : (
<div class="row">
<div class="comment">
<MiniMark content={comment.content} />
</div>
)
@ -94,6 +95,9 @@ export const Primale = ({ input }: { input: ProblemInput }) => {
return (
<div class="steps">
<div class="title">
<h2>Svolgimento</h2>
</div>
{problemOutput.steps.map((step, iter) => (
<PrimalStep
{...{
@ -159,6 +163,9 @@ const PrimalCanvas = ({
g.textAlign = 'center'
g.textBaseline = 'middle'
const [c1, c2] = c.getData()
const cLen = Math.sqrt(c1.toNumber() ** 2 + c2.toNumber() ** 2)
// // draw y axis arrow
// g.beginPath()
// g.moveTo(width / 2, height / 2)
@ -177,27 +184,6 @@ const PrimalCanvas = ({
// g.lineTo(width - 15, height / 2 + 10)
// g.stroke()
// draw c vector
const [c1, c2] = c.getData()
const cLen = Math.sqrt(c1.toNumber() ** 2 + c2.toNumber() ** 2)
// g.save()
g.strokeStyle = 'darkgreen'
g.lineWidth = 2
drawSimpleArrow(
g,
50,
height - 50,
50 + (c1.toNumber() / cLen) * 40,
height - 50 - (c2.toNumber() / cLen) * 40,
5
)
g.fillStyle = 'darkgreen'
fillDot(g, 50, height - 50, 4)
g.fillText(`c`, 50 - (c1.toNumber() / cLen) * 20, height - 50 + (c2.toNumber() / cLen) * 20)
// g.beginPath()
// g.translate(50, height - 50)
// g.rotate(Math.atan2(c2.toNumber(), c1.toNumber()))
@ -220,6 +206,22 @@ const PrimalCanvas = ({
g.scale(width / 2, -width / 2)
g.scale(1 / 10, 1 / 10)
// draw grid
g.strokeStyle = '#ddd'
g.lineWidth = 20 / g.canvas.width
for (let i = -10; i <= 10; i++) {
strokeInfiniteLine(g, i, 0, Math.PI / 2)
}
for (let i = -9; i <= 9; i++) {
strokeInfiniteLine(g, 0, i, 0)
}
g.strokeStyle = '#333'
g.lineWidth = 40 / g.canvas.width
drawSimpleArrow(g, 0, 0, 9.8, 0, 0.35, '#444')
drawSimpleArrow(g, 0, 0, 0, 9.8, 0.35, '#444')
// draw semiplanes
// draw semiplanes not in B
@ -248,15 +250,15 @@ const PrimalCanvas = ({
if (x) {
const [x1, x2] = x.getData()
g.lineWidth = 30 / g.canvas.width
g.strokeStyle = 'darkgreen'
g.lineWidth = 50 / g.canvas.width
drawSimpleArrow(
g,
x1.toNumber(),
x2.toNumber(),
x1.toNumber() + c1.toNumber() / cLen,
x2.toNumber() + c2.toNumber() / cLen,
0.125
0.25,
'darkgreen'
)
// draw xi
@ -264,7 +266,6 @@ const PrimalCanvas = ({
const [xi1, xi2] = xi.getData()
const xiLen = Math.sqrt(xi1.toNumber() ** 2 + xi2.toNumber() ** 2)
g.strokeStyle = '#44d'
g.lineWidth = 50 / g.canvas.width
drawSimpleArrow(
g,
@ -272,13 +273,34 @@ const PrimalCanvas = ({
x2.toNumber(),
x1.toNumber() + xi1.toNumber() / xiLen,
x2.toNumber() + xi2.toNumber() / xiLen,
0.125
0.25,
'#44d'
)
}
g.fillStyle = '#d44'
fillDot(g, x1.toNumber(), x2.toNumber(), 0.2)
}
g.resetTransform()
// draw c vector
g.lineWidth = 2
drawSimpleArrow(
g,
50,
height - 50,
50 + (c1.toNumber() / cLen) * 40,
height - 50 - (c2.toNumber() / cLen) * 40,
7,
'darkgreen'
)
g.fillStyle = 'darkgreen'
fillDot(g, 50, height - 50, 4)
g.fillText(`c`, 50 - (c1.toNumber() / cLen) * 20, height - 50 + (c2.toNumber() / cLen) * 20)
}
return <canvas ref={render} />

@ -0,0 +1,9 @@
import { JSX } from 'preact/jsx-runtime'
export const MobileScrollable = ({ children }: { children: JSX.Element }) => {
return (
<div class="scrollable">
<div class="scroll-content">{children}</div>
</div>
)
}

@ -0,0 +1,18 @@
[
{
"name": "Pintel",
"source": "c' = 500 200;\\n\\nA = 1 0\\n 0 1\\n 2 1\\n -1 0\\n 0 -1;\\n\\nb = 4\\n 7\\n 9\\n 0\\n 0;\\n\\nB = 2 3;"
},
{
"name": "Pintel non amm",
"source": "c' = 500 200;\\n\\nA = 1 0\\n 0 1\\n 2 1\\n -1 0\\n 0 -1;\\n\\nb = 4\\n 7\\n 9\\n 0\\n 0;\\n\\nB = 1 2;"
},
{
"name": "Pintel (hard)",
"source": "c' = -500 -200;\\n\\nA = 1 0\\n 0 1\\n 2 1\\n -1 0\\n 0 -1;\\n\\nb = 4\\n 7\\n 9\\n 0\\n 0;\\n\\nB = 1 3;"
},
{
"name": "Pintel non amm 2",
"source": "c' = -500 -200;\\n\\nA = 1 0\\n 0 1\\n 2 1\\n -1 0\\n 0 -1;\\n\\nb = 4\\n 7\\n 9\\n 0\\n 0;\\n\\nB = 1 2;"
}
]

@ -88,22 +88,28 @@ export function drawSimpleArrow(
y1: number,
x2: number,
y2: number,
size: number
size: number,
color: string = '#333'
) {
const arrowLength = Math.sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2)
g.save()
g.strokeStyle = color
g.fillStyle = color
g.beginPath()
g.translate(x1, y1)
g.rotate(Math.atan2(y2 - y1, x2 - x1))
g.moveTo(0, 0)
g.lineTo(arrowLength, 0)
g.lineTo(arrowLength - size / 2, 0)
g.stroke()
g.moveTo(arrowLength - size, -size)
g.lineTo(arrowLength, 0)
g.moveTo(arrowLength - size, +size)
g.beginPath()
g.moveTo(arrowLength, 0)
g.lineTo(arrowLength - size, -size * 0.75)
g.lineTo(arrowLength - size, +size * 0.75)
g.lineTo(arrowLength, 0)
g.stroke()
g.fill()
g.restore()
}
@ -118,3 +124,10 @@ export function strokeDot(g: CanvasRenderingContext2D, x: number, y: number, rad
g.arc(x, y, radius, 0, 2 * Math.PI)
g.stroke()
}
export function strokeInfiniteLine(g: CanvasRenderingContext2D, x1: number, y1: number, angle: number) {
g.beginPath()
g.moveTo(x1 - Math.cos(angle) * MAX_LINE_SIZE, y1 - Math.sin(angle) * MAX_LINE_SIZE)
g.lineTo(x1 + Math.cos(angle) * MAX_LINE_SIZE, y1 + Math.sin(angle) * MAX_LINE_SIZE)
g.stroke()
}

@ -30,6 +30,7 @@ export type ProblemStatus =
| { result: 'unbounded'; xi: Vector<Rational> }
| { result: 'infeasible' }
| { result: 'too-many-iterations' }
| { result: 'wrong-starting-basis' }
export type ProblemOutput = {
status: ProblemStatus
@ -66,6 +67,7 @@ export function computePrimalSimplexSteps(input: ProblemInput): ProblemOutput {
comments.push({
type: 'formula',
content: [
`B = ${indexSetToLatex(B)}`,
`A_B = ${matrixToLatex(A_B)}`,
`b_B = ${vectorToLatex(b_B)}`,
`c^t = ${rowVectorToLatex(c)}`,
@ -74,144 +76,183 @@ export function computePrimalSimplexSteps(input: ProblemInput): ProblemOutput {
const x = A_B_inverse.apply(b_B)
comments.push({
type: 'formula',
content: [
String.raw`\bar{x}`,
`A_B^{-1} b_B`,
`${matrixToLatex(A_B)}^{-1} ${vectorToLatex(b_B)}`,
`${matrixToLatex(A_B_inverse)} ${vectorToLatex(b_B)}`,
`${vectorToLatex(x)}`,
].join(' = '),
})
const y_B = A_B_inverse.transpose().apply(c)
comments.push({
type: 'formula',
content: [
String.raw`\bar{y}_B^t`,
`c_B^t A_B^{-1}`,
`${rowVectorToLatex(c)} ${matrixToLatex(A_B_inverse)}`,
`${rowVectorToLatex(y_B)}`,
].join(' = '),
})
const y_Zero = Vector.zero(RationalField, A.rows)
const y = y_Zero.with(B, y_B)
comments.push({ type: 'formula', content: String.raw`\implies \bar{y}^t = ${rowVectorToLatex(y)}` })
const I_x = activeIndices(input, x)
const isAdmissible = A.apply(x).leq(b)
comments.push({
type: 'formula',
content: [
String.raw`I(\bar{x})`,
String.raw`\{ i \in \{1, \dots, m\} \mid A_i \bar{x}_i = b_i \}`,
indexSetToLatex(I_x),
].join(' = '),
})
const isDegenerate = I_x.length < A_B.rows
const isDualAdmissible = y_B.getData().every(y => y.geq(RationalField.zero))
const isDualDegenerate = y_B.getData().some(y => y.eq(RationalField.zero))
comments.push({
type: 'text',
content: `La soluzione primale è *${isDegenerate ? 'degenere' : 'non degenere'}*.`,
})
comments.push({
type: 'text',
content: `La soluzione duale è *${isDualAdmissible ? 'ammissibile' : 'non ammissibile'}* e *${
isDualDegenerate ? 'degenere' : 'non degenere'
}*.`,
})
if (isAdmissible) {
comments.push({
type: 'formula',
content: [
String.raw`\bar{x}`,
`A_B^{-1} b_B`,
`${matrixToLatex(A_B)}^{-1} ${vectorToLatex(b_B)}`,
`${matrixToLatex(A_B_inverse)} ${vectorToLatex(b_B)}`,
`${vectorToLatex(x)}`,
].join(' = '),
})
if (!isDualAdmissible) {
const h = Math.min(...y.getData().flatMap((y, i) => (y.lt(RationalField.zero) ? [i] : [])))
const y_B = A_B_inverse.transpose().apply(c)
comments.push({
type: 'formula',
content: [
// prettier-ignore
`h`,
String.raw`\min \{ i \in B \mid \bar{y}_i < 0 \}`,
`${h + 1}`,
String.raw`\bar{y}_B^t`,
`c_B^t A_B^{-1}`,
`${rowVectorToLatex(c)} ${matrixToLatex(A_B_inverse)}`,
`${rowVectorToLatex(y_B)}`,
].join(' = '),
})
const e_h = Vector.oneHot(RationalField, A.rows, h).slice(B)
console.log(e_h)
const y_Zero = Vector.zero(RationalField, A.rows)
const y = y_Zero.with(B, y_B)
comments.push({ type: 'formula', content: String.raw`\implies \bar{y}^t = ${rowVectorToLatex(y)}` })
const xi = A_B_inverse.apply(e_h).neg()
stepResult_xi = xi
const I_x = activeIndices(input, x)
comments.push({
type: 'formula',
content: [
// prettier-ignore
`\\xi`,
`-A_B^{-1} u_{B(h)}`,
`${vectorToLatex(xi)}`,
String.raw`I(\bar{x})`,
String.raw`\{ i \in \{1, \dots, m\} \mid A_i \bar{x}_i = b_i \}`,
indexSetToLatex(I_x),
].join(' = '),
})
const N = range(0, A.rows).filter(i => !B.includes(i))
const A_N = A.slice({ rows: N })
const isDegenerate = I_x.length < A_B.rows
const isDualAdmissible = y_B.getData().every(y => y.geq(RationalField.zero))
const isDualDegenerate = y_B.getData().some(y => y.eq(RationalField.zero))
const A_N__xi = A_N.apply(xi)
comments.push({
type: 'text',
content: `La soluzione primale è *${isAdmissible ? 'ammissibile' : 'non ammissibile'}* e *${
isDegenerate ? 'degenere' : 'non degenere'
}*.`,
})
comments.push({
type: 'formula',
content: [
[`N = \\{1, \\dots, m\\} \\setminus B = ${indexSetToLatex(N)}`],
[`A_N \\xi`, `${matrixToLatex(A_N)} ${vectorToLatex(xi)}`, `${vectorToLatex(A_N__xi)}`].join(' = '),
].join(' \\qquad '),
type: 'text',
content: `La soluzione duale è *${isDualAdmissible ? 'ammissibile' : 'non ammissibile'}* e *${
isDualDegenerate ? 'degenere' : 'non degenere'
}*.`,
})
if (!A_N__xi.getData().every(x => x.leq(RationalField.zero))) {
const [k, lambda] = N.filter(i => A_N__xi.at(A_N.forwardRowIndices[i]).gt(RationalField.zero))
.map<[number, Rational]>(i => [i, b.at(i).sub(A.rowAt(i).dot(x)).div(A.rowAt(i).dot(xi))])
.reduce(([i1, lambda1], [i2, lambda2]) => (lambda1.lt(lambda2) ? [i1, lambda1] : [i2, lambda2]))
if (!isDualAdmissible) {
const h = Math.min(...y.getData().flatMap((y, i) => (y.lt(RationalField.zero) ? [i] : [])))
comments.push({
type: 'formula',
content: [
`\\bar\\lambda`,
`\\min_i \\left\\{ \\frac{b_i - A_i \\bar{x}}{A_i \\xi} \\; \\middle| \\; i \\in N, A_i \\xi > 0 \\right\\}`,
`${lambda}`,
// prettier-ignore
`h`,
String.raw`\min \{ i \in B \mid \bar{y}_i < 0 \}`,
`${h + 1}`,
].join(' = '),
})
const e_h = Vector.oneHot(RationalField, A.rows, h).slice(B)
console.log(e_h)
const xi = A_B_inverse.apply(e_h).neg()
stepResult_xi = xi
comments.push({
type: 'formula',
content: [
`k`,
`\\argmin_i \\left\\{ \\bar\\lambda_i \\; \\middle| \\; i \\in N, A_i \\xi > 0 \\right\\}`,
`${k + 1}`,
// prettier-ignore
`\\xi`,
`-A_B^{-1} u_{B(h)}`,
`${vectorToLatex(xi)}`,
].join(' = '),
})
const N = range(0, A.rows).filter(i => !B.includes(i))
const A_N = A.slice({ rows: N })
const A_N__xi = A_N.apply(xi)
comments.push({
type: 'formula',
content: [
`B'`,
`B \\setminus \\{h + 1\\} \\cup \\{k + 1\\}`,
`${indexSetToLatex([...B.filter(i => i !== h), k].toSorted())}`,
].join(' = '),
[`N = \\{1, \\dots, m\\} \\setminus B = ${indexSetToLatex(N)}`],
[`A_N \\xi`, `${matrixToLatex(A_N)} ${vectorToLatex(xi)}`, `${vectorToLatex(A_N__xi)}`].join(
' = '
),
].join(' \\qquad '),
})
stepResult_B = [...B.filter(i => i !== h), k].toSorted()
if (!A_N__xi.getData().every(x => x.leq(RationalField.zero))) {
const [k, lambda] = N.filter(i => A_N__xi.at(A_N.forwardRowIndices[i]).gt(RationalField.zero))
.map<[number, Rational]>(i => [i, b.at(i).sub(A.rowAt(i).dot(x)).div(A.rowAt(i).dot(xi))])
.reduce(([i1, lambda1], [i2, lambda2]) => (lambda1.lt(lambda2) ? [i1, lambda1] : [i2, lambda2]))
comments.push({
type: 'formula',
content: [
`\\bar\\lambda`,
`\\min_i \\left\\{ \\frac{b_i - A_i \\bar{x}}{A_i \\xi} \\; \\middle| \\; i \\in N, A_i \\xi > 0 \\right\\}`,
`${lambda}`,
].join(' = '),
})
comments.push({
type: 'formula',
content: [
`k`,
`\\argmin_i \\left\\{ \\bar\\lambda_i \\; \\middle| \\; i \\in N, A_i \\xi > 0 \\right\\}`,
`${k + 1}`,
].join(' = '),
})
comments.push({
type: 'formula',
content: [
`B'`,
`B \\setminus \\{${h + 1}\\} \\cup \\{${k + 1}\\}`,
`${indexSetToLatex([...B.filter(i => i !== h), k].toSorted())}`,
].join(' = '),
})
stepResult_B = [...B.filter(i => i !== h), k].toSorted()
} else {
comments.push({ type: 'text', content: 'La soluzione è *illimitata*' })
status = { result: 'unbounded', xi }
}
} else {
comments.push({ type: 'text', content: 'La soluzione è *illimitata*' })
status = { result: 'unbounded', xi }
comments.push({ type: 'text', content: 'La soluzione è *ottima*' })
status = { result: 'optimal', x }
}
} else {
comments.push({ type: 'text', content: 'La soluzione è *ottima*' })
status = { result: 'optimal', x }
comments.push({
type: 'formula',
content: [
String.raw`\bar{x}`,
`A_B^{-1} b_B`,
`${matrixToLatex(A_B)}^{-1} ${vectorToLatex(b_B)}`,
`${matrixToLatex(A_B_inverse)} ${vectorToLatex(b_B)}`,
`${vectorToLatex(x)}`,
].join(' = '),
})
comments.push({
type: 'formula',
content:
[
//
`A \\bar{x}`,
`${matrixToLatex(A)} ${vectorToLatex(x)}`,
`${vectorToLatex(A.apply(x))}`,
].join(' = ') + ` \\not\\leq ${vectorToLatex(b)} = b`,
})
comments.push({
type: 'text',
content: 'In questo caso bisogna usare il metodo del *simplesso duale*.',
})
status = { result: 'wrong-starting-basis' }
}
steps.push({

@ -26,6 +26,14 @@ export abstract class Vector<T extends FieldValue<T>> {
return new VectorDense(this.getData().map(v => v.neg()))
}
leq(vector: Vector<T>): boolean {
if (this.size !== vector.size) {
throw new Error('Vector dimensions do not match')
}
return this.getData().every((v, i) => v.leq(vector.at(i)))
}
with(indices: number[], vector: Vector<T>): Vector<T> {
if (indices.length !== vector.size) {
throw new Error('Vector dimensions do not match')

@ -4,6 +4,8 @@ import { parseSafeProblemInput } from './parser-problem'
import { DisplayProblemInput } from './DisplayProblemInput'
import { Primale } from './Primale'
import exampleProblems from './example-problems.json'
const INITIAL_PROBLEM_INPUT = `
c' = 500 200;
@ -37,18 +39,30 @@ const useLocalStorage = <T,>(key: string, initialValue: T) => {
}
const App = () => {
const [currentProblemName, setCurrentProblemName] = useState('Pintel')
const [savedProblems, setSavedProblems] = useLocalStorage<{ name: string; source: string }[]>('savedProblems', [
{ name: 'Pintel', source: INITIAL_PROBLEM_INPUT },
])
const [currentProblemName, setCurrentProblemName] = useLocalStorage(
'ricerca-operativa.currentProblemName',
'Pintel'
)
const [savedProblems, setSavedProblems] = useLocalStorage<{ name: string; source: string }[]>(
'ricerca-operativa.savedProblems',
exampleProblems
)
const [problemInput, setProblemInput] = useState(INITIAL_PROBLEM_INPUT)
const [problemInput, setProblemInput] = useState(
savedProblems.find(p => p.name === currentProblemName)?.source ?? INITIAL_PROBLEM_INPUT
)
const problemValuesResult = parseSafeProblemInput(problemInput)
return (
<>
<h1>Ricerca Operativa / Programmazione Lineare</h1>
<h1>
Ricerca Operativa / Programmazione Lineare
<small>
{' '}
by <a href="aziis98.com">@aziis98</a>
</small>
</h1>
<p>
Questo sito è un progetto per il{' '}
<a href="https://didawiki.cli.di.unipi.it/doku.php/matematica/ro/start">corso di Ricerca Operativa</a>{' '}
@ -113,6 +127,7 @@ const App = () => {
rows={Math.max(problemInput.split('\n').length, 5)}
cols={100}
></textarea>
<h2>Problema di Input</h2>
{'result' in problemValuesResult ? (
<DisplayProblemInput problemInput={problemValuesResult.result} />
@ -122,8 +137,6 @@ const App = () => {
</p>
)}
<h2>Svolgimento</h2>
{'result' in problemValuesResult && <Primale input={problemValuesResult.result} />}
</>
)

@ -26,9 +26,10 @@
h2,
h3,
h4 {
font-weight: 300;
font-weight: 600;
margin: 0;
color: #222;
color: #444;
line-height: 1.25;
}
a {
@ -101,6 +102,11 @@
font-weight: 700;
color: #444;
}
small {
font-size: 0.5em;
font-weight: 400;
}
}
@layer components {
@ -115,8 +121,9 @@
> * {
display: block;
max-width: 900px;
margin: 0.5rem auto;
width: 900px;
max-width: 100%;
margin: 1rem auto;
}
}
@ -144,8 +151,21 @@
border-radius: 1rem;
padding: 2rem;
margin: 2rem auto;
width: 100%;
max-width: fit-content;
> .title {
grid-column: span 2;
text-align: center;
padding-bottom: 1rem;
@media (width < 768px) {
grid-column: span 1;
}
}
> .step {
grid-column: span 2;
@ -157,6 +177,7 @@
gap: 0;
@media (width < 768px) {
grid-column: span 1;
grid-template-columns: 1fr;
}
@ -169,21 +190,46 @@
border-radius: 1rem;
padding: 0 1rem;
> * {
max-width: 100%;
}
> * + * {
margin-top: 0.5rem;
margin-top: 1rem;
}
}
> .geometric-step {
/* padding: 1rem; */
@media (width < 768px) {
min-width: 0;
}
}
> * {
min-width: 30rem;
}
padding: 2rem 0;
&:not(:first-child) {
&:not(:nth-child(1), :nth-child(2)) {
border-top: 1px solid #ddd;
}
@media (width < 768px) {
max-width: 100%;
gap: 1rem;
padding: 1rem 0;
> * {
min-width: 0;
}
}
}
@media (width < 768px) {
grid-template-columns: 1fr;
padding: 1rem 0 0 0;
max-width: 100%;
}
}
}
@ -203,6 +249,34 @@
align-items: center;
}
.scrollable {
display: grid;
> .scroll-content {
display: grid;
}
@media (width < 768px) {
position: relative;
> .scroll-content {
overflow-x: auto;
padding: 1rem;
}
&::after {
content: '';
position: absolute;
top: 0;
right: 0;
bottom: 0;
width: 0.5rem;
background: linear-gradient(to left, #0003, #0000);
border-radius: 0.25rem;
}
}
}
.flex-row {
display: flex;
flex-direction: row;
@ -212,5 +286,17 @@
> .spacer {
flex-grow: 1;
}
@media (width < 768px) {
flex-wrap: wrap;
}
}
.text-center {
text-align: center;
}
}
.katex-display {
margin: 0 !important;
}

5
src/vite.d.ts vendored

@ -2,3 +2,8 @@ declare module '*.css' {
const classes: { readonly [key: string]: string }
export default classes
}
declare module '*.json' {
const value: any
export default value
}

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